An update for kernel is now available for Red Hat Enterprise Linux 10.

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.

The kernel packages contain the Linux kernel, the core of any Linux operating
system.

Security Fix(es):

* kernel: fsnotify: Fix ordering of iput() and watched_objects decrement
(CVE-2024-53143)

* kernel: shmem: fix recovery on rename failures (CVE-2025-71072)

* kernel: futex: Fix UaF between futex_key_to_node_opt() and
vma_replace_policy() (CVE-2026-23415)

* kernel: drm/amd/display: Do not skip unrelated mode changes in DSC validation
(CVE-2026-31488)

* kernel: ipc: limit next_id allocation to the valid ID range (CVE-2026-52923)

* kernel: mm/slab: do not limit zeroing to orig_size when only red zoning is
enabled (CVE-2026-64368)

* kernel: net: openvswitch: reject oversized nested action attrs
(CVE-2026-64531)

Bug Fix(es) and Enhancement(s):

* Kernel oops after increasing max number of mac addresses of a mlx5 VF
[rhel-10.2.z] (JIRA:RHEL-213035)

* RHEL10.0 - s390/pkey: Check length in PKEY_VERIFYPROTK ioctl [rhel-10.2.z]
(JIRA:RHEL-222503)

* RHEL10.0 - s390/pkey: Check length in pkey_pckmo handler implementation
[rhel-10.2.z] (JIRA:RHEL-222505)

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.

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CVE-2024-53143
CVE-2025-71072: Detection of Error Condition Without Action (CWE-390)
CVE-2026-23415: Time-of-check Time-of-use (TOCTOU) Race Condition (CWE-367)
CVE-2026-31488: Improper Validation of Consistency within Input (CWE-1288)
CVE-2026-52923: Expired Pointer Dereference (CWE-825)
CVE-2026-64368: Access of Uninitialized Pointer (CWE-824)
CVE-2026-64531: Improper Handling of Length Parameter Inconsistency (CWE-130)