RHSA-2026:71213 — Security Advisory

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

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Severity

Important

Red Hat Product Security

RHEL 8

Products

Official CSAF product identity

Published · September 24, 2026

Updated · November 2, 2026

Topic

An update for kernel is now available for Red Hat Enterprise Linux 8.

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/amdgpu: Fix use-after-free race in VM acquire (CVE-2026-43370)
kernel: mac802154: llsec: add skb_cow_data() before in-place crypto (CVE-2026-63831)
kernel: sctp: don't free the ASCONF's own transport in DEL-IP processing (CVE-2026-64564)
kernel: ASoC: SOF: ipc3-control: Validate size in snd_sof_update_control (CVE-2026-72261)
kernel: xfrm: ah6: validate routing header segments_left (CVE-2026-80844)
kernel: net: tun: bound receive headroom (CVE-2026-81000)
kernel: scsi: qla2xxx: Bound rsp_info_len to avoid OOB sense-data read (CVE-2026-89846)

Bug Fix(es) and Enhancement(s):

sctp: prevent peer transport count overflow [rhel-8.10.z] (JIRA:RHEL-216297)

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.