RHSA-2026:52667 — Security Advisory

Red Hat Security Advisory: kernel security, bug fix, and enhancement update

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Severity

Important

Red Hat Product Security

RHEL 9

Products

Official CSAF product identity

Published · August 10, 2026

Updated · October 29, 2026

Topic

An update for kernel is now available for Red Hat Enterprise Linux 9.6 Extended Update Support.

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.

Description

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

Security Fix(es):

kernel: crypto: seqiv - Do not use req->iv after crypto_aead_encrypt (CVE-2025-71131)
kernel: selinux: fix overlayfs mmap() and mprotect() access checks (CVE-2026-46054)
kernel: drm/xe: Fix error cleanup in xe_exec_queue_create_ioctl() (CVE-2026-52976)

Bug Fix(es) and Enhancement(s):

RHEL9.4 - dasd: Fix PPRC copy pair swap state and format information. [rhel-9.6.z] (JIRA:RHEL-176469)
[xfstests xfs/017] xfs_repair fails and hit XFS: Assertion failed: 0, file: fs/xfs/xfs_icache.c, line: 1840 [rhel-9.6.z] (JIRA:RHEL-188771)
nfs: backport patch which checks delegation validity in nfs_start_delegation_return_locked to RHEL 9 [rhel-9.6.z] (JIRA:RHEL-212042)

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.