Issued at: 2026-08-12
Updated at: 2026-08-13
Advisory content derived from Red Hat RHSA-2026:53330, © Red Hat, Inc., used under CC BY 4.0, with modifications.
Synopsis
Important: kernel security, bug fix, and enhancement update
Description
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:Rocky Linux-213035)
* Rocky Linux10.0 - s390/pkey: Check length in PKEY_VERIFYPROTK ioctl [rhel-10.2.z] (JIRA:Rocky Linux-222503)
* Rocky Linux10.0 - s390/pkey: Check length in pkey_pckmo handler implementation [rhel-10.2.z] (JIRA:Rocky Linux-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.