RHSA-2026:92997
Vulnerability from csaf_redhat - Published: 2026-10-30 07:39 - Updated: 2026-10-30 18:42Summary
Red Hat Security Advisory: kernel security update
Severity
Important
Notes
Topic: An update for kernel is now available for Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions and Red Hat Enterprise Linux 8.8 Telecommunications Update Service.
Red Hat Product Security has rated this update as having a security impact of Important. 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 packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
* kernel: Linux kernel: Denial of Service in qla2xxx SCSI driver due to improper command handling after chip reset (CVE-2025-68745)
* kernel: ALSA: 6fire: fix use-after-free on disconnect (CVE-2026-31581)
* kernel: crypto: pcrypt - Fix handling of MAY_BACKLOG requests (CVE-2026-43493)
* kernel: net: bridge: use a stable FDB dst snapshot in RCU readers (CVE-2026-46086)
* kernel: procfs: fix missing RCU protection when reading real_parent in do_task_stat() (CVE-2026-46259)
* kernel: crypto: af_alg - Cap AEAD AD length to 0x80000000 (CVE-2026-52972)
* kernel: mac802154: llsec: add skb_cow_data() before in-place crypto (CVE-2026-63831)
* kernel: selinux: check connect-related permissions on TCP Fast Open (CVE-2026-72243)
* kernel: ALSA: usx2y: bound the hwdep mmap fault offset (CVE-2026-74641)
* kernel: scsi: qla2xxx: Bound rsp_info_len to avoid OOB sense-data read (CVE-2026-89846)
* kernel: kernel: strparser: use-after-free via msg_timer_work rearm after strp_done() cancellation ()
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.
A flaw was found in the Linux kernel's qla2xxx SCSI driver. This vulnerability occurs when commands sent to the firmware (FW) are not properly cleared after a chip reset. A local attacker could exploit a race condition during direct memory access (DMA) unmapping, leading to a kernel panic. This can result in a system crash and a Denial of Service (DoS).
4.7 (Medium)
Affected products
Fixed
72 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: BaseOS-8.8.0.Z.E4S:bpftool-0:4.18.0-477.177.1.el8_8.ppc64le | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:bpftool-0:4.18.0-477.177.1.el8_8.x86_64 | — |
Vendor Fix
fix
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:bpftool-debuginfo-0:4.18.0-477.177.1.el8_8.ppc64le | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:bpftool-debuginfo-0:4.18.0-477.177.1.el8_8.x86_64 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-0:4.18.0-477.177.1.el8_8.ppc64le | — |
Vendor Fix
fix
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-0:4.18.0-477.177.1.el8_8.src | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-0:4.18.0-477.177.1.el8_8.x86_64 | — |
Vendor Fix
fix
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-abi-stablelists-0:4.18.0-477.177.1.el8_8.noarch | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-core-0:4.18.0-477.177.1.el8_8.ppc64le | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-core-0:4.18.0-477.177.1.el8_8.x86_64 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-debug-0:4.18.0-477.177.1.el8_8.ppc64le | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-debug-0:4.18.0-477.177.1.el8_8.x86_64 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-debug-core-0:4.18.0-477.177.1.el8_8.ppc64le | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-debug-core-0:4.18.0-477.177.1.el8_8.x86_64 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-debug-debuginfo-0:4.18.0-477.177.1.el8_8.ppc64le | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-debug-debuginfo-0:4.18.0-477.177.1.el8_8.x86_64 | — |
Vendor Fix
fix
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-debug-devel-0:4.18.0-477.177.1.el8_8.ppc64le | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-debug-devel-0:4.18.0-477.177.1.el8_8.x86_64 | — |
Vendor Fix
fix
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-debug-modules-0:4.18.0-477.177.1.el8_8.ppc64le | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-debug-modules-0:4.18.0-477.177.1.el8_8.x86_64 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-debug-modules-extra-0:4.18.0-477.177.1.el8_8.ppc64le | — |
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fix
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-debug-modules-extra-0:4.18.0-477.177.1.el8_8.x86_64 | — |
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fix
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-debuginfo-0:4.18.0-477.177.1.el8_8.ppc64le | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-debuginfo-0:4.18.0-477.177.1.el8_8.x86_64 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-debuginfo-common-ppc64le-0:4.18.0-477.177.1.el8_8.ppc64le | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-debuginfo-common-x86_64-0:4.18.0-477.177.1.el8_8.x86_64 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-devel-0:4.18.0-477.177.1.el8_8.ppc64le | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-devel-0:4.18.0-477.177.1.el8_8.x86_64 | — |
Vendor Fix
fix
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-doc-0:4.18.0-477.177.1.el8_8.noarch | — |
Vendor Fix
fix
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-modules-0:4.18.0-477.177.1.el8_8.ppc64le | — |
Vendor Fix
fix
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-modules-0:4.18.0-477.177.1.el8_8.x86_64 | — |
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fix
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-modules-extra-0:4.18.0-477.177.1.el8_8.ppc64le | — |
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fix
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-modules-extra-0:4.18.0-477.177.1.el8_8.x86_64 | — |
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fix
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-tools-0:4.18.0-477.177.1.el8_8.ppc64le | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-tools-0:4.18.0-477.177.1.el8_8.x86_64 | — |
Vendor Fix
fix
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-tools-debuginfo-0:4.18.0-477.177.1.el8_8.ppc64le | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-tools-debuginfo-0:4.18.0-477.177.1.el8_8.x86_64 | — |
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fix
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-tools-libs-0:4.18.0-477.177.1.el8_8.ppc64le | — |
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fix
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-tools-libs-0:4.18.0-477.177.1.el8_8.x86_64 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:perf-0:4.18.0-477.177.1.el8_8.ppc64le | — |
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:perf-0:4.18.0-477.177.1.el8_8.x86_64 | — |
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fix
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:perf-debuginfo-0:4.18.0-477.177.1.el8_8.ppc64le | — |
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:perf-debuginfo-0:4.18.0-477.177.1.el8_8.x86_64 | — |
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:python3-perf-0:4.18.0-477.177.1.el8_8.ppc64le | — |
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:python3-perf-0:4.18.0-477.177.1.el8_8.x86_64 | — |
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:python3-perf-debuginfo-0:4.18.0-477.177.1.el8_8.ppc64le | — |
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fix
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:python3-perf-debuginfo-0:4.18.0-477.177.1.el8_8.x86_64 | — |
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fix
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| Unresolved product id: BaseOS-8.8.0.Z.TUS:bpftool-0:4.18.0-477.177.1.el8_8.x86_64 | — |
Vendor Fix
fix
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| Unresolved product id: BaseOS-8.8.0.Z.TUS:bpftool-debuginfo-0:4.18.0-477.177.1.el8_8.x86_64 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: BaseOS-8.8.0.Z.TUS:kernel-0:4.18.0-477.177.1.el8_8.src | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: BaseOS-8.8.0.Z.TUS:kernel-0:4.18.0-477.177.1.el8_8.x86_64 | — |
Vendor Fix
fix
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| Unresolved product id: BaseOS-8.8.0.Z.TUS:kernel-abi-stablelists-0:4.18.0-477.177.1.el8_8.noarch | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: BaseOS-8.8.0.Z.TUS:kernel-core-0:4.18.0-477.177.1.el8_8.x86_64 | — |
Vendor Fix
fix
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| Unresolved product id: BaseOS-8.8.0.Z.TUS:kernel-debug-0:4.18.0-477.177.1.el8_8.x86_64 | — |
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| Unresolved product id: BaseOS-8.8.0.Z.TUS:kernel-debug-core-0:4.18.0-477.177.1.el8_8.x86_64 | — |
Vendor Fix
fix
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| Unresolved product id: BaseOS-8.8.0.Z.TUS:kernel-debug-debuginfo-0:4.18.0-477.177.1.el8_8.x86_64 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: BaseOS-8.8.0.Z.TUS:kernel-debug-devel-0:4.18.0-477.177.1.el8_8.x86_64 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: BaseOS-8.8.0.Z.TUS:kernel-debug-modules-0:4.18.0-477.177.1.el8_8.x86_64 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: BaseOS-8.8.0.Z.TUS:kernel-debug-modules-extra-0:4.18.0-477.177.1.el8_8.x86_64 | — |
Vendor Fix
fix
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| Unresolved product id: BaseOS-8.8.0.Z.TUS:kernel-debuginfo-0:4.18.0-477.177.1.el8_8.x86_64 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: BaseOS-8.8.0.Z.TUS:kernel-debuginfo-common-x86_64-0:4.18.0-477.177.1.el8_8.x86_64 | — |
Vendor Fix
fix
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| Unresolved product id: BaseOS-8.8.0.Z.TUS:kernel-devel-0:4.18.0-477.177.1.el8_8.x86_64 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: BaseOS-8.8.0.Z.TUS:kernel-doc-0:4.18.0-477.177.1.el8_8.noarch | — |
Vendor Fix
fix
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| Unresolved product id: BaseOS-8.8.0.Z.TUS:kernel-modules-0:4.18.0-477.177.1.el8_8.x86_64 | — |
Vendor Fix
fix
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| Unresolved product id: BaseOS-8.8.0.Z.TUS:kernel-modules-extra-0:4.18.0-477.177.1.el8_8.x86_64 | — |
Vendor Fix
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| Unresolved product id: BaseOS-8.8.0.Z.TUS:kernel-tools-0:4.18.0-477.177.1.el8_8.x86_64 | — |
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| Unresolved product id: BaseOS-8.8.0.Z.TUS:kernel-tools-debuginfo-0:4.18.0-477.177.1.el8_8.x86_64 | — |
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| Unresolved product id: BaseOS-8.8.0.Z.TUS:kernel-tools-libs-0:4.18.0-477.177.1.el8_8.x86_64 | — |
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| Unresolved product id: BaseOS-8.8.0.Z.TUS:perf-0:4.18.0-477.177.1.el8_8.x86_64 | — |
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| Unresolved product id: BaseOS-8.8.0.Z.TUS:perf-debuginfo-0:4.18.0-477.177.1.el8_8.x86_64 | — |
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| Unresolved product id: BaseOS-8.8.0.Z.TUS:python3-perf-0:4.18.0-477.177.1.el8_8.x86_64 | — |
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| Unresolved product id: BaseOS-8.8.0.Z.TUS:python3-perf-debuginfo-0:4.18.0-477.177.1.el8_8.x86_64 | — |
Vendor Fix
fix
Workaround
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Threats
Impact
Moderate
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)
Affected products
Fixed
72 products, the same list as for
CVE-2025-68745
Threats
Impact
Moderate
A flaw was found in the Linux kernel's `pcrypt` component. This vulnerability involves how the system handles certain requests, specifically `MAY_BACKLOG` requests, which can indicate a temporary busy state. If not properly managed, the system's processing of these requests could lead to resource exhaustion or instability.
7.0 (High)
Affected products
Fixed
72 products, the same list as for
CVE-2025-68745
Threats
Impact
Moderate
A flaw was found in the Linux kernel. Inconsistent handling of local Forwarding Database (FDB) entries in the bridge networking component's RCU (Read-Copy-Update) readers can lead to a null-pointer dereference. A local attacker could exploit this by triggering a concurrent update to an FDB entry, causing the system to crash and resulting in a Denial of Service (DoS).
5.5 (Medium)
Affected products
Fixed
72 products, the same list as for
CVE-2025-68745
Threats
Impact
Moderate
A flaw was found in the Linux kernel's procfs component. When reading /proc/[pid]/stat, the do_task_stat() function accesses task->real_parent without proper Read-Copy-Update (RCU) protection. This missing protection creates a race condition, which can lead to a Use-After-Free (UAF) vulnerability. A local attacker could potentially exploit this to cause a system crash or achieve other unspecified impacts.
7.1 (High)
Affected products
Fixed
72 products, the same list as for
CVE-2025-68745
Threats
Impact
Moderate
A flaw was found in the Linux kernel's `af_alg` cryptography module. This vulnerability involves an arithmetic overflow when processing associated data lengths during the transmit buffer size check. A remote attacker could exploit this flaw by providing a specially crafted associated data length, potentially leading to a denial of service (DoS) due to system instability.
7.0 (High)
Affected products
Fixed
72 products, the same list as for
CVE-2025-68745
Threats
Impact
Important
A flaw was found in the Linux kernel's mac802154 (IEEE 802.15.4 MAC security) component. This vulnerability allows for data corruption and potential kernel crashes when cryptographic transformations are performed on shared network packet data without proper isolation. A remote attacker could exploit this by sending specific 802.15.4 traffic, leading to system instability or denial of service.
7.0 (High)
Affected products
Fixed
72 products, the same list as for
CVE-2025-68745
Threats
Impact
Important
A flaw was found in the Linux kernel's Security-Enhanced Linux (SELinux) module. When using TCP Fast Open, SELinux failed to properly check connect-related permissions. This oversight could allow a local attacker to bypass SELinux network access controls, potentially enabling unauthorized network connections that should have been restricted by security policies.
7.3 (High)
Affected products
Fixed
72 products, the same list as for
CVE-2025-68745
Threats
Impact
Important
A flaw was found in the Advanced Linux Sound Architecture (ALSA) usx2y driver in the Linux kernel. A local attacker, by opening the hwdep node of an attached US-X2Y device, could exploit an unbounded memory mapping (mmap) fault offset. This allows read-write access to arbitrary kernel memory, potentially leading to a denial of service (kernel crash) or privilege escalation.
7.0 (High)
Affected products
Fixed
72 products, the same list as for
CVE-2025-68745
Threats
Impact
Moderate
A flaw was found in the Linux kernel's `scsi: qla2xxx` driver. A remote attacker, by sending a specially crafted Fibre Channel Protocol (FCP) response, could cause an integer underflow. This underflow leads to an out-of-bounds read when handling sense data, potentially disclosing sensitive memory information from the kernel's heap.
7.1 (High)
Affected products
Fixed
72 products, the same list as for
CVE-2025-68745
Threats
Impact
Important
References
64 references
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"category": "summary",
"text": "An update for kernel is now available for Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions and Red Hat Enterprise Linux 8.8 Telecommunications Update Service.\n\nRed Hat Product Security has rated this update as having a security impact of Important. 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.",
"title": "Topic"
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"category": "general",
"text": "The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\n* kernel: Linux kernel: Denial of Service in qla2xxx SCSI driver due to improper command handling after chip reset (CVE-2025-68745)\n\n* kernel: ALSA: 6fire: fix use-after-free on disconnect (CVE-2026-31581)\n\n* kernel: crypto: pcrypt - Fix handling of MAY_BACKLOG requests (CVE-2026-43493)\n\n* kernel: net: bridge: use a stable FDB dst snapshot in RCU readers (CVE-2026-46086)\n\n* kernel: procfs: fix missing RCU protection when reading real_parent in do_task_stat() (CVE-2026-46259)\n\n* kernel: crypto: af_alg - Cap AEAD AD length to 0x80000000 (CVE-2026-52972)\n\n* kernel: mac802154: llsec: add skb_cow_data() before in-place crypto (CVE-2026-63831)\n\n* kernel: selinux: check connect-related permissions on TCP Fast Open (CVE-2026-72243)\n\n* kernel: ALSA: usx2y: bound the hwdep mmap fault offset (CVE-2026-74641)\n\n* kernel: scsi: qla2xxx: Bound rsp_info_len to avoid OOB sense-data read (CVE-2026-89846)\n\n* kernel: kernel: strparser: use-after-free via msg_timer_work rearm after strp_done() cancellation ()\n\nFor 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.",
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{
"cve": "CVE-2025-68745",
"cwe": {
"id": "CWE-366",
"name": "Race Condition within a Thread"
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"discovery_date": "2025-12-24T00:00:00+00:00",
"ids": [
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"text": "2425039"
}
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{
"category": "description",
"text": "A flaw was found in the Linux kernel\u0027s qla2xxx SCSI driver. This vulnerability occurs when commands sent to the firmware (FW) are not properly cleared after a chip reset. A local attacker could exploit a race condition during direct memory access (DMA) unmapping, leading to a kernel panic. This can result in a system crash and a Denial of Service (DoS).",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: Linux kernel: Denial of Service in qla2xxx SCSI driver due to improper command handling after chip reset",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "A moderate flaw was found in the Linux kernel\u0027s qla2xxx SCSI driver, affecting the kernel and kernel-rt components in Red Hat Enterprise Linux 8, 9, and 10. Commands sent to the firmware were not properly cleared after a chip reset, and a race condition between two CPUs concurrently performing DMA unmapping in qlt_unmap_sg() could trigger a kernel BUG_ON, resulting in a kernel panic. A local attacker able to trigger the chip reset and racing DMA unmap paths could exploit this condition to crash the system, causing a denial of service; confidentiality and integrity are not impacted. Red Hat Enterprise Linux 7 Extended Lifecycle Support and Red Hat In-Vehicle OS 1 are not affected because the vulnerable code is not present in those releases. Fixes for the affected Red Hat Enterprise Linux 8, 9, and 10 streams are being pursued by the Red Hat kernel team, and updates have already shipped or are in progress for several streams. Red Hat rates this flaw Moderate severity with a CVSS 4.7 (CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H), which differs significantly from the Critical 9.8 score in the upstream CVE record. The upstream score reflects a network-reachable vector with full confidentiality, integrity, and availability impact that is not supported by the technical evidence: exploitation requires local access and a high-complexity race condition, and only availability is affected.",
"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.",
"title": "CVSS score applicability"
}
],
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{
"category": "vendor_fix",
"date": "2026-10-30T07:39:36+00:00",
"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.\n\nRed Hat recommends treating all kernel errata as security-relevant. Given the kernel\u0027s fundamental role, any bug has a higher chance of impacting system security, even if that impact only becomes clear after a fix is published. Therefore, Red Hat prioritizes delivering fixes that improve our customers\u0027 overall security posture.\n\nBecause of this proactive approach, a patch may be associated with a CVE assignment at a future date. Retroactive CVE assignments are always documented in the corresponding errata and on Red Hat\u0027s CVE pages. We strongly advise against delaying updates, as doing so may leave your system exposed when protections are already available.",
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"restart_required": {
"category": "machine"
},
"url": "https://access.redhat.com/errata/RHSA-2026:92997"
},
{
"category": "workaround",
"details": "To mitigate this issue, if the `qla2xxx` SCSI driver is not required, it can be prevented from loading by blacklisting the module. This can be achieved by creating a modprobe configuration file.\n\n1. Create a file named `/etc/modprobe.d/blacklist-qla2xxx.conf` with the following content:\n```\nblacklist qla2xxx\ninstall qla2xxx /bin/true\n```\n2. Rebuild the initial ramdisk:\n```bash\ndracut -f -v\n```\n3. Reboot the system for the changes to take effect.\n\nThis mitigation will prevent the `qla2xxx` module from loading, which may impact systems relying on QLogic Fibre Channel HBAs. A system reboot is required for the changes to take full effect.",
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"scores": [
{
"cvss_v3": {
"attackComplexity": "HIGH",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 4.7,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
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],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "kernel: Linux kernel: Denial of Service in qla2xxx SCSI driver due to improper command handling after chip reset"
},
{
"cve": "CVE-2026-31581",
"cwe": {
"id": "CWE-825",
"name": "Expired Pointer Dereference"
},
"discovery_date": "2026-04-24T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2461471"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in the Linux kernel\u0027s 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.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: ALSA: 6fire: fix use-after-free on disconnect",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "The 6fire USB audio disconnect path could touch freed memory; upstream hardens teardown ordering. Red Hat customers using this rare interface should update kernels. Optional mitigation is unloading the 6fire ALSA USB driver module where unused.",
"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.",
"title": "CVSS score applicability"
}
],
"product_status": {
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2026-31581"
},
{
"category": "external",
"summary": "RHBZ#2461471",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2461471"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2026-31581",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-31581"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-31581",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-31581"
},
{
"category": "external",
"summary": "https://lore.kernel.org/linux-cve-announce/2026042411-CVE-2026-31581-9bc2@gregkh/T",
"url": "https://lore.kernel.org/linux-cve-announce/2026042411-CVE-2026-31581-9bc2@gregkh/T"
}
],
"release_date": "2026-04-24T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-30T07:39:36+00:00",
"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.\n\nRed Hat recommends treating all kernel errata as security-relevant. Given the kernel\u0027s fundamental role, any bug has a higher chance of impacting system security, even if that impact only becomes clear after a fix is published. Therefore, Red Hat prioritizes delivering fixes that improve our customers\u0027 overall security posture.\n\nBecause of this proactive approach, a patch may be associated with a CVE assignment at a future date. Retroactive CVE assignments are always documented in the corresponding errata and on Red Hat\u0027s CVE pages. We strongly advise against delaying updates, as doing so may leave your system exposed when protections are already available.",
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},
"url": "https://access.redhat.com/errata/RHSA-2026:92997"
},
{
"category": "workaround",
"details": "To mitigate this issue, prevent the snd_usb_6fire module from being loaded. See https://access.redhat.com/solutions/41278 for instructions.",
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"scores": [
{
"cvss_v3": {
"attackComplexity": "HIGH",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 6.3,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H",
"version": "3.1"
},
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],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "kernel: ALSA: 6fire: fix use-after-free on disconnect"
},
{
"cve": "CVE-2026-43493",
"cwe": {
"id": "CWE-770",
"name": "Allocation of Resources Without Limits or Throttling"
},
"discovery_date": "2026-05-19T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2479812"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in the Linux kernel\u0027s `pcrypt` component. This vulnerability involves how the system handles certain requests, specifically `MAY_BACKLOG` requests, which can indicate a temporary busy state. If not properly managed, the system\u0027s processing of these requests could lead to resource exhaustion or instability.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: crypto: pcrypt - Fix handling of MAY_BACKLOG requests",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This vulnerability is rated as Moderate impact because successful exploitation requires local unprivileged system access and specific timing conditions to trigger improper request handling in the kernel\u0027s cryptographic subsystem. In typical Red Hat Enterprise Linux deployments, the pcrypt parallel crypto wrapper is not active by default and is only engaged when cryptographic algorithms explicitly request parallel processing. Consequently, an attacker cannot trigger this condition remotely, limiting the blast radius to local denial of service or kernel memory instability.",
"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.",
"title": "CVSS score applicability"
}
],
"product_status": {
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},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2026-43493"
},
{
"category": "external",
"summary": "RHBZ#2479812",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2479812"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2026-43493",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-43493"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-43493",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-43493"
},
{
"category": "external",
"summary": "https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-43493.mbox",
"url": "https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-43493.mbox"
}
],
"release_date": "2026-05-19T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-30T07:39:36+00:00",
"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.\n\nRed Hat recommends treating all kernel errata as security-relevant. Given the kernel\u0027s fundamental role, any bug has a higher chance of impacting system security, even if that impact only becomes clear after a fix is published. Therefore, Red Hat prioritizes delivering fixes that improve our customers\u0027 overall security posture.\n\nBecause of this proactive approach, a patch may be associated with a CVE assignment at a future date. Retroactive CVE assignments are always documented in the corresponding errata and on Red Hat\u0027s CVE pages. We strongly advise against delaying updates, as doing so may leave your system exposed when protections are already available.",
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"restart_required": {
"category": "machine"
},
"url": "https://access.redhat.com/errata/RHSA-2026:92997"
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "HIGH",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.0,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
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"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "kernel: crypto: pcrypt - Fix handling of MAY_BACKLOG requests"
},
{
"cve": "CVE-2026-46086",
"cwe": {
"id": "CWE-367",
"name": "Time-of-check Time-of-use (TOCTOU) Race Condition"
},
"discovery_date": "2026-05-27T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2481989"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in the Linux kernel. Inconsistent handling of local Forwarding Database (FDB) entries in the bridge networking component\u0027s RCU (Read-Copy-Update) readers can lead to a null-pointer dereference. A local attacker could exploit this by triggering a concurrent update to an FDB entry, causing the system to crash and resulting in a Denial of Service (DoS).",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: net: bridge: use a stable FDB dst snapshot in RCU readers",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "Bridge FDB RCU readers could load f dst more than once while a local FDB update rewrites that pointer in place to another port or NULL. A concurrent update can make the reader pass a NULL check and later dereference a different NULL value, causing a kernel crash in paths such as br_fdb_fillbuf. Impact is denial of service only.",
"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.",
"title": "CVSS score applicability"
}
],
"product_status": {
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2026-46086"
},
{
"category": "external",
"summary": "RHBZ#2481989",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2481989"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2026-46086",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-46086"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-46086",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-46086"
},
{
"category": "external",
"summary": "https://lore.kernel.org/linux-cve-announce/2026052701-CVE-2026-46086-d3c8@gregkh/T",
"url": "https://lore.kernel.org/linux-cve-announce/2026052701-CVE-2026-46086-d3c8@gregkh/T"
}
],
"release_date": "2026-05-27T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-30T07:39:36+00:00",
"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.\n\nRed Hat recommends treating all kernel errata as security-relevant. Given the kernel\u0027s fundamental role, any bug has a higher chance of impacting system security, even if that impact only becomes clear after a fix is published. Therefore, Red Hat prioritizes delivering fixes that improve our customers\u0027 overall security posture.\n\nBecause of this proactive approach, a patch may be associated with a CVE assignment at a future date. Retroactive CVE assignments are always documented in the corresponding errata and on Red Hat\u0027s CVE pages. We strongly advise against delaying updates, as doing so may leave your system exposed when protections are already available.",
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"category": "machine"
},
"url": "https://access.redhat.com/errata/RHSA-2026:92997"
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
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],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "kernel: net: bridge: use a stable FDB dst snapshot in RCU readers"
},
{
"cve": "CVE-2026-46259",
"cwe": {
"id": "CWE-820",
"name": "Missing Synchronization"
},
"discovery_date": "2026-06-03T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2484477"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in the Linux kernel\u0027s procfs component. When reading /proc/[pid]/stat, the do_task_stat() function accesses task-\u003ereal_parent without proper Read-Copy-Update (RCU) protection. This missing protection creates a race condition, which can lead to a Use-After-Free (UAF) vulnerability. A local attacker could potentially exploit this to cause a system crash or achieve other unspecified impacts.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: procfs: fix missing RCU protection when reading real_parent in do_task_stat()",
"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.",
"title": "CVSS score applicability"
}
],
"product_status": {
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},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2026-46259"
},
{
"category": "external",
"summary": "RHBZ#2484477",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2484477"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2026-46259",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-46259"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-46259",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-46259"
},
{
"category": "external",
"summary": "https://lore.kernel.org/linux-cve-announce/2026060336-CVE-2026-46259-6c94@gregkh/T",
"url": "https://lore.kernel.org/linux-cve-announce/2026060336-CVE-2026-46259-6c94@gregkh/T"
}
],
"release_date": "2026-06-03T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-30T07:39:36+00:00",
"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.\n\nRed Hat recommends treating all kernel errata as security-relevant. Given the kernel\u0027s fundamental role, any bug has a higher chance of impacting system security, even if that impact only becomes clear after a fix is published. Therefore, Red Hat prioritizes delivering fixes that improve our customers\u0027 overall security posture.\n\nBecause of this proactive approach, a patch may be associated with a CVE assignment at a future date. Retroactive CVE assignments are always documented in the corresponding errata and on Red Hat\u0027s CVE pages. We strongly advise against delaying updates, as doing so may leave your system exposed when protections are already available.",
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"restart_required": {
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},
"url": "https://access.redhat.com/errata/RHSA-2026:92997"
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.1,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H",
"version": "3.1"
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"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "kernel: procfs: fix missing RCU protection when reading real_parent in do_task_stat()"
},
{
"cve": "CVE-2026-52972",
"cwe": {
"id": "CWE-190",
"name": "Integer Overflow or Wraparound"
},
"discovery_date": "2026-06-24T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2492364"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in the Linux kernel\u0027s `af_alg` cryptography module. This vulnerability involves an arithmetic overflow when processing associated data lengths during the transmit buffer size check. A remote attacker could exploit this flaw by providing a specially crafted associated data length, potentially leading to a denial of service (DoS) due to system instability.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: crypto: af_alg - Cap AEAD AD length to 0x80000000",
"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.",
"title": "CVSS score applicability"
}
],
"product_status": {
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2026-52972"
},
{
"category": "external",
"summary": "RHBZ#2492364",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2492364"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2026-52972",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-52972"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-52972",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-52972"
},
{
"category": "external",
"summary": "https://lore.kernel.org/linux-cve-announce/2026062439-CVE-2026-52972-7d96@gregkh/T",
"url": "https://lore.kernel.org/linux-cve-announce/2026062439-CVE-2026-52972-7d96@gregkh/T"
}
],
"release_date": "2026-06-24T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-30T07:39:36+00:00",
"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.\n\nRed Hat recommends treating all kernel errata as security-relevant. Given the kernel\u0027s fundamental role, any bug has a higher chance of impacting system security, even if that impact only becomes clear after a fix is published. Therefore, Red Hat prioritizes delivering fixes that improve our customers\u0027 overall security posture.\n\nBecause of this proactive approach, a patch may be associated with a CVE assignment at a future date. Retroactive CVE assignments are always documented in the corresponding errata and on Red Hat\u0027s CVE pages. We strongly advise against delaying updates, as doing so may leave your system exposed when protections are already available.",
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},
"url": "https://access.redhat.com/errata/RHSA-2026:92997"
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "HIGH",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.0,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
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],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "kernel: crypto: af_alg - Cap AEAD AD length to 0x80000000"
},
{
"cve": "CVE-2026-63831",
"cwe": {
"id": "CWE-820",
"name": "Missing Synchronization"
},
"discovery_date": "2026-07-19T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2502243"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in the Linux kernel\u0027s mac802154 (IEEE 802.15.4 MAC security) component. This vulnerability allows for data corruption and potential kernel crashes when cryptographic transformations are performed on shared network packet data without proper isolation. A remote attacker could exploit this by sending specific 802.15.4 traffic, leading to system instability or denial of service.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: mac802154: llsec: add skb_cow_data() before in-place crypto",
"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.",
"title": "CVSS score applicability"
}
],
"product_status": {
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},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2026-63831"
},
{
"category": "external",
"summary": "RHBZ#2502243",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2502243"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2026-63831",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-63831"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-63831",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-63831"
},
{
"category": "external",
"summary": "https://lore.kernel.org/linux-cve-announce/2026071908-CVE-2026-63831-36ca@gregkh/T",
"url": "https://lore.kernel.org/linux-cve-announce/2026071908-CVE-2026-63831-36ca@gregkh/T"
}
],
"release_date": "2026-07-19T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-30T07:39:36+00:00",
"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.\n\nRed Hat recommends treating all kernel errata as security-relevant. Given the kernel\u0027s fundamental role, any bug has a higher chance of impacting system security, even if that impact only becomes clear after a fix is published. Therefore, Red Hat prioritizes delivering fixes that improve our customers\u0027 overall security posture.\n\nBecause of this proactive approach, a patch may be associated with a CVE assignment at a future date. Retroactive CVE assignments are always documented in the corresponding errata and on Red Hat\u0027s CVE pages. We strongly advise against delaying updates, as doing so may leave your system exposed when protections are already available.",
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"url": "https://access.redhat.com/errata/RHSA-2026:92997"
}
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"scores": [
{
"cvss_v3": {
"attackComplexity": "HIGH",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.0,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
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],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "kernel: mac802154: llsec: add skb_cow_data() before in-place crypto"
},
{
"cve": "CVE-2026-72243",
"cwe": {
"id": "CWE-551",
"name": "Incorrect Behavior Order: Authorization Before Parsing and Canonicalization"
},
"discovery_date": "2026-08-15T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2516684"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in the Linux kernel\u0027s Security-Enhanced Linux (SELinux) module. When using TCP Fast Open, SELinux failed to properly check connect-related permissions. This oversight could allow a local attacker to bypass SELinux network access controls, potentially enabling unauthorized network connections that should have been restricted by security policies.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: selinux: check connect-related permissions on TCP Fast Open",
"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.",
"title": "CVSS score applicability"
}
],
"product_status": {
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2026-72243"
},
{
"category": "external",
"summary": "RHBZ#2516684",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2516684"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2026-72243",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-72243"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-72243",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-72243"
},
{
"category": "external",
"summary": "https://lore.kernel.org/linux-cve-announce/2026081551-CVE-2026-72243-04e7@gregkh/T",
"url": "https://lore.kernel.org/linux-cve-announce/2026081551-CVE-2026-72243-04e7@gregkh/T"
}
],
"release_date": "2026-08-15T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-30T07:39:36+00:00",
"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.\n\nRed Hat recommends treating all kernel errata as security-relevant. Given the kernel\u0027s fundamental role, any bug has a higher chance of impacting system security, even if that impact only becomes clear after a fix is published. Therefore, Red Hat prioritizes delivering fixes that improve our customers\u0027 overall security posture.\n\nBecause of this proactive approach, a patch may be associated with a CVE assignment at a future date. Retroactive CVE assignments are always documented in the corresponding errata and on Red Hat\u0027s CVE pages. We strongly advise against delaying updates, as doing so may leave your system exposed when protections are already available.",
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"restart_required": {
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},
"url": "https://access.redhat.com/errata/RHSA-2026:92997"
},
{
"category": "workaround",
"details": "To mitigate this issue, TCP Fast Open (TFO) can be disabled if not required by applications. Disabling TFO prevents the vulnerable code path from being exercised, thereby eliminating the SELinux permission bypass.\n\nTo disable TCP Fast Open:\n1. Check the current setting:\n `sysctl net.ipv4.tcp_fastopen`\n2. To disable it temporarily:\n `sudo sysctl -w net.ipv4.tcp_fastopen=0`\n3. To make the change persistent across reboots, add or modify the following line in `/etc/sysctl.conf`:\n `net.ipv4.tcp_fastopen = 0`\n4. Apply the persistent changes:\n `sudo sysctl -p`\n\nDisabling TCP Fast Open may impact the performance of applications that utilize this feature for faster connection establishment.",
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"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "LOW",
"baseScore": 7.3,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L",
"version": "3.1"
},
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],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "kernel: selinux: check connect-related permissions on TCP Fast Open"
},
{
"cve": "CVE-2026-74641",
"cwe": {
"id": "CWE-787",
"name": "Out-of-bounds Write"
},
"discovery_date": "2026-08-22T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2521436"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in the Advanced Linux Sound Architecture (ALSA) usx2y driver in the Linux kernel. A local attacker, by opening the hwdep node of an attached US-X2Y device, could exploit an unbounded memory mapping (mmap) fault offset. This allows read-write access to arbitrary kernel memory, potentially leading to a denial of service (kernel crash) or privilege escalation.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: ALSA: usx2y: bound the hwdep mmap fault offset",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "ALSA usx2y hwdep mmap fault handling can use an attacker controlled page offset without a bounds check and convert an address outside the shared buffer into a mapped struct page. A local process that can open the hwdep node for an attached US-X2Y device can choose the mmap offset and may obtain read-write access to kernel memory outside the intended object. The buf is not triggerable if no hardware that is being used by snd-usb-usx2y driver (that is Kernel module).",
"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.",
"title": "CVSS score applicability"
}
],
"product_status": {
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},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2026-74641"
},
{
"category": "external",
"summary": "RHBZ#2521436",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2521436"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2026-74641",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-74641"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-74641",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-74641"
},
{
"category": "external",
"summary": "https://lore.kernel.org/linux-cve-announce/2026082223-CVE-2026-74641-92d7@gregkh/T",
"url": "https://lore.kernel.org/linux-cve-announce/2026082223-CVE-2026-74641-92d7@gregkh/T"
}
],
"release_date": "2026-08-22T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-30T07:39:36+00:00",
"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.\n\nRed Hat recommends treating all kernel errata as security-relevant. Given the kernel\u0027s fundamental role, any bug has a higher chance of impacting system security, even if that impact only becomes clear after a fix is published. Therefore, Red Hat prioritizes delivering fixes that improve our customers\u0027 overall security posture.\n\nBecause of this proactive approach, a patch may be associated with a CVE assignment at a future date. Retroactive CVE assignments are always documented in the corresponding errata and on Red Hat\u0027s CVE pages. We strongly advise against delaying updates, as doing so may leave your system exposed when protections are already available.",
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"restart_required": {
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},
"url": "https://access.redhat.com/errata/RHSA-2026:92997"
},
{
"category": "workaround",
"details": "To mitigate this issue, prevent module snd-usb-usx2y and ALSA (Advanced Linux Sound Architecture) from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.",
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"scores": [
{
"cvss_v3": {
"attackComplexity": "HIGH",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.0,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
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],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "kernel: ALSA: usx2y: bound the hwdep mmap fault offset"
},
{
"cve": "CVE-2026-89846",
"cwe": {
"id": "CWE-125",
"name": "Out-of-bounds Read"
},
"discovery_date": "2026-09-16T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2535391"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in the Linux kernel\u0027s `scsi: qla2xxx` driver. A remote attacker, by sending a specially crafted Fibre Channel Protocol (FCP) response, could cause an integer underflow. This underflow leads to an out-of-bounds read when handling sense data, potentially disclosing sensitive memory information from the kernel\u0027s heap.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: scsi: qla2xxx: Bound rsp_info_len to avoid OOB sense-data read",
"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.",
"title": "CVSS score applicability"
}
],
"product_status": {
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},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2026-89846"
},
{
"category": "external",
"summary": "RHBZ#2535391",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2535391"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2026-89846",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-89846"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-89846",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-89846"
},
{
"category": "external",
"summary": "https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-89846.mbox",
"url": "https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-89846.mbox"
}
],
"release_date": "2026-09-16T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-30T07:39:36+00:00",
"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.\n\nRed Hat recommends treating all kernel errata as security-relevant. Given the kernel\u0027s fundamental role, any bug has a higher chance of impacting system security, even if that impact only becomes clear after a fix is published. Therefore, Red Hat prioritizes delivering fixes that improve our customers\u0027 overall security posture.\n\nBecause of this proactive approach, a patch may be associated with a CVE assignment at a future date. Retroactive CVE assignments are always documented in the corresponding errata and on Red Hat\u0027s CVE pages. We strongly advise against delaying updates, as doing so may leave your system exposed when protections are already available.",
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"restart_required": {
"category": "machine"
},
"url": "https://access.redhat.com/errata/RHSA-2026:92997"
},
{
"category": "workaround",
"details": "If QLogic Fibre Channel HBAs are not in use, the \u0027qla2xxx\u0027 kernel module can be blacklisted to prevent it from loading. This can be achieved by creating a modprobe configuration file.\n\nTo blacklist the module:\n1. Create a file named `/etc/modprobe.d/blacklist-qla2xxx.conf` with the following content:\n `blacklist qla2xxx`\n2. Regenerate the initramfs to ensure the blacklist is applied during boot:\n `sudo dracut -f -v` (for RHEL 7/8/9)\n `sudo mkinitcpio -P` (for Arch-based systems, if applicable)\n3. Reboot the system for the changes to take effect.\n\nWarning: Blacklisting this module will disable functionality for QLogic Fibre Channel HBAs. Ensure that this hardware is not required before applying this mitigation. A system reboot is required for the changes to take effect.",
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"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.1,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H",
"version": "3.1"
},
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}
],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "kernel: scsi: qla2xxx: Bound rsp_info_len to avoid OOB sense-data read"
}
]
}
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Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
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.
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- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
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Vulnerability timeline
Sightings and recorded dates, grouped by day · UTC
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.