RHSA-2023:1468 — Security Advisory

An update for kernel is now available for Red Hat Enterprise Linux 9.0 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.

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

Security Fix(es):

• kernel: tun: avoid double free in tun_free_netdev (CVE-2022-4744)

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.

Bug Fix(es):

• RHEL 9.1 Extending NMI watchdog's timer during LPM (BZ#2140086)

• RHEL9.1 Rainer 2gb/4GB LMB: kdump is not working with 2GB/4GB LMB size[FW1030]. (BZ#2151867)

• RHEL9.0 - s390/kexec: fix ipl report address for kdump (BZ#2166904)

• Azure RHEL-9 RMB MANA: RMB Patch To Backport On The Azure Linux Images (BZ#2172876)

Enhancement(s):

• IBM 9.2 FEAT Upgrade the QETH driver to the latest from upstream, e.g. kernel 6.0 (BZ#2166305)