RHSA-2026:47739 — 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 · July 30, 2026

Updated · October 30, 2026

Topic

An update for kernel is now available for Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions.

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: drm/amd/display: Do not skip unrelated mode changes in DSC validation (CVE-2026-31488)
kernel: net: sched: act_csum: validate nested VLAN headers (CVE-2026-31684)
kernel: xfrm: defensively unhash xfrm_state lists in __xfrm_state_delete (CVE-2026-46116)
kernel: drm/gem: Fix inconsistent plane dimension calculation in drm_gem_fb_init_with_funcs() (CVE-2026-46209)

Bug Fix(es) and Enhancement(s):

[RHEL-9] Performance impact of CVE-2025-38085 (JIRA:RHEL-161143)
NVMe-FC: Panic during NVMe Controller Reset tests (JIRA:RHEL-178451)

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.