Issued:: 2023-03-27
Updated:: 2023-03-27

RHSA-2023:1468 - Important: kernel security, bug fix, and enhancement update

Synopsis

Important: kernel security, bug fix, and enhancement update

Type/Severity

Security Advisory Important

Topic

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.

Description

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)

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

The system must be rebooted for this update to take effect.

Affected Products

Product	Version	Arch
Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions	9.0	x86_64
Red Hat Enterprise Linux for x86_64 - Extended Update Support	9.0	x86_64
Red Hat Enterprise Linux for Power, little endian - Extended Update Support	9.0	ppc64le
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support	9.0	s390x
Red Hat Enterprise Linux for IBM z Systems - 4 years of updates	9.0	s390x
Red Hat Enterprise Linux for ARM 64 - Extended Update Support	9.0	aarch64
Red Hat Enterprise Linux for ARM 64 - 4 years of updates	9.0	aarch64
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions	9.0	ppc64le
Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support	9.0	x86_64
Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support	9.0	ppc64le
Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support	9.0	s390x
Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support	9.0	aarch64

Updated Packages

kernel-devel-matched-5.14.0-70.50.2.el9_0.x86_64.rpm
kernel-debug-devel-matched-5.14.0-70.50.2.el9_0.s390x.rpm
kernel-devel-matched-5.14.0-70.50.2.el9_0.ppc64le.rpm
bpftool-debuginfo-5.14.0-70.50.2.el9_0.x86_64.rpm
kernel-devel-5.14.0-70.50.2.el9_0.x86_64.rpm
kernel-modules-extra-5.14.0-70.50.2.el9_0.x86_64.rpm
kernel-debug-modules-extra-5.14.0-70.50.2.el9_0.aarch64.rpm
kernel-devel-matched-5.14.0-70.50.2.el9_0.s390x.rpm
kernel-modules-extra-5.14.0-70.50.2.el9_0.s390x.rpm
kernel-5.14.0-70.50.2.el9_0.src.rpm
kernel-modules-extra-5.14.0-70.50.2.el9_0.ppc64le.rpm
kernel-modules-5.14.0-70.50.2.el9_0.s390x.rpm
kernel-debug-modules-5.14.0-70.50.2.el9_0.aarch64.rpm
perf-debuginfo-5.14.0-70.50.2.el9_0.s390x.rpm
perf-5.14.0-70.50.2.el9_0.aarch64.rpm
kernel-tools-5.14.0-70.50.2.el9_0.s390x.rpm
kernel-debuginfo-common-s390x-5.14.0-70.50.2.el9_0.s390x.rpm
kernel-devel-5.14.0-70.50.2.el9_0.aarch64.rpm
kernel-debuginfo-5.14.0-70.50.2.el9_0.aarch64.rpm
bpftool-5.14.0-70.50.2.el9_0.s390x.rpm
kernel-debug-modules-extra-5.14.0-70.50.2.el9_0.x86_64.rpm
python3-perf-5.14.0-70.50.2.el9_0.ppc64le.rpm
kernel-headers-5.14.0-70.50.2.el9_0.aarch64.rpm
kernel-modules-5.14.0-70.50.2.el9_0.x86_64.rpm
kernel-tools-libs-5.14.0-70.50.2.el9_0.x86_64.rpm
kernel-debug-modules-5.14.0-70.50.2.el9_0.ppc64le.rpm
bpftool-5.14.0-70.50.2.el9_0.aarch64.rpm
python3-perf-debuginfo-5.14.0-70.50.2.el9_0.aarch64.rpm
kernel-debug-5.14.0-70.50.2.el9_0.aarch64.rpm
perf-5.14.0-70.50.2.el9_0.s390x.rpm
python3-perf-5.14.0-70.50.2.el9_0.x86_64.rpm
bpftool-debuginfo-5.14.0-70.50.2.el9_0.ppc64le.rpm
kernel-debug-devel-5.14.0-70.50.2.el9_0.x86_64.rpm
kernel-core-5.14.0-70.50.2.el9_0.x86_64.rpm
kernel-zfcpdump-modules-extra-5.14.0-70.50.2.el9_0.s390x.rpm
kernel-debug-core-5.14.0-70.50.2.el9_0.s390x.rpm
kernel-zfcpdump-modules-5.14.0-70.50.2.el9_0.s390x.rpm
kernel-zfcpdump-devel-matched-5.14.0-70.50.2.el9_0.s390x.rpm
kernel-debug-devel-5.14.0-70.50.2.el9_0.s390x.rpm
kernel-debug-debuginfo-5.14.0-70.50.2.el9_0.ppc64le.rpm
kernel-debug-devel-matched-5.14.0-70.50.2.el9_0.ppc64le.rpm
kernel-debug-5.14.0-70.50.2.el9_0.ppc64le.rpm
kernel-debug-devel-matched-5.14.0-70.50.2.el9_0.x86_64.rpm
kernel-cross-headers-5.14.0-70.50.2.el9_0.ppc64le.rpm
kernel-tools-5.14.0-70.50.2.el9_0.x86_64.rpm
perf-5.14.0-70.50.2.el9_0.x86_64.rpm
kernel-cross-headers-5.14.0-70.50.2.el9_0.aarch64.rpm
kernel-tools-libs-5.14.0-70.50.2.el9_0.aarch64.rpm
kernel-debug-modules-5.14.0-70.50.2.el9_0.s390x.rpm
bpftool-5.14.0-70.50.2.el9_0.x86_64.rpm
kernel-doc-5.14.0-70.50.2.el9_0.noarch.rpm
kernel-tools-debuginfo-5.14.0-70.50.2.el9_0.ppc64le.rpm
kernel-devel-5.14.0-70.50.2.el9_0.s390x.rpm
python3-perf-5.14.0-70.50.2.el9_0.s390x.rpm
kernel-headers-5.14.0-70.50.2.el9_0.s390x.rpm
perf-5.14.0-70.50.2.el9_0.ppc64le.rpm
kernel-core-5.14.0-70.50.2.el9_0.s390x.rpm
kernel-debuginfo-common-x86_64-5.14.0-70.50.2.el9_0.x86_64.rpm
kernel-tools-5.14.0-70.50.2.el9_0.aarch64.rpm
kernel-tools-libs-devel-5.14.0-70.50.2.el9_0.ppc64le.rpm
kernel-debuginfo-5.14.0-70.50.2.el9_0.s390x.rpm
kernel-tools-libs-devel-5.14.0-70.50.2.el9_0.x86_64.rpm
perf-debuginfo-5.14.0-70.50.2.el9_0.ppc64le.rpm
kernel-core-5.14.0-70.50.2.el9_0.ppc64le.rpm
kernel-debug-devel-5.14.0-70.50.2.el9_0.ppc64le.rpm
kernel-5.14.0-70.50.2.el9_0.x86_64.rpm
kernel-debuginfo-common-ppc64le-5.14.0-70.50.2.el9_0.ppc64le.rpm
kernel-debug-modules-5.14.0-70.50.2.el9_0.x86_64.rpm
bpftool-5.14.0-70.50.2.el9_0.ppc64le.rpm
kernel-5.14.0-70.50.2.el9_0.aarch64.rpm
kernel-abi-stablelists-5.14.0-70.50.2.el9_0.noarch.rpm
kernel-zfcpdump-debuginfo-5.14.0-70.50.2.el9_0.s390x.rpm
kernel-core-5.14.0-70.50.2.el9_0.aarch64.rpm
kernel-modules-5.14.0-70.50.2.el9_0.ppc64le.rpm
kernel-debug-modules-extra-5.14.0-70.50.2.el9_0.s390x.rpm
kernel-headers-5.14.0-70.50.2.el9_0.ppc64le.rpm
kernel-debug-core-5.14.0-70.50.2.el9_0.aarch64.rpm
kernel-modules-extra-5.14.0-70.50.2.el9_0.aarch64.rpm
kernel-debug-devel-matched-5.14.0-70.50.2.el9_0.aarch64.rpm
perf-debuginfo-5.14.0-70.50.2.el9_0.aarch64.rpm
kernel-debug-devel-5.14.0-70.50.2.el9_0.aarch64.rpm
kernel-debug-modules-extra-5.14.0-70.50.2.el9_0.ppc64le.rpm
kernel-devel-matched-5.14.0-70.50.2.el9_0.aarch64.rpm
kernel-tools-libs-devel-5.14.0-70.50.2.el9_0.aarch64.rpm
kernel-zfcpdump-devel-5.14.0-70.50.2.el9_0.s390x.rpm
python3-perf-debuginfo-5.14.0-70.50.2.el9_0.ppc64le.rpm
kernel-zfcpdump-core-5.14.0-70.50.2.el9_0.s390x.rpm
kernel-tools-libs-5.14.0-70.50.2.el9_0.ppc64le.rpm
kernel-debuginfo-5.14.0-70.50.2.el9_0.ppc64le.rpm
kernel-devel-5.14.0-70.50.2.el9_0.ppc64le.rpm
kernel-cross-headers-5.14.0-70.50.2.el9_0.x86_64.rpm
kernel-debug-debuginfo-5.14.0-70.50.2.el9_0.x86_64.rpm
kernel-debuginfo-5.14.0-70.50.2.el9_0.x86_64.rpm
kernel-debug-debuginfo-5.14.0-70.50.2.el9_0.s390x.rpm
kernel-debug-core-5.14.0-70.50.2.el9_0.ppc64le.rpm
kernel-tools-debuginfo-5.14.0-70.50.2.el9_0.x86_64.rpm
kernel-tools-5.14.0-70.50.2.el9_0.ppc64le.rpm
python3-perf-5.14.0-70.50.2.el9_0.aarch64.rpm
python3-perf-debuginfo-5.14.0-70.50.2.el9_0.x86_64.rpm
kernel-5.14.0-70.50.2.el9_0.s390x.rpm
kernel-tools-debuginfo-5.14.0-70.50.2.el9_0.aarch64.rpm
perf-debuginfo-5.14.0-70.50.2.el9_0.x86_64.rpm
kernel-debug-debuginfo-5.14.0-70.50.2.el9_0.aarch64.rpm
bpftool-debuginfo-5.14.0-70.50.2.el9_0.s390x.rpm
kernel-zfcpdump-5.14.0-70.50.2.el9_0.s390x.rpm
bpftool-debuginfo-5.14.0-70.50.2.el9_0.aarch64.rpm
kernel-headers-5.14.0-70.50.2.el9_0.x86_64.rpm
kernel-5.14.0-70.50.2.el9_0.ppc64le.rpm
kernel-cross-headers-5.14.0-70.50.2.el9_0.s390x.rpm
kernel-debug-5.14.0-70.50.2.el9_0.s390x.rpm
kernel-debuginfo-common-aarch64-5.14.0-70.50.2.el9_0.aarch64.rpm
kernel-modules-5.14.0-70.50.2.el9_0.aarch64.rpm
kernel-debug-5.14.0-70.50.2.el9_0.x86_64.rpm
kernel-tools-debuginfo-5.14.0-70.50.2.el9_0.s390x.rpm
python3-perf-debuginfo-5.14.0-70.50.2.el9_0.s390x.rpm
kernel-debug-core-5.14.0-70.50.2.el9_0.x86_64.rpm

Fixes

This content is not included.BZ - 2156322

CVEs

CVE-2022-4744

References

https://access.redhat.com/security/updates/classification/#important

Additional information

The Red Hat security contact is This content is not included.secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.
Offline Security Data data is available for integration with other systems. See Offline Security Data API to get started.