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=====================================================================
                   Red Hat Security Advisory

Synopsis:          Important: kernel security, bug fix, and enhancement update
Advisory ID:       RHSA-2023:1470-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2023:1470
Issue date:        2023-03-27
CVE Names:         CVE-2022-4269 CVE-2022-4744 CVE-2023-0266 
=====================================================================

1. Summary:

An update for kernel is now available for Red Hat Enterprise Linux 9.

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.

2. Relevant releases/architectures:

Red Hat CodeReady Linux Builder (v. 9) - aarch64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux AppStream (v. 9) - aarch64, noarch, ppc64le, s390x, x86_64
Red Hat Enterprise Linux BaseOS (v. 9) - aarch64, noarch, ppc64le, s390x, x86_64

3. 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)

* ALSA: pcm: Move rwsem lock inside snd_ctl_elem_read to prevent UAF
(CVE-2023-0266)

* kernel: net: CPU soft lockup in TC mirred egress-to-ingress action
(CVE-2022-4269)

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):

* RHEL9.0 - zfcp: fix missing auto port scan and thus missing target ports
(BZ#2127880)

* Cgroups_v2, when creating new cgroup/container, resets the cpu affinity
masks for all usr processes on the system. (BZ#2143766)

* RHEL9.0 - boot: Add secure boot trailer (BZ#2151528)

* kernel-rt-debug: WARNING: possible circular locking dependency detected
(&n->list_lock->&p->pi_lock->&lock->wait_lock) (BZ#2160614)

* Support cpuset.sched_load_balance by changing default CPUset directory
structure (BZ#2161105)

* RHEL9.0 -  s390/kexec: fix ipl report address for kdump (BZ#2166903)

* libgpiod doesn't seem to work with Interphase gpiochip (BZ#2166956)

* Azure RHEL9 scsi: storvsc: Fix swiotlb bounce buffer leak in confidential
VM (BZ#2170227)

Enhancement(s):

* IBM 9.2 FEAT: Upgrade the QETH driver to latest from upstream, e.g.
kernel 6.0 (BZ#2166304)

* Intel 9.2 FEAT SPR CPU: AMX: Improve the init_fpstate setup code
(BZ#2168382)

4. 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.

5. Bugs fixed (https://bugzilla.redhat.com/):

2150272 - CVE-2022-4269 kernel: net: CPU soft lockup in TC mirred egress-to-ingress action
2156322 - CVE-2022-4744 kernel: tun: avoid double free in tun_free_netdev
2163379 - CVE-2023-0266 ALSA: pcm: Move rwsem lock inside snd_ctl_elem_read to prevent UAF

6. Package List:

Red Hat Enterprise Linux AppStream (v. 9):

aarch64:
bpftool-debuginfo-5.14.0-162.22.2.el9_1.aarch64.rpm
kernel-debug-debuginfo-5.14.0-162.22.2.el9_1.aarch64.rpm
kernel-debug-devel-5.14.0-162.22.2.el9_1.aarch64.rpm
kernel-debug-devel-matched-5.14.0-162.22.2.el9_1.aarch64.rpm
kernel-debuginfo-5.14.0-162.22.2.el9_1.aarch64.rpm
kernel-debuginfo-common-aarch64-5.14.0-162.22.2.el9_1.aarch64.rpm
kernel-devel-5.14.0-162.22.2.el9_1.aarch64.rpm
kernel-devel-matched-5.14.0-162.22.2.el9_1.aarch64.rpm
kernel-headers-5.14.0-162.22.2.el9_1.aarch64.rpm
kernel-tools-debuginfo-5.14.0-162.22.2.el9_1.aarch64.rpm
perf-5.14.0-162.22.2.el9_1.aarch64.rpm
perf-debuginfo-5.14.0-162.22.2.el9_1.aarch64.rpm
python3-perf-debuginfo-5.14.0-162.22.2.el9_1.aarch64.rpm

noarch:
kernel-doc-5.14.0-162.22.2.el9_1.noarch.rpm

ppc64le:
bpftool-debuginfo-5.14.0-162.22.2.el9_1.ppc64le.rpm
kernel-debug-debuginfo-5.14.0-162.22.2.el9_1.ppc64le.rpm
kernel-debug-devel-5.14.0-162.22.2.el9_1.ppc64le.rpm
kernel-debug-devel-matched-5.14.0-162.22.2.el9_1.ppc64le.rpm
kernel-debuginfo-5.14.0-162.22.2.el9_1.ppc64le.rpm
kernel-debuginfo-common-ppc64le-5.14.0-162.22.2.el9_1.ppc64le.rpm
kernel-devel-5.14.0-162.22.2.el9_1.ppc64le.rpm
kernel-devel-matched-5.14.0-162.22.2.el9_1.ppc64le.rpm
kernel-headers-5.14.0-162.22.2.el9_1.ppc64le.rpm
kernel-tools-debuginfo-5.14.0-162.22.2.el9_1.ppc64le.rpm
perf-5.14.0-162.22.2.el9_1.ppc64le.rpm
perf-debuginfo-5.14.0-162.22.2.el9_1.ppc64le.rpm
python3-perf-debuginfo-5.14.0-162.22.2.el9_1.ppc64le.rpm

s390x:
bpftool-debuginfo-5.14.0-162.22.2.el9_1.s390x.rpm
kernel-debug-debuginfo-5.14.0-162.22.2.el9_1.s390x.rpm
kernel-debug-devel-5.14.0-162.22.2.el9_1.s390x.rpm
kernel-debug-devel-matched-5.14.0-162.22.2.el9_1.s390x.rpm
kernel-debuginfo-5.14.0-162.22.2.el9_1.s390x.rpm
kernel-debuginfo-common-s390x-5.14.0-162.22.2.el9_1.s390x.rpm
kernel-devel-5.14.0-162.22.2.el9_1.s390x.rpm
kernel-devel-matched-5.14.0-162.22.2.el9_1.s390x.rpm
kernel-headers-5.14.0-162.22.2.el9_1.s390x.rpm
kernel-tools-debuginfo-5.14.0-162.22.2.el9_1.s390x.rpm
kernel-zfcpdump-debuginfo-5.14.0-162.22.2.el9_1.s390x.rpm
kernel-zfcpdump-devel-5.14.0-162.22.2.el9_1.s390x.rpm
kernel-zfcpdump-devel-matched-5.14.0-162.22.2.el9_1.s390x.rpm
perf-5.14.0-162.22.2.el9_1.s390x.rpm
perf-debuginfo-5.14.0-162.22.2.el9_1.s390x.rpm
python3-perf-debuginfo-5.14.0-162.22.2.el9_1.s390x.rpm

x86_64:
bpftool-debuginfo-5.14.0-162.22.2.el9_1.x86_64.rpm
kernel-debug-debuginfo-5.14.0-162.22.2.el9_1.x86_64.rpm
kernel-debug-devel-5.14.0-162.22.2.el9_1.x86_64.rpm
kernel-debug-devel-matched-5.14.0-162.22.2.el9_1.x86_64.rpm
kernel-debuginfo-5.14.0-162.22.2.el9_1.x86_64.rpm
kernel-debuginfo-common-x86_64-5.14.0-162.22.2.el9_1.x86_64.rpm
kernel-devel-5.14.0-162.22.2.el9_1.x86_64.rpm
kernel-devel-matched-5.14.0-162.22.2.el9_1.x86_64.rpm
kernel-headers-5.14.0-162.22.2.el9_1.x86_64.rpm
kernel-tools-debuginfo-5.14.0-162.22.2.el9_1.x86_64.rpm
perf-5.14.0-162.22.2.el9_1.x86_64.rpm
perf-debuginfo-5.14.0-162.22.2.el9_1.x86_64.rpm
python3-perf-debuginfo-5.14.0-162.22.2.el9_1.x86_64.rpm

Red Hat Enterprise Linux BaseOS (v. 9):

Source:
kernel-5.14.0-162.22.2.el9_1.src.rpm

aarch64:
bpftool-5.14.0-162.22.2.el9_1.aarch64.rpm
bpftool-debuginfo-5.14.0-162.22.2.el9_1.aarch64.rpm
kernel-5.14.0-162.22.2.el9_1.aarch64.rpm
kernel-core-5.14.0-162.22.2.el9_1.aarch64.rpm
kernel-debug-5.14.0-162.22.2.el9_1.aarch64.rpm
kernel-debug-core-5.14.0-162.22.2.el9_1.aarch64.rpm
kernel-debug-debuginfo-5.14.0-162.22.2.el9_1.aarch64.rpm
kernel-debug-modules-5.14.0-162.22.2.el9_1.aarch64.rpm
kernel-debug-modules-extra-5.14.0-162.22.2.el9_1.aarch64.rpm
kernel-debuginfo-5.14.0-162.22.2.el9_1.aarch64.rpm
kernel-debuginfo-common-aarch64-5.14.0-162.22.2.el9_1.aarch64.rpm
kernel-modules-5.14.0-162.22.2.el9_1.aarch64.rpm
kernel-modules-extra-5.14.0-162.22.2.el9_1.aarch64.rpm
kernel-tools-5.14.0-162.22.2.el9_1.aarch64.rpm
kernel-tools-debuginfo-5.14.0-162.22.2.el9_1.aarch64.rpm
kernel-tools-libs-5.14.0-162.22.2.el9_1.aarch64.rpm
perf-debuginfo-5.14.0-162.22.2.el9_1.aarch64.rpm
python3-perf-5.14.0-162.22.2.el9_1.aarch64.rpm
python3-perf-debuginfo-5.14.0-162.22.2.el9_1.aarch64.rpm

noarch:
kernel-abi-stablelists-5.14.0-162.22.2.el9_1.noarch.rpm

ppc64le:
bpftool-5.14.0-162.22.2.el9_1.ppc64le.rpm
bpftool-debuginfo-5.14.0-162.22.2.el9_1.ppc64le.rpm
kernel-5.14.0-162.22.2.el9_1.ppc64le.rpm
kernel-core-5.14.0-162.22.2.el9_1.ppc64le.rpm
kernel-debug-5.14.0-162.22.2.el9_1.ppc64le.rpm
kernel-debug-core-5.14.0-162.22.2.el9_1.ppc64le.rpm
kernel-debug-debuginfo-5.14.0-162.22.2.el9_1.ppc64le.rpm
kernel-debug-modules-5.14.0-162.22.2.el9_1.ppc64le.rpm
kernel-debug-modules-extra-5.14.0-162.22.2.el9_1.ppc64le.rpm
kernel-debuginfo-5.14.0-162.22.2.el9_1.ppc64le.rpm
kernel-debuginfo-common-ppc64le-5.14.0-162.22.2.el9_1.ppc64le.rpm
kernel-modules-5.14.0-162.22.2.el9_1.ppc64le.rpm
kernel-modules-extra-5.14.0-162.22.2.el9_1.ppc64le.rpm
kernel-tools-5.14.0-162.22.2.el9_1.ppc64le.rpm
kernel-tools-debuginfo-5.14.0-162.22.2.el9_1.ppc64le.rpm
kernel-tools-libs-5.14.0-162.22.2.el9_1.ppc64le.rpm
perf-debuginfo-5.14.0-162.22.2.el9_1.ppc64le.rpm
python3-perf-5.14.0-162.22.2.el9_1.ppc64le.rpm
python3-perf-debuginfo-5.14.0-162.22.2.el9_1.ppc64le.rpm

s390x:
bpftool-5.14.0-162.22.2.el9_1.s390x.rpm
bpftool-debuginfo-5.14.0-162.22.2.el9_1.s390x.rpm
kernel-5.14.0-162.22.2.el9_1.s390x.rpm
kernel-core-5.14.0-162.22.2.el9_1.s390x.rpm
kernel-debug-5.14.0-162.22.2.el9_1.s390x.rpm
kernel-debug-core-5.14.0-162.22.2.el9_1.s390x.rpm
kernel-debug-debuginfo-5.14.0-162.22.2.el9_1.s390x.rpm
kernel-debug-modules-5.14.0-162.22.2.el9_1.s390x.rpm
kernel-debug-modules-extra-5.14.0-162.22.2.el9_1.s390x.rpm
kernel-debuginfo-5.14.0-162.22.2.el9_1.s390x.rpm
kernel-debuginfo-common-s390x-5.14.0-162.22.2.el9_1.s390x.rpm
kernel-modules-5.14.0-162.22.2.el9_1.s390x.rpm
kernel-modules-extra-5.14.0-162.22.2.el9_1.s390x.rpm
kernel-tools-5.14.0-162.22.2.el9_1.s390x.rpm
kernel-tools-debuginfo-5.14.0-162.22.2.el9_1.s390x.rpm
kernel-zfcpdump-5.14.0-162.22.2.el9_1.s390x.rpm
kernel-zfcpdump-core-5.14.0-162.22.2.el9_1.s390x.rpm
kernel-zfcpdump-debuginfo-5.14.0-162.22.2.el9_1.s390x.rpm
kernel-zfcpdump-modules-5.14.0-162.22.2.el9_1.s390x.rpm
kernel-zfcpdump-modules-extra-5.14.0-162.22.2.el9_1.s390x.rpm
perf-debuginfo-5.14.0-162.22.2.el9_1.s390x.rpm
python3-perf-5.14.0-162.22.2.el9_1.s390x.rpm
python3-perf-debuginfo-5.14.0-162.22.2.el9_1.s390x.rpm

x86_64:
bpftool-5.14.0-162.22.2.el9_1.x86_64.rpm
bpftool-debuginfo-5.14.0-162.22.2.el9_1.x86_64.rpm
kernel-5.14.0-162.22.2.el9_1.x86_64.rpm
kernel-core-5.14.0-162.22.2.el9_1.x86_64.rpm
kernel-debug-5.14.0-162.22.2.el9_1.x86_64.rpm
kernel-debug-core-5.14.0-162.22.2.el9_1.x86_64.rpm
kernel-debug-debuginfo-5.14.0-162.22.2.el9_1.x86_64.rpm
kernel-debug-modules-5.14.0-162.22.2.el9_1.x86_64.rpm
kernel-debug-modules-extra-5.14.0-162.22.2.el9_1.x86_64.rpm
kernel-debuginfo-5.14.0-162.22.2.el9_1.x86_64.rpm
kernel-debuginfo-common-x86_64-5.14.0-162.22.2.el9_1.x86_64.rpm
kernel-modules-5.14.0-162.22.2.el9_1.x86_64.rpm
kernel-modules-extra-5.14.0-162.22.2.el9_1.x86_64.rpm
kernel-tools-5.14.0-162.22.2.el9_1.x86_64.rpm
kernel-tools-debuginfo-5.14.0-162.22.2.el9_1.x86_64.rpm
kernel-tools-libs-5.14.0-162.22.2.el9_1.x86_64.rpm
perf-debuginfo-5.14.0-162.22.2.el9_1.x86_64.rpm
python3-perf-5.14.0-162.22.2.el9_1.x86_64.rpm
python3-perf-debuginfo-5.14.0-162.22.2.el9_1.x86_64.rpm

Red Hat CodeReady Linux Builder (v. 9):

aarch64:
bpftool-debuginfo-5.14.0-162.22.2.el9_1.aarch64.rpm
kernel-cross-headers-5.14.0-162.22.2.el9_1.aarch64.rpm
kernel-debug-debuginfo-5.14.0-162.22.2.el9_1.aarch64.rpm
kernel-debuginfo-5.14.0-162.22.2.el9_1.aarch64.rpm
kernel-debuginfo-common-aarch64-5.14.0-162.22.2.el9_1.aarch64.rpm
kernel-tools-debuginfo-5.14.0-162.22.2.el9_1.aarch64.rpm
kernel-tools-libs-devel-5.14.0-162.22.2.el9_1.aarch64.rpm
perf-debuginfo-5.14.0-162.22.2.el9_1.aarch64.rpm
python3-perf-debuginfo-5.14.0-162.22.2.el9_1.aarch64.rpm

ppc64le:
bpftool-debuginfo-5.14.0-162.22.2.el9_1.ppc64le.rpm
kernel-cross-headers-5.14.0-162.22.2.el9_1.ppc64le.rpm
kernel-debug-debuginfo-5.14.0-162.22.2.el9_1.ppc64le.rpm
kernel-debuginfo-5.14.0-162.22.2.el9_1.ppc64le.rpm
kernel-debuginfo-common-ppc64le-5.14.0-162.22.2.el9_1.ppc64le.rpm
kernel-tools-debuginfo-5.14.0-162.22.2.el9_1.ppc64le.rpm
kernel-tools-libs-devel-5.14.0-162.22.2.el9_1.ppc64le.rpm
perf-debuginfo-5.14.0-162.22.2.el9_1.ppc64le.rpm
python3-perf-debuginfo-5.14.0-162.22.2.el9_1.ppc64le.rpm

s390x:
bpftool-debuginfo-5.14.0-162.22.2.el9_1.s390x.rpm
kernel-cross-headers-5.14.0-162.22.2.el9_1.s390x.rpm
kernel-debug-debuginfo-5.14.0-162.22.2.el9_1.s390x.rpm
kernel-debuginfo-5.14.0-162.22.2.el9_1.s390x.rpm
kernel-debuginfo-common-s390x-5.14.0-162.22.2.el9_1.s390x.rpm
kernel-tools-debuginfo-5.14.0-162.22.2.el9_1.s390x.rpm
kernel-zfcpdump-debuginfo-5.14.0-162.22.2.el9_1.s390x.rpm
perf-debuginfo-5.14.0-162.22.2.el9_1.s390x.rpm
python3-perf-debuginfo-5.14.0-162.22.2.el9_1.s390x.rpm

x86_64:
bpftool-debuginfo-5.14.0-162.22.2.el9_1.x86_64.rpm
kernel-cross-headers-5.14.0-162.22.2.el9_1.x86_64.rpm
kernel-debug-debuginfo-5.14.0-162.22.2.el9_1.x86_64.rpm
kernel-debuginfo-5.14.0-162.22.2.el9_1.x86_64.rpm
kernel-debuginfo-common-x86_64-5.14.0-162.22.2.el9_1.x86_64.rpm
kernel-tools-debuginfo-5.14.0-162.22.2.el9_1.x86_64.rpm
kernel-tools-libs-devel-5.14.0-162.22.2.el9_1.x86_64.rpm
perf-debuginfo-5.14.0-162.22.2.el9_1.x86_64.rpm
python3-perf-debuginfo-5.14.0-162.22.2.el9_1.x86_64.rpm

These packages are GPG signed by Red Hat for security.  Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. References:

https://access.redhat.com/security/cve/CVE-2022-4269
https://access.redhat.com/security/cve/CVE-2022-4744
https://access.redhat.com/security/cve/CVE-2023-0266
https://access.redhat.com/security/updates/classification/#important

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2023 Red Hat, Inc.
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