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RLSA-2026:53329

RLSA-2026:53329 · Important: kernel security, bug fix, and enhancement update

This page contains facts from public vulnerability sources. Check the original advisory before updating.

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: cxl/port: Fix use after free of parent_port in cxl_detach_ep() (CVE-2026-31530) * kernel: xen: AMD Zen 2 Processors: Privilege escalation via improper CPU cache isolation (CVE-2025-54518) * 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-9.8.z] (JIRA:Rocky Linux-213036) * Rocky Linux9.4 - s390/pkey: Check length in pkey_pckmo handler implementation [rhel-9.8.z] (JIRA:Rocky Linux-215578) * Rocky Linux9.4 - s390/pkey: Check length in PKEY_VERIFYPROTK ioctl [rhel-9.8.z] (JIRA:Rocky Linux-215580) * cifs: periodic IO errors when rename races with lease break (JIRA:Rocky Linux-192999) 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.

CVSS 7.8 · High · Fix available

Published
Updated

Stack: system

Affected products and versions

  • kernel Rocky Linux:9

    Affected ranges
    • ECOSYSTEM: < 0:5.14.0-687.38.1.el9_8

    Update to 0:5.14.0-687.38.1.el9_8

Original sources

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