RHSA-2026:59662 — 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 26, 2026

Updated · November 3, 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: net: atm: fix crash due to unvalidated vcc pointer in sigd_send() (CVE-2026-31411)
kernel: fs/smb/client: fix out-of-bounds read in cifs_sanitize_prepath (CVE-2026-43112)
kernel: net: ipv6: fix NOREF dst use in seg6 and rpl lwtunnels (CVE-2026-46099)
kernel: dm log: fix out-of-bounds write due to region_count overflow (CVE-2026-53059)

Bug Fix(es) and Enhancement(s):

[RHEL 9] Bonding reports unknown speed/duplex for tg3 interface (JIRA:RHEL-182765)
vhost: reset the vring metadata cache on vring reconfiguration (JIRA:RHEL-224546)

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.