RHSA-2026:25120

Vulnerability from csaf_redhat - Published: 2026-06-10 20:09 - Updated: 2026-06-10 21:22
Summary
Red Hat Security Advisory: kernel-rt security update
Severity
Critical
Notes
Topic: An update for kernel-rt is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Critical. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details: The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fix(es): * kernel: geneve: Fix use-after-free in geneve_find_dev(). (CVE-2025-21858) * kernel: smc: Fix use-after-free in tcp_write_timer_handler() (CVE-2023-53781) * kernel: nbd: defer config unlock in nbd_genl_connect (CVE-2025-68366) * kernel: libceph: prevent potential out-of-bounds reads in handle_auth_done() (CVE-2026-22984) * kernel: libceph: replace overzealous BUG_ON in osdmap_apply_incremental() (CVE-2026-22990) * kernel: netfilter: nf_tables: release flowtable after rcu grace period on error (CVE-2026-23392) * kernel: ALSA: 6fire: fix use-after-free on disconnect (CVE-2026-31581) * kernel: smb: client: fix OOB reads parsing symlink error response (CVE-2026-31613) * kernel: ip6_tunnel: clear skb2->cb[] in ip4ip6_err() (CVE-2026-43037) * kernel: ipv6: icmp: clear skb2->cb[] in ip6_err_gen_icmpv6_unreach() (CVE-2026-43038) * kernel: dlm: validate length in dlm_search_rsb_tree (CVE-2026-43125) * kernel: RDMA/rxe: Fix double free in rxe_srq_from_init (CVE-2026-45852) * kernel: RDMA/mlx4: Fix mis-use of RCU in mlx4_srq_event() (CVE-2026-46181) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
CVE-2023-53781

In the Linux kernel, the following vulnerability has been resolved: smc: Fix use-after-free in tcp_write_timer_handler(). With Eric's ref tracker, syzbot finally found a repro for use-after-free in tcp_write_timer_handler() by kernel TCP sockets. [0] If SMC creates a kernel socket in __smc_create(), the kernel socket is supposed to be freed in smc_clcsock_release() by calling sock_release() when we close() the parent SMC socket. However, at the end of smc_clcsock_release(), the kernel socket's sk_state might not be TCP_CLOSE. This means that we have not called inet_csk_destroy_sock() in __tcp_close() and have not stopped the TCP timers. The kernel socket's TCP timers can be fired later, so we need to hold a refcnt for net as we do for MPTCP subflows in mptcp_subflow_create_socket(). [0]: leaked reference. sk_alloc (./include/net/net_namespace.h:335 net/core/sock.c:2108) inet_create (net/ipv4/af_inet.c:319 net/ipv4/af_inet.c:244) __sock_create (net/socket.c:1546) smc_create (net/smc/af_smc.c:3269 net/smc/af_smc.c:3284) __sock_create (net/socket.c:1546) __sys_socket (net/socket.c:1634 net/socket.c:1618 net/socket.c:1661) __x64_sys_socket (net/socket.c:1672) do_syscall_64 (arch/x86/entry/common.c:50 arch/x86/entry/common.c:80) entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:120) ================================================================== BUG: KASAN: slab-use-after-free in tcp_write_timer_handler (net/ipv4/tcp_timer.c:378 net/ipv4/tcp_timer.c:624 net/ipv4/tcp_timer.c:594) Read of size 1 at addr ffff888052b65e0d by task syzrepro/18091 CPU: 0 PID: 18091 Comm: syzrepro Tainted: G W 6.3.0-rc4-01174-gb5d54eb5899a #7 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.0-1.amzn2022.0.1 04/01/2014 Call Trace: <IRQ> dump_stack_lvl (lib/dump_stack.c:107) print_report (mm/kasan/report.c:320 mm/kasan/report.c:430) kasan_report (mm/kasan/report.c:538) tcp_write_timer_handler (net/ipv4/tcp_timer.c:378 net/ipv4/tcp_timer.c:624 net/ipv4/tcp_timer.c:594) tcp_write_timer (./include/linux/spinlock.h:390 net/ipv4/tcp_timer.c:643) call_timer_fn (./arch/x86/include/asm/jump_label.h:27 ./include/linux/jump_label.h:207 ./include/trace/events/timer.h:127 kernel/time/timer.c:1701) __run_timers.part.0 (kernel/time/timer.c:1752 kernel/time/timer.c:2022) run_timer_softirq (kernel/time/timer.c:2037) __do_softirq (./arch/x86/include/asm/jump_label.h:27 ./include/linux/jump_label.h:207 ./include/trace/events/irq.h:142 kernel/softirq.c:572) __irq_exit_rcu (kernel/softirq.c:445 kernel/softirq.c:650) irq_exit_rcu (kernel/softirq.c:664) sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1107 (discriminator 14)) </IRQ>

7.3 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H
CWE-825 - Expired Pointer Dereference
Affected products
Product Identifier Version Remediation
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-0:4.18.0-553.132.1.rt7.473.el8_10.src —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-core-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-core-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-debuginfo-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-devel-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-kvm-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-modules-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-modules-extra-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debuginfo-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debuginfo-common-x86_64-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-devel-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-kvm-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-modules-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-modules-extra-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-0:4.18.0-553.132.1.rt7.473.el8_10.src —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-core-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-core-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-debuginfo-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-devel-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-kvm-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-modules-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-modules-extra-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debuginfo-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debuginfo-common-x86_64-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-devel-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-kvm-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-modules-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-modules-extra-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Threats
Impact Moderate
CVE-2025-21858

A use-after-free vulnerability exists in the Linux kernel. When dev_net is dismantled, the geneve_exit_batch_rtnl() function calls unregister_netdevice_queue() for each device in the network namespace. Later, when the device is freed, it is still linked to the backend UDP socket in the network namespace.

7.3 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H
CWE-416 - Use After Free
Affected products
Product Identifier Version Remediation
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-0:4.18.0-553.132.1.rt7.473.el8_10.src —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-core-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-core-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-debuginfo-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-devel-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-kvm-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-modules-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-modules-extra-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debuginfo-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debuginfo-common-x86_64-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-devel-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-kvm-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-modules-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-modules-extra-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-0:4.18.0-553.132.1.rt7.473.el8_10.src —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-core-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-core-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-debuginfo-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-devel-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-kvm-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-modules-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-modules-extra-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debuginfo-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debuginfo-common-x86_64-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-devel-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-kvm-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-modules-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-modules-extra-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Threats
Impact Moderate
CVE-2025-68366

In the Linux kernel, the following vulnerability has been resolved: nbd: defer config unlock in nbd_genl_connect There is one use-after-free warning when running NBD_CMD_CONNECT and NBD_CLEAR_SOCK: nbd_genl_connect nbd_alloc_and_init_config // config_refs=1 nbd_start_device // config_refs=2 set NBD_RT_HAS_CONFIG_REF open nbd // config_refs=3 recv_work done // config_refs=2 NBD_CLEAR_SOCK // config_refs=1 close nbd // config_refs=0 refcount_inc -> uaf ------------[ cut here ]------------ refcount_t: addition on 0; use-after-free. WARNING: CPU: 24 PID: 1014 at lib/refcount.c:25 refcount_warn_saturate+0x12e/0x290 nbd_genl_connect+0x16d0/0x1ab0 genl_family_rcv_msg_doit+0x1f3/0x310 genl_rcv_msg+0x44a/0x790 The issue can be easily reproduced by adding a small delay before refcount_inc(&nbd->config_refs) in nbd_genl_connect(): mutex_unlock(&nbd->config_lock); if (!ret) { set_bit(NBD_RT_HAS_CONFIG_REF, &config->runtime_flags); + printk("before sleep\n"); + mdelay(5 * 1000); + printk("after sleep\n"); refcount_inc(&nbd->config_refs); nbd_connect_reply(info, nbd->index); }

7.1 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
CWE-911 - Improper Update of Reference Count
Affected products
Product Identifier Version Remediation
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-0:4.18.0-553.132.1.rt7.473.el8_10.src —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-core-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-core-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-debuginfo-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-devel-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-kvm-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-modules-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-modules-extra-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debuginfo-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debuginfo-common-x86_64-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-devel-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-kvm-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-modules-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-modules-extra-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-0:4.18.0-553.132.1.rt7.473.el8_10.src —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-core-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-core-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-debuginfo-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-devel-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-kvm-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-modules-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-modules-extra-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debuginfo-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debuginfo-common-x86_64-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-devel-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-kvm-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-modules-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-modules-extra-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Threats
Impact Moderate
CVE-2026-22984

In the Linux kernel, the following vulnerability has been resolved: libceph: prevent potential out-of-bounds reads in handle_auth_done() Perform an explicit bounds check on payload_len to avoid a possible out-of-bounds access in the callout. [ idryomov: changelog ]

7.1 (High)
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
Affected products
Product Identifier Version Remediation
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-0:4.18.0-553.132.1.rt7.473.el8_10.src —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-core-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-core-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-debuginfo-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-devel-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-kvm-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-modules-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-modules-extra-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debuginfo-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debuginfo-common-x86_64-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-devel-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-kvm-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-modules-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-modules-extra-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-0:4.18.0-553.132.1.rt7.473.el8_10.src —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-core-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-core-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-debuginfo-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-devel-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-kvm-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-modules-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-modules-extra-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debuginfo-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debuginfo-common-x86_64-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-devel-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-kvm-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-modules-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-modules-extra-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Threats
Impact Moderate
CVE-2026-22990

In the Linux kernel, the following vulnerability has been resolved: libceph: replace overzealous BUG_ON in osdmap_apply_incremental() If the osdmap is (maliciously) corrupted such that the incremental osdmap epoch is different from what is expected, there is no need to BUG. Instead, just declare the incremental osdmap to be invalid.

7.1 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H
CWE-617 - Reachable Assertion
Affected products
Product Identifier Version Remediation
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-0:4.18.0-553.132.1.rt7.473.el8_10.src —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-core-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-core-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-debuginfo-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-devel-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-kvm-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-modules-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-modules-extra-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debuginfo-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debuginfo-common-x86_64-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-devel-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-kvm-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-modules-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-modules-extra-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-0:4.18.0-553.132.1.rt7.473.el8_10.src —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-core-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-core-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-debuginfo-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-devel-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-kvm-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-modules-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-modules-extra-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debuginfo-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debuginfo-common-x86_64-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-devel-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-kvm-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-modules-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-modules-extra-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Threats
Impact Moderate
CVE-2026-23392

A flaw was found in the Linux kernel's netfilter component, specifically within the nf_tables subsystem. An error in releasing a flowtable after an RCU (Read-Copy-Update) grace period could lead to a use-after-free vulnerability. This issue could expose the flowtable to the packet path and nfnetlink_hook control plane, potentially allowing a local attacker to cause a system crash (Denial of Service) or achieve arbitrary code execution.

7.0 (High)
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE-825 - Expired Pointer Dereference
Affected products
Product Identifier Version Remediation
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-0:4.18.0-553.132.1.rt7.473.el8_10.src —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-core-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-core-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-debuginfo-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-devel-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-kvm-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-modules-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-modules-extra-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debuginfo-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debuginfo-common-x86_64-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-devel-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-kvm-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-modules-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-modules-extra-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-0:4.18.0-553.132.1.rt7.473.el8_10.src —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-core-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-core-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-debuginfo-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-devel-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-kvm-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-modules-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-modules-extra-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debuginfo-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debuginfo-common-x86_64-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-devel-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-kvm-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-modules-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-modules-extra-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Threats
Impact Moderate
CVE-2026-31581

A flaw was found in the Linux kernel's ALSA 6fire USB audio device driver. During the disconnection process of a 6fire USB audio device, a use-after-free vulnerability occurs. This happens when the system attempts to write to memory that has already been deallocated, which can lead to memory corruption and potentially cause system instability or a denial of service.

6.3 (Medium)
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H
CWE-825 - Expired Pointer Dereference
Affected products
Product Identifier Version Remediation
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-0:4.18.0-553.132.1.rt7.473.el8_10.src —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-core-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-core-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-debuginfo-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-devel-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-kvm-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-modules-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-modules-extra-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debuginfo-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debuginfo-common-x86_64-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-devel-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-kvm-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-modules-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-modules-extra-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-0:4.18.0-553.132.1.rt7.473.el8_10.src —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-core-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-core-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-debuginfo-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-devel-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-kvm-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-modules-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-modules-extra-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debuginfo-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debuginfo-common-x86_64-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-devel-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-kvm-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-modules-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-modules-extra-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Threats
Impact Moderate
CVE-2026-31613

A flaw was found in the Linux kernel's Server Message Block (SMB) client. A remote, untrusted server could send a specially crafted symlink error response, leading to an out-of-bounds read vulnerability. This could result in the disclosure of sensitive information from the kernel's memory to a local user through the readlink(2) system call.

7.1 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
CWE-125 - Out-of-bounds Read
Affected products
Product Identifier Version Remediation
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-0:4.18.0-553.132.1.rt7.473.el8_10.src —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-core-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-core-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-debuginfo-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-devel-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-kvm-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-modules-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-modules-extra-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debuginfo-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debuginfo-common-x86_64-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-devel-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-kvm-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-modules-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-modules-extra-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-0:4.18.0-553.132.1.rt7.473.el8_10.src —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-core-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-core-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-debuginfo-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-devel-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-kvm-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-modules-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-modules-extra-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debuginfo-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debuginfo-common-x86_64-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-devel-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-kvm-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-modules-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-modules-extra-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Threats
Impact Moderate
CVE-2026-43037

A flaw was found in the Linux kernel's IPv6 tunnel implementation. A remote attacker could exploit this flaw by sending malicious ICMPv6 error messages to cause a stack-based buffer overflow in the kernel's IPv4-over-IPv6 tunnel error handling code. This could result in a kernel crash (denial of service) or potentially allow arbitrary code execution with kernel privileges.

8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE-843 - Access of Resource Using Incompatible Type ('Type Confusion')
Affected products
Product Identifier Version Remediation
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-0:4.18.0-553.132.1.rt7.473.el8_10.src —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-core-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-core-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-debuginfo-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-devel-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-kvm-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-modules-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-modules-extra-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debuginfo-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debuginfo-common-x86_64-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-devel-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-kvm-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-modules-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-modules-extra-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-0:4.18.0-553.132.1.rt7.473.el8_10.src —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-core-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-core-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-debuginfo-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-devel-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-kvm-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-modules-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-modules-extra-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debuginfo-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debuginfo-common-x86_64-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-devel-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-kvm-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-modules-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-modules-extra-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Workaround
Threats
Impact Critical
CVE-2026-43038

A flaw was found in the Linux kernel's IPv6 ICMP error generation. A remote attacker could send a specially crafted IPv4 ICMP error packet with a Common Internet Protocol Security Option (CIPSO) IP option. This could lead to incorrect handling of packet control block data when generating an IPv6 ICMP error, potentially causing an out-of-bounds memory access. This memory corruption could result in information disclosure or a denial of service.

7.3 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H
CWE-843 - Access of Resource Using Incompatible Type ('Type Confusion')
Affected products
Product Identifier Version Remediation
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-0:4.18.0-553.132.1.rt7.473.el8_10.src —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-core-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-core-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-debuginfo-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-devel-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-kvm-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-modules-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-modules-extra-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debuginfo-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debuginfo-common-x86_64-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-devel-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-kvm-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-modules-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-modules-extra-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-0:4.18.0-553.132.1.rt7.473.el8_10.src —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-core-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-core-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-debuginfo-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-devel-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-kvm-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-modules-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-modules-extra-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debuginfo-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debuginfo-common-x86_64-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-devel-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-kvm-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-modules-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-modules-extra-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Threats
Impact Important
CVE-2026-43125

A flaw was found in the Linux kernel's Distributed Lock Manager (dlm) module. An attacker could send specially crafted network messages with an oversized length parameter to the dlm_dump_rsb_name() function. This lack of validation can lead to an out-of-bounds write in the dlm_search_rsb_tree() function, potentially causing a buffer overflow. This vulnerability could allow for denial of service or, in some cases, arbitrary code execution.

7.0 (High)
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE-130 - Improper Handling of Length Parameter Inconsistency
Affected products
Product Identifier Version Remediation
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-0:4.18.0-553.132.1.rt7.473.el8_10.src —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-core-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-core-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-debuginfo-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-devel-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-kvm-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-modules-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-modules-extra-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debuginfo-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debuginfo-common-x86_64-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-devel-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-kvm-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-modules-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-modules-extra-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-0:4.18.0-553.132.1.rt7.473.el8_10.src —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-core-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-core-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-debuginfo-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-devel-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-kvm-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-modules-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-modules-extra-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debuginfo-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debuginfo-common-x86_64-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-devel-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-kvm-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-modules-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-modules-extra-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Threats
Impact Important
CVE-2026-45852

A flaw was found in the Linux kernel's Remote Direct Memory Access (RDMA) subsystem, specifically within the `rxe` driver. An error in the `rxe_srq_from_init` function's memory management can lead to a double free vulnerability. This occurs when an attempt to copy data to user space fails, causing the same memory region to be freed twice. A local attacker could potentially exploit this flaw to cause a denial of service (DoS) by crashing the system.

7.0 (High)
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products
Product Identifier Version Remediation
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-0:4.18.0-553.132.1.rt7.473.el8_10.src —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-core-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-core-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-debuginfo-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-devel-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-kvm-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-modules-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-modules-extra-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debuginfo-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debuginfo-common-x86_64-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-devel-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-kvm-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-modules-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-modules-extra-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-0:4.18.0-553.132.1.rt7.473.el8_10.src —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-core-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-core-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-debuginfo-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-devel-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-kvm-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-modules-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-modules-extra-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debuginfo-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debuginfo-common-x86_64-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-devel-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-kvm-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-modules-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-modules-extra-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Threats
Impact Important
CVE-2026-46181

A flaw was found in the Linux kernel's RDMA/mlx4 component. This vulnerability arises from the incorrect use of Read-Copy Update (RCU) in the `mlx4_srq_event()` function. An attacker could potentially trigger an event before the `srq` object is fully initialized, leading to a system crash. This could result in a Denial of Service (DoS) for the affected system.

7.0 (High)
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE-366 - Race Condition within a Thread
Affected products
Product Identifier Version Remediation
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-0:4.18.0-553.132.1.rt7.473.el8_10.src —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-core-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-core-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-debuginfo-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-devel-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-kvm-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-modules-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-modules-extra-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debuginfo-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debuginfo-common-x86_64-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-devel-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-kvm-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-modules-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-modules-extra-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-0:4.18.0-553.132.1.rt7.473.el8_10.src —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-core-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-core-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-debuginfo-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-devel-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-kvm-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-modules-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-modules-extra-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debuginfo-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debuginfo-common-x86_64-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-devel-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-kvm-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-modules-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-modules-extra-0:4.18.0-553.132.1.rt7.473.el8_10.x86_64 —
Vendor Fix fix
Threats
Impact Important
References
URL Category
https://access.redhat.com/errata/RHSA-2026:25120 self
https://access.redhat.com/security/updates/classi… external
https://bugzilla.redhat.com/show_bug.cgi?id=2351619 external
https://bugzilla.redhat.com/show_bug.cgi?id=2420279 external
https://bugzilla.redhat.com/show_bug.cgi?id=2424881 external
https://bugzilla.redhat.com/show_bug.cgi?id=2432389 external
https://bugzilla.redhat.com/show_bug.cgi?id=2432400 external
https://bugzilla.redhat.com/show_bug.cgi?id=2451218 external
https://bugzilla.redhat.com/show_bug.cgi?id=2461471 external
https://bugzilla.redhat.com/show_bug.cgi?id=2461480 external
https://bugzilla.redhat.com/show_bug.cgi?id=2464351 external
https://bugzilla.redhat.com/show_bug.cgi?id=2464397 external
https://bugzilla.redhat.com/show_bug.cgi?id=2467234 external
https://bugzilla.redhat.com/show_bug.cgi?id=2482166 external
https://bugzilla.redhat.com/show_bug.cgi?id=2482532 external
https://security.access.redhat.com/data/csaf/v2/a… self
https://access.redhat.com/security/cve/CVE-2023-53781 self
https://bugzilla.redhat.com/show_bug.cgi?id=2420279 external
https://www.cve.org/CVERecord?id=CVE-2023-53781 external
https://nvd.nist.gov/vuln/detail/CVE-2023-53781 external
https://lore.kernel.org/linux-cve-announce/202512… external
https://access.redhat.com/security/cve/CVE-2025-21858 self
https://bugzilla.redhat.com/show_bug.cgi?id=2351619 external
https://www.cve.org/CVERecord?id=CVE-2025-21858 external
https://nvd.nist.gov/vuln/detail/CVE-2025-21858 external
https://lore.kernel.org/linux-cve-announce/202503… external
https://access.redhat.com/security/cve/CVE-2025-68366 self
https://bugzilla.redhat.com/show_bug.cgi?id=2424881 external
https://www.cve.org/CVERecord?id=CVE-2025-68366 external
https://nvd.nist.gov/vuln/detail/CVE-2025-68366 external
https://lore.kernel.org/linux-cve-announce/202512… external
https://access.redhat.com/security/cve/CVE-2026-22984 self
https://bugzilla.redhat.com/show_bug.cgi?id=2432389 external
https://www.cve.org/CVERecord?id=CVE-2026-22984 external
https://nvd.nist.gov/vuln/detail/CVE-2026-22984 external
https://lore.kernel.org/linux-cve-announce/202601… external
https://access.redhat.com/security/cve/CVE-2026-22990 self
https://bugzilla.redhat.com/show_bug.cgi?id=2432400 external
https://www.cve.org/CVERecord?id=CVE-2026-22990 external
https://nvd.nist.gov/vuln/detail/CVE-2026-22990 external
https://lore.kernel.org/linux-cve-announce/202601… external
https://access.redhat.com/security/cve/CVE-2026-23392 self
https://bugzilla.redhat.com/show_bug.cgi?id=2451218 external
https://www.cve.org/CVERecord?id=CVE-2026-23392 external
https://nvd.nist.gov/vuln/detail/CVE-2026-23392 external
https://lore.kernel.org/linux-cve-announce/202603… external
https://access.redhat.com/security/cve/CVE-2026-31581 self
https://bugzilla.redhat.com/show_bug.cgi?id=2461471 external
https://www.cve.org/CVERecord?id=CVE-2026-31581 external
https://nvd.nist.gov/vuln/detail/CVE-2026-31581 external
https://lore.kernel.org/linux-cve-announce/202604… external
https://access.redhat.com/security/cve/CVE-2026-31613 self
https://bugzilla.redhat.com/show_bug.cgi?id=2461480 external
https://www.cve.org/CVERecord?id=CVE-2026-31613 external
https://nvd.nist.gov/vuln/detail/CVE-2026-31613 external
https://lore.kernel.org/linux-cve-announce/202604… external
https://access.redhat.com/security/cve/CVE-2026-43037 self
https://bugzilla.redhat.com/show_bug.cgi?id=2464351 external
https://www.cve.org/CVERecord?id=CVE-2026-43037 external
https://nvd.nist.gov/vuln/detail/CVE-2026-43037 external
https://lore.kernel.org/linux-cve-announce/202605… external
https://access.redhat.com/security/cve/CVE-2026-43038 self
https://bugzilla.redhat.com/show_bug.cgi?id=2464397 external
https://www.cve.org/CVERecord?id=CVE-2026-43038 external
https://nvd.nist.gov/vuln/detail/CVE-2026-43038 external
https://lore.kernel.org/linux-cve-announce/202605… external
https://access.redhat.com/security/cve/CVE-2026-43125 self
https://bugzilla.redhat.com/show_bug.cgi?id=2467234 external
https://www.cve.org/CVERecord?id=CVE-2026-43125 external
https://nvd.nist.gov/vuln/detail/CVE-2026-43125 external
https://lore.kernel.org/linux-cve-announce/202605… external
https://access.redhat.com/security/cve/CVE-2026-45852 self
https://bugzilla.redhat.com/show_bug.cgi?id=2482166 external
https://www.cve.org/CVERecord?id=CVE-2026-45852 external
https://nvd.nist.gov/vuln/detail/CVE-2026-45852 external
https://lore.kernel.org/linux-cve-announce/202605… external
https://access.redhat.com/security/cve/CVE-2026-46181 self
https://bugzilla.redhat.com/show_bug.cgi?id=2482532 external
https://www.cve.org/CVERecord?id=CVE-2026-46181 external
https://nvd.nist.gov/vuln/detail/CVE-2026-46181 external
https://lore.kernel.org/linux-cve-announce/202605… external
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          "text": "In the Linux kernel, the following vulnerability has been resolved:\n\nsmc: Fix use-after-free in tcp_write_timer_handler().\n\nWith Eric\u0027s ref tracker, syzbot finally found a repro for\nuse-after-free in tcp_write_timer_handler() by kernel TCP\nsockets. [0]\n\nIf SMC creates a kernel socket in __smc_create(), the kernel\nsocket is supposed to be freed in smc_clcsock_release() by\ncalling sock_release() when we close() the parent SMC socket.\n\nHowever, at the end of smc_clcsock_release(), the kernel\nsocket\u0027s sk_state might not be TCP_CLOSE.  This means that\nwe have not called inet_csk_destroy_sock() in __tcp_close()\nand have not stopped the TCP timers.\n\nThe kernel socket\u0027s TCP timers can be fired later, so we\nneed to hold a refcnt for net as we do for MPTCP subflows\nin mptcp_subflow_create_socket().\n\n[0]:\nleaked reference.\n sk_alloc (./include/net/net_namespace.h:335 net/core/sock.c:2108)\n inet_create (net/ipv4/af_inet.c:319 net/ipv4/af_inet.c:244)\n __sock_create (net/socket.c:1546)\n smc_create (net/smc/af_smc.c:3269 net/smc/af_smc.c:3284)\n __sock_create (net/socket.c:1546)\n __sys_socket (net/socket.c:1634 net/socket.c:1618 net/socket.c:1661)\n __x64_sys_socket (net/socket.c:1672)\n do_syscall_64 (arch/x86/entry/common.c:50 arch/x86/entry/common.c:80)\n entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:120)\n==================================================================\nBUG: KASAN: slab-use-after-free in tcp_write_timer_handler (net/ipv4/tcp_timer.c:378 net/ipv4/tcp_timer.c:624 net/ipv4/tcp_timer.c:594)\nRead of size 1 at addr ffff888052b65e0d by task syzrepro/18091\n\nCPU: 0 PID: 18091 Comm: syzrepro Tainted: G        W          6.3.0-rc4-01174-gb5d54eb5899a #7\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.0-1.amzn2022.0.1 04/01/2014\nCall Trace:\n \u003cIRQ\u003e\n dump_stack_lvl (lib/dump_stack.c:107)\n print_report (mm/kasan/report.c:320 mm/kasan/report.c:430)\n kasan_report (mm/kasan/report.c:538)\n tcp_write_timer_handler (net/ipv4/tcp_timer.c:378 net/ipv4/tcp_timer.c:624 net/ipv4/tcp_timer.c:594)\n tcp_write_timer (./include/linux/spinlock.h:390 net/ipv4/tcp_timer.c:643)\n call_timer_fn (./arch/x86/include/asm/jump_label.h:27 ./include/linux/jump_label.h:207 ./include/trace/events/timer.h:127 kernel/time/timer.c:1701)\n __run_timers.part.0 (kernel/time/timer.c:1752 kernel/time/timer.c:2022)\n run_timer_softirq (kernel/time/timer.c:2037)\n __do_softirq (./arch/x86/include/asm/jump_label.h:27 ./include/linux/jump_label.h:207 ./include/trace/events/irq.h:142 kernel/softirq.c:572)\n __irq_exit_rcu (kernel/softirq.c:445 kernel/softirq.c:650)\n irq_exit_rcu (kernel/softirq.c:664)\n sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1107 (discriminator 14))\n \u003c/IRQ\u003e",
          "title": "Vulnerability description"
        },
        {
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          "text": "kernel: smc: Fix use-after-free in tcp_write_timer_handler()",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
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          "summary": "Canonical URL",
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      "title": "kernel: smc: Fix use-after-free in tcp_write_timer_handler()"
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    {
      "cve": "CVE-2025-21858",
      "cwe": {
        "id": "CWE-416",
        "name": "Use After Free"
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      "ids": [
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          "text": "A use-after-free vulnerability exists in the Linux kernel. When dev_net is dismantled, the geneve_exit_batch_rtnl() function calls unregister_netdevice_queue() for each device in the network namespace. Later, when the device is freed, it is still linked to the backend UDP socket in the network namespace.",
          "title": "Vulnerability description"
        },
        {
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          "text": "kernel: geneve: Fix use-after-free in geneve_find_dev().",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
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          "text": "In the Linux kernel, the following vulnerability has been resolved:\n\nnbd: defer config unlock in nbd_genl_connect\n\nThere is one use-after-free warning when running NBD_CMD_CONNECT and\nNBD_CLEAR_SOCK:\n\nnbd_genl_connect\n  nbd_alloc_and_init_config // config_refs=1\n  nbd_start_device // config_refs=2\n  set NBD_RT_HAS_CONFIG_REF\t\t\topen nbd // config_refs=3\n  recv_work done // config_refs=2\n\t\t\t\t\t\tNBD_CLEAR_SOCK // config_refs=1\n\t\t\t\t\t\tclose nbd // config_refs=0\n  refcount_inc -\u003e uaf\n\n------------[ cut here ]------------\nrefcount_t: addition on 0; use-after-free.\nWARNING: CPU: 24 PID: 1014 at lib/refcount.c:25 refcount_warn_saturate+0x12e/0x290\n nbd_genl_connect+0x16d0/0x1ab0\n genl_family_rcv_msg_doit+0x1f3/0x310\n genl_rcv_msg+0x44a/0x790\n\nThe issue can be easily reproduced by adding a small delay before\nrefcount_inc(\u0026nbd-\u003econfig_refs) in nbd_genl_connect():\n\n        mutex_unlock(\u0026nbd-\u003econfig_lock);\n        if (!ret) {\n                set_bit(NBD_RT_HAS_CONFIG_REF, \u0026config-\u003eruntime_flags);\n+               printk(\"before sleep\\n\");\n+               mdelay(5 * 1000);\n+               printk(\"after sleep\\n\");\n                refcount_inc(\u0026nbd-\u003econfig_refs);\n                nbd_connect_reply(info, nbd-\u003eindex);\n        }",
          "title": "Vulnerability description"
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          "text": "kernel: nbd: defer config unlock in nbd_genl_connect",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
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          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2025-68366"
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        {
          "category": "external",
          "summary": "RHBZ#2424881",
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          "url": "https://www.cve.org/CVERecord?id=CVE-2025-68366"
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          "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-68366"
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          "summary": "https://lore.kernel.org/linux-cve-announce/2025122459-CVE-2025-68366-b367@gregkh/T",
          "url": "https://lore.kernel.org/linux-cve-announce/2025122459-CVE-2025-68366-b367@gregkh/T"
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          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nThe system must be rebooted for this update to take effect.",
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    {
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      "discovery_date": "2026-01-23T00:00:00+00:00",
      "ids": [
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          "text": "In the Linux kernel, the following vulnerability has been resolved:\n\nlibceph: prevent potential out-of-bounds reads in handle_auth_done()\n\nPerform an explicit bounds check on payload_len to avoid a possible\nout-of-bounds access in the callout.\n\n[ idryomov: changelog ]",
          "title": "Vulnerability description"
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          "text": "kernel: libceph: prevent potential out-of-bounds reads in handle_auth_done()",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "An out-of-bounds read can occur in libceph messenger v2 during AUTH_DONE handling when payload_len is taken from the wire but the message buffer is not validated to actually contain that many bytes. A malicious or compromised Ceph peer can send a truncated message to reliably crash the kernel (network-triggered DoS).",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
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          "title": "Vulnerability description"
        },
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          "text": "kernel: libceph: replace overzealous BUG_ON in osdmap_apply_incremental()",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This is a reachable kernel BUG triggered by malformed (or maliciously corrupted) Ceph incremental OSD map data: an unexpected epoch value could hit a BUG_ON() and panic the kernel. The trigger is received over the Ceph protocol in established Ceph sessions (i.e., within the trusted/authorized cluster communication model), but it breaks that model by allowing a peer to cause a hard host crash.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
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          "category": "self",
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          "text": "A flaw was found in the Linux kernel\u0027s IPv6 ICMP error generation. A remote attacker could send a specially crafted IPv4 ICMP error packet with a Common Internet Protocol Security Option (CIPSO) IP option. This could lead to incorrect handling of packet control block data when generating an IPv6 ICMP error, potentially causing an out-of-bounds memory access. This memory corruption could result in information disclosure or a denial of service.",
          "title": "Vulnerability description"
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        {
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          "text": "kernel: ipv6: icmp: clear skb2-\u003ecb[] in ip6_err_gen_icmpv6_unreach()",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
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        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "kernel: RDMA/mlx4: Fix mis-use of RCU in mlx4_srq_event()"
    }
  ]
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.