RHSA-2026:67469

Vulnerability from csaf_redhat - Published: 2026-09-15 01:11 - Updated: 2026-11-05 13:43
Summary
Red Hat Security Advisory: kernel-rt security update
Severity
Important
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 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-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fix(es): * kernel: EDAC/bluefield: Fix potential integer overflow (CVE-2024-53161) * kernel: wifi: mac80211: Discard Beacon frames to non-broadcast address (CVE-2025-71127) * kernel: KVM: nSVM: Always use vmcb01 in VMLOAD/VMSAVE emulation (CVE-2026-43133) * kernel: net: qrtr: fix refcount saturation and potential UAF in qrtr_port_remove (CVE-2026-52947) * kernel: wifi: nl80211: reject oversized EMA RNR lists (CVE-2026-53182) * kernel: blk-cgroup: fix UAF in __blkcg_rstat_flush() (CVE-2026-63802) * kernel: scsi: scsi_transport_fc: Widen FPIN pname walker counter to u32 (CVE-2026-63889) * kernel: wifi: mac80211: capture fast-RX rate before mesh reuses skb->cb (CVE-2026-64117) * kernel: Linux kernel: ath9k Wi-Fi driver use-after-free vulnerability leading to system crash (CVE-2026-68363) * kernel: net: qrtr: restrict socket creation to the initial network namespace (CVE-2026-68294) * kernel: dm-verity: fix buffer overflow in FEC calculation (CVE-2026-72098) * kernel: scsi: libiscsi_tcp: Bound SCSI Response data segment to the connection buffer (CVE-2026-74556) 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-2024-53161

In the Linux kernel, the following vulnerability has been resolved: EDAC/bluefield: Fix potential integer overflow The 64-bit argument for the "get DIMM info" SMC call consists of mem_ctrl_idx left-shifted 16 bits and OR-ed with DIMM index. With mem_ctrl_idx defined as 32-bits wide the left-shift operation truncates the upper 16 bits of information during the calculation of the SMC argument. The mem_ctrl_idx stack variable must be defined as 64-bits wide to prevent any potential integer overflow, i.e. loss of data from upper 16 bits.

3.8 (Low)
CVSS:3.1/AV:P/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H
CWE-190 - Integer Overflow or Wraparound
Affected products
Product Identifier Version Remediation
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-0:4.18.0-553.163.1.rt7.504.el8_10.src —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-0:4.18.0-553.163.1.rt7.504.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-core-0:4.18.0-553.163.1.rt7.504.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-0:4.18.0-553.163.1.rt7.504.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-core-0:4.18.0-553.163.1.rt7.504.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-debuginfo-0:4.18.0-553.163.1.rt7.504.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-devel-0:4.18.0-553.163.1.rt7.504.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-kvm-0:4.18.0-553.163.1.rt7.504.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-modules-0:4.18.0-553.163.1.rt7.504.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-modules-extra-0:4.18.0-553.163.1.rt7.504.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debuginfo-0:4.18.0-553.163.1.rt7.504.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debuginfo-common-x86_64-0:4.18.0-553.163.1.rt7.504.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-devel-0:4.18.0-553.163.1.rt7.504.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-kvm-0:4.18.0-553.163.1.rt7.504.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-modules-0:4.18.0-553.163.1.rt7.504.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-modules-extra-0:4.18.0-553.163.1.rt7.504.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-0:4.18.0-553.163.1.rt7.504.el8_10.src —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-0:4.18.0-553.163.1.rt7.504.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-core-0:4.18.0-553.163.1.rt7.504.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-0:4.18.0-553.163.1.rt7.504.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-core-0:4.18.0-553.163.1.rt7.504.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-debuginfo-0:4.18.0-553.163.1.rt7.504.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-devel-0:4.18.0-553.163.1.rt7.504.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-modules-0:4.18.0-553.163.1.rt7.504.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-modules-extra-0:4.18.0-553.163.1.rt7.504.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debuginfo-0:4.18.0-553.163.1.rt7.504.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debuginfo-common-x86_64-0:4.18.0-553.163.1.rt7.504.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-devel-0:4.18.0-553.163.1.rt7.504.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-modules-0:4.18.0-553.163.1.rt7.504.el8_10.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-modules-extra-0:4.18.0-553.163.1.rt7.504.el8_10.x86_64 —
Vendor Fix fix
Workaround
Threats
Impact Low
CVE-2025-71127

A beacon protection bypass vulnerability was found in the Linux kernel's mac80211 WiFi stack. According to IEEE 802.11-2020, beacon frames must be sent to the broadcast address, but mac80211 incorrectly accepts unicast beacon frames with the Protected Frame bit set to 1. This allows attackers to send targeted unicast beacons that bypass beacon protection (BIGTK verification), potentially forcing associated stations to perform malicious actions like channel switching via CSA.

6.3 (Medium)
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H
CWE-358 - Improperly Implemented Security Check for Standard
Affected products
Fixed 30 products, the same list as for CVE-2024-53161
Threats
Impact Moderate
CVE-2026-43133

A flaw was found in the Linux kernel's Kernel-based Virtual Machine (KVM) nSVM module. When a nested virtual machine (L2 guest) executes VMSAVE/VMLOAD instructions, and these are not intercepted by the first-level hypervisor (L1), KVM incorrectly uses `vmcb02` instead of `vmcb01` for managing guest state. This incorrect Virtual Machine Control Block (VMCB) handling could lead to unexpected behavior or state corruption within the virtualized environment.

7.9 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:H
CWE-628 - Function Call with Incorrectly Specified Arguments
Affected products
Fixed 30 products, the same list as for CVE-2024-53161
Threats
Impact Important
CVE-2026-52947

A flaw was found in the Linux kernel's `qrtr` network subsystem. A race condition exists in the `qrtr_port_remove()` function where the socket reference count is decremented prematurely. This allows a concurrent reader to access a socket whose reference count has dropped to zero, potentially leading to a Use-After-Free (UAF) vulnerability. An attacker could exploit this to cause memory corruption, leading to system instability or a denial of service.

4.7 (Medium)
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-416 - Use After Free
Affected products
Fixed 30 products, the same list as for CVE-2024-53161
Threats
Impact Moderate
CVE-2026-53182

A flaw was found in the Linux kernel's nl80211 Wi-Fi subsystem. The nl80211_parse_rnr_elems() function, responsible for parsing EMA RNR (Enhanced Multiple Access Reduced Neighbor Report) lists, does not properly handle an excessive number of nested NL80211_ATTR_EMA_RNR_ELEMS inputs. This improper input validation could allow a remote attacker to cause a denial of service (DoS) by providing an oversized EMA RNR list, potentially leading to system instability or a crash.

7.0 (High)
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE-770 - Allocation of Resources Without Limits or Throttling
Affected products
Fixed 30 products, the same list as for CVE-2024-53161
Threats
Impact Moderate
CVE-2026-63802

A flaw was found in the Linux kernel's block input/output control group (blk-cgroup) component. This vulnerability, a Use-After-Free (UAF), occurs when multiple block control groups are released at the same time. A race condition allows one group to remove another's entries while it is still in use, leading to premature memory deallocation. This can result in system instability or a denial of service.

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
Fixed 30 products, the same list as for CVE-2024-53161
Threats
Impact Moderate
CVE-2026-63889

A flaw was found in the Linux kernel's Fibre Channel (FC) transport component. An adjacent Fibre Channel fabric actor, such as a compromised switch or fabric controller, can send a specially crafted FPIN ELS (Fabric Performance Incentive Notification Extended Link Service) frame. This malformed frame, specifically with a `pname_count` field that causes an integer overflow, can trigger an infinite loop, leading to a Denial of Service (DoS) in the affected system.

6.5 (Medium)
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-835 - Loop with Unreachable Exit Condition
Affected products
Fixed 30 products, the same list as for CVE-2024-53161
Threats
Impact Moderate
CVE-2026-64117

A flaw was found in the Linux kernel's mac80211 Wi-Fi subsystem. This use-after-free vulnerability arises from incorrect handling of fast-RX rate data during mesh processing. This can lead to memory corruption, which an attacker could potentially exploit to cause a system crash (denial of service) or, in some cases, execute unauthorized code.

6.5 (Medium)
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-416 - Use After Free
Affected products
Fixed 30 products, the same list as for CVE-2024-53161
Threats
Impact Moderate
CVE-2026-68294

A flaw was found in the Linux kernel's QRTR (Qualcomm IPC Router) networking component. An unprivileged local attacker can create a QRTR socket in a separate network namespace. Due to improper handling of global state variables, this allows the attacker to send datagrams and control-plane messages to QRTR sockets in other network namespaces. This bypasses network namespace isolation, enabling unauthorized communication and potential information disclosure between isolated network environments.

7.3 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H
CWE-653 - Improper Isolation or Compartmentalization
Affected products
Fixed 30 products, the same list as for CVE-2024-53161
Threats
Impact Important
CVE-2026-68363

A flaw was found in the ath9k Wi-Fi driver in the Linux kernel. A race condition exists during the asynchronous firmware loading process and device disconnection. A local attacker, by repeatedly connecting and disconnecting a malicious USB Wi-Fi device that fails firmware download, could trigger a use-after-free vulnerability. This could lead to reading freed memory, potentially causing a system crash and resulting in a Denial of Service (DoS).

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
Fixed 30 products, the same list as for CVE-2024-53161
Threats
Impact Moderate
CVE-2026-72098

A flaw was found in the dm-verity component of the Linux kernel. A buffer overflow occurs during Forward Error Correction (FEC) calculation, allowing an attacker to write past the end of an allocated buffer. This out-of-bounds write can corrupt the syndrome buffer, potentially leading to system instability or other undefined behavior.

7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE-787 - Out-of-bounds Write
Affected products
Fixed 30 products, the same list as for CVE-2024-53161
Threats
Impact Important
CVE-2026-74556

A flaw was found in the Linux kernel's `libiscsi_tcp` component. A remote attacker, acting as a malicious iSCSI target, could send a specially crafted iSCSI SCSI Command Response (ISCSI_OP_SCSI_CMD_RSP) with an oversized data segment. This could lead to a buffer overflow in a fixed-size buffer, potentially causing memory corruption within the kernel.

7.2 (High)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CWE-120 - Buffer Copy without Checking Size of Input
Affected products
Fixed 30 products, the same list as for CVE-2024-53161
Threats
Impact Important
References
URL Category
https://access.redhat.com/errata/RHSA-2026:67469 self
https://access.redhat.com/security/updates/classi… external
https://bugzilla.redhat.com/show_bug.cgi?id=2333977 external
https://bugzilla.redhat.com/show_bug.cgi?id=2429587 external
https://bugzilla.redhat.com/show_bug.cgi?id=2467065 external
https://bugzilla.redhat.com/show_bug.cgi?id=2492432 external
https://bugzilla.redhat.com/show_bug.cgi?id=2492722 external
https://bugzilla.redhat.com/show_bug.cgi?id=2502251 external
https://bugzilla.redhat.com/show_bug.cgi?id=2502320 external
https://bugzilla.redhat.com/show_bug.cgi?id=2502477 external
https://bugzilla.redhat.com/show_bug.cgi?id=2513286 external
https://bugzilla.redhat.com/show_bug.cgi?id=2513353 external
https://bugzilla.redhat.com/show_bug.cgi?id=2516501 external
https://bugzilla.redhat.com/show_bug.cgi?id=2517010 external
https://security.access.redhat.com/data/csaf/v2/a… self
https://access.redhat.com/security/cve/CVE-2024-53161 self
https://bugzilla.redhat.com/show_bug.cgi?id=2333977 external
https://www.cve.org/CVERecord?id=CVE-2024-53161 external
https://nvd.nist.gov/vuln/detail/CVE-2024-53161 external
https://lore.kernel.org/linux-cve-announce/202412… external
https://access.redhat.com/security/cve/CVE-2025-71127 self
https://bugzilla.redhat.com/show_bug.cgi?id=2429587 external
https://www.cve.org/CVERecord?id=CVE-2025-71127 external
https://nvd.nist.gov/vuln/detail/CVE-2025-71127 external
https://lore.kernel.org/linux-cve-announce/202601… external
https://access.redhat.com/security/cve/CVE-2026-43133 self
https://bugzilla.redhat.com/show_bug.cgi?id=2467065 external
https://www.cve.org/CVERecord?id=CVE-2026-43133 external
https://nvd.nist.gov/vuln/detail/CVE-2026-43133 external
https://lore.kernel.org/linux-cve-announce/202605… external
https://access.redhat.com/security/cve/CVE-2026-52947 self
https://bugzilla.redhat.com/show_bug.cgi?id=2492432 external
https://www.cve.org/CVERecord?id=CVE-2026-52947 external
https://nvd.nist.gov/vuln/detail/CVE-2026-52947 external
https://kernelcve.org/list/?q=CVE-2026-52947 external
https://lore.kernel.org/linux-cve-announce/202606… external
https://access.redhat.com/security/cve/CVE-2026-53182 self
https://bugzilla.redhat.com/show_bug.cgi?id=2492722 external
https://www.cve.org/CVERecord?id=CVE-2026-53182 external
https://nvd.nist.gov/vuln/detail/CVE-2026-53182 external
https://lore.kernel.org/linux-cve-announce/202606… external
https://access.redhat.com/security/cve/CVE-2026-63802 self
https://bugzilla.redhat.com/show_bug.cgi?id=2502251 external
https://www.cve.org/CVERecord?id=CVE-2026-63802 external
https://nvd.nist.gov/vuln/detail/CVE-2026-63802 external
https://lore.kernel.org/linux-cve-announce/202607… external
https://access.redhat.com/security/cve/CVE-2026-63889 self
https://bugzilla.redhat.com/show_bug.cgi?id=2502320 external
https://www.cve.org/CVERecord?id=CVE-2026-63889 external
https://nvd.nist.gov/vuln/detail/CVE-2026-63889 external
https://kernelcve.org/list/?q=CVE-2026-63889 external
https://lore.kernel.org/linux-cve-announce/202607… external
https://access.redhat.com/security/cve/CVE-2026-64117 self
https://bugzilla.redhat.com/show_bug.cgi?id=2502477 external
https://www.cve.org/CVERecord?id=CVE-2026-64117 external
https://nvd.nist.gov/vuln/detail/CVE-2026-64117 external
https://kernelcve.org/list/?q=CVE-2026-64117 external
https://lore.kernel.org/linux-cve-announce/202607… external
https://access.redhat.com/security/cve/CVE-2026-68294 self
https://bugzilla.redhat.com/show_bug.cgi?id=2513353 external
https://www.cve.org/CVERecord?id=CVE-2026-68294 external
https://nvd.nist.gov/vuln/detail/CVE-2026-68294 external
https://lore.kernel.org/linux-cve-announce/202608… external
https://access.redhat.com/security/cve/CVE-2026-68363 self
https://bugzilla.redhat.com/show_bug.cgi?id=2513286 external
https://www.cve.org/CVERecord?id=CVE-2026-68363 external
https://nvd.nist.gov/vuln/detail/CVE-2026-68363 external
https://lore.kernel.org/linux-cve-announce/202608… external
https://access.redhat.com/security/cve/CVE-2026-72098 self
https://bugzilla.redhat.com/show_bug.cgi?id=2516501 external
https://www.cve.org/CVERecord?id=CVE-2026-72098 external
https://nvd.nist.gov/vuln/detail/CVE-2026-72098 external
https://lore.kernel.org/linux-cve-announce/202608… external
https://access.redhat.com/security/cve/CVE-2026-74556 self
https://bugzilla.redhat.com/show_bug.cgi?id=2517010 external
https://www.cve.org/CVERecord?id=CVE-2026-74556 external
https://nvd.nist.gov/vuln/detail/CVE-2026-74556 external
https://lore.kernel.org/linux-cve-announce/202608… external
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        "text": "An update for kernel-rt is now available for Red Hat Enterprise Linux 8.\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.",
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        "text": "The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.\n\nSecurity Fix(es):\n\n* kernel: EDAC/bluefield: Fix potential integer overflow (CVE-2024-53161)\n\n* kernel: wifi: mac80211: Discard Beacon frames to non-broadcast address (CVE-2025-71127)\n\n* kernel: KVM: nSVM: Always use vmcb01 in VMLOAD/VMSAVE emulation (CVE-2026-43133)\n\n* kernel: net: qrtr: fix refcount saturation and potential UAF in qrtr_port_remove (CVE-2026-52947)\n\n* kernel: wifi: nl80211: reject oversized EMA RNR lists (CVE-2026-53182)\n\n* kernel: blk-cgroup: fix UAF in __blkcg_rstat_flush() (CVE-2026-63802)\n\n* kernel: scsi: scsi_transport_fc: Widen FPIN pname walker counter to u32 (CVE-2026-63889)\n\n* kernel: wifi: mac80211: capture fast-RX rate before mesh reuses skb-\u003ecb (CVE-2026-64117)\n\n* kernel: Linux kernel: ath9k Wi-Fi driver use-after-free vulnerability leading to system crash (CVE-2026-68363)\n\n* kernel: net: qrtr: restrict socket creation to the initial network namespace (CVE-2026-68294)\n\n* kernel: dm-verity: fix buffer overflow in FEC calculation (CVE-2026-72098)\n\n* kernel: scsi: libiscsi_tcp: Bound SCSI Response data segment to the connection buffer (CVE-2026-74556)\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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          "text": "Actual only for latest version of Red Hat Enterprise Linux 8 and latest version of Red Hat Enterprise Linux 9 (where configuration parameter CONFIG_EDAC_BLUEFIELD enabled as module). For triggering this bug need physical access (kind of insert malicious DIMM of memory), because it can happen only during boot or after DIMM of memory updated. Could happen only if this type of memory being used: \"Mellanox BlueField SoC\". The security impact is limited.",
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          "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": "kernel: net: qrtr: fix refcount saturation and potential UAF in qrtr_port_remove",
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          "title": "Statement"
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          "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: wifi: nl80211: reject oversized EMA RNR lists",
          "title": "Vulnerability summary"
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        {
          "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: scsi: scsi_transport_fc: Widen FPIN pname walker counter to u32",
          "title": "Vulnerability summary"
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          "text": "This vulnerability is rated as Moderate severity for Red Hat Enterprise Linux because exploitation requires direct access to an adjacent Fibre Channel storage fabric rather than a general IP or local network interface. Systems are only vulnerable if configured with Fibre Channel host bus adapters connecting to an untrusted or compromised storage area network. While successfully triggering the infinite loop results in an unresponsive kernel and host-level denial of service, the prerequisite of fabric-level access or malicious switch control limits the overall blast radius across typical server deployments.",
          "title": "Statement"
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          "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: wifi: mac80211: capture fast-RX rate before mesh reuses skb-\u003ecb",
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          "text": "Red Hat has evaluated this issue as having a Moderate security impact because successful exploitation requires wireless hardware actively configured in an 802.11s mesh network forwarding topology. Wireless interfaces and mesh routing are uncommon in typical enterprise server deployments, substantially limiting exposure under default configurations. Where mesh forwarding is operational, an attacker within adjacent radio range could trigger the invalid memory reference, potentially causing a kernel panic or unauthorized privilege escalation.",
          "title": "Statement"
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          "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": "A flaw was found in the Linux kernel\u0027s QRTR (Qualcomm IPC Router) networking component. An unprivileged local attacker can create a QRTR socket in a separate network namespace. Due to improper handling of global state variables, this allows the attacker to send datagrams and control-plane messages to QRTR sockets in other network namespaces. This bypasses network namespace isolation, enabling unauthorized communication and potential information disclosure between isolated network environments.",
          "title": "Vulnerability description"
        },
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          "text": "kernel: net: qrtr: restrict socket creation to the initial network namespace",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "Red Hat has rated this vulnerability as having an Important severity because it allows unprivileged local users to break network namespace isolation, undermining boundary guarantees critical to containerized environments. While the Qualcomm IPC Router subsystem is primarily intended for specialized hardware such as modems and is rarely utilized in standard enterprise deployments, the socket family can be instantiated locally by unprivileged callers. This enables an attacker within an isolated namespace to intercept or inject control-plane traffic across namespaces, threatening system data confidentiality and service integrity.",
          "title": "Statement"
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        {
          "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: Linux kernel: ath9k Wi-Fi driver use-after-free vulnerability leading to system crash",
          "title": "Vulnerability summary"
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          "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": "kernel: Linux kernel: ath9k Wi-Fi driver use-after-free vulnerability leading to system crash"
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          "title": "Vulnerability description"
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          "text": "kernel: dm-verity: fix buffer overflow in FEC calculation",
          "title": "Vulnerability summary"
        },
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          "category": "other",
          "text": "This vulnerability is rated Important because an out-of-bounds write in kernel memory space can lead to system crashes or local privilege escalation. While typical Red Hat Enterprise Linux server installations rarely configure device-mapper verity targets with forward error correction, specialized or immutable deployments utilizing dm-verity are exposed. Triggering the defect requires processing corrupted data blocks on a mounted volume configured with error correction, confining the blast radius to environments actively running this integrity feature.",
          "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: scsi: libiscsi_tcp: Bound SCSI Response data segment to the connection buffer",
          "title": "Vulnerability summary"
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          "text": "This vulnerability is rated as Important because successful exploitation allows a rogue or compromised storage target to trigger a kernel-level heap buffer overflow over the network, which could result in a system crash or arbitrary code execution with kernel privileges. In typical Red Hat Enterprise Linux installations, the affected iSCSI transport driver is not utilized by default unless the host is explicitly configured as an initiator connected to an external iSCSI target. The blast radius is therefore restricted to systems communicating with untrusted or compromised SAN infrastructure, preventing unauthenticated remote exposure from arbitrary endpoints.",
          "title": "Statement"
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          "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: scsi: libiscsi_tcp: Bound SCSI Response data segment to the connection buffer"
    }
  ]
}



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