Home / mailings [RHSA-2023:1557-01] Important: kernel security and bug fix update
Posted on 04 April 2023
RedHat===================================================================== Red Hat Security Advisory
Synopsis: Important: kernel security and bug fix update
Advisory ID: RHSA-2023:1557-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2023:1557
Issue date: 2023-04-04
CVE Names: CVE-2023-0266 CVE-2023-0461
=====================================================================
1. Summary:
An update for kernel is now available for Red Hat Enterprise Linux 8.4
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.
2. Relevant releases/architectures:
Red Hat CodeReady Linux Builder EUS (v. 8.4) - aarch64, ppc64le, x86_64
Red Hat Enterprise Linux BaseOS EUS (v.8.4) - 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):
* ALSA: pcm: Move rwsem lock inside snd_ctl_elem_read to prevent UAF
(CVE-2023-0266)
* kernel: net/ulp: use-after-free in listening ULP sockets (CVE-2023-0461)
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):
* RHEL8.4 - s390/kexec: fix ipl report address for kdump (BZ#2166298)
* Windows Server 2019 guest randomly pauses with "KVM: entry failed,
hardware error 0x80000021" (BZ#2166370)
* net/mlx5e: Fix use-after-free when reverting termination table
(BZ#2167642)
* net/ice: OP_SET_RSS_HENA command not supported with in-tree driver
(BZ#2167712)
* Backport Request for locking/rwsem commits (BZ#2170941)
* ipv6 traffic stop when an sriov vf have ipv6 address (BZ#2172552)
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/):
2163379 - CVE-2023-0266 ALSA: pcm: Move rwsem lock inside snd_ctl_elem_read to prevent UAF
2176192 - CVE-2023-0461 kernel: net/ulp: use-after-free in listening ULP sockets
6. Package List:
Red Hat Enterprise Linux BaseOS EUS (v.8.4):
Source:
kernel-4.18.0-305.86.2.el8_4.src.rpm
aarch64:
bpftool-4.18.0-305.86.2.el8_4.aarch64.rpm
bpftool-debuginfo-4.18.0-305.86.2.el8_4.aarch64.rpm
kernel-4.18.0-305.86.2.el8_4.aarch64.rpm
kernel-core-4.18.0-305.86.2.el8_4.aarch64.rpm
kernel-cross-headers-4.18.0-305.86.2.el8_4.aarch64.rpm
kernel-debug-4.18.0-305.86.2.el8_4.aarch64.rpm
kernel-debug-core-4.18.0-305.86.2.el8_4.aarch64.rpm
kernel-debug-debuginfo-4.18.0-305.86.2.el8_4.aarch64.rpm
kernel-debug-devel-4.18.0-305.86.2.el8_4.aarch64.rpm
kernel-debug-modules-4.18.0-305.86.2.el8_4.aarch64.rpm
kernel-debug-modules-extra-4.18.0-305.86.2.el8_4.aarch64.rpm
kernel-debuginfo-4.18.0-305.86.2.el8_4.aarch64.rpm
kernel-debuginfo-common-aarch64-4.18.0-305.86.2.el8_4.aarch64.rpm
kernel-devel-4.18.0-305.86.2.el8_4.aarch64.rpm
kernel-headers-4.18.0-305.86.2.el8_4.aarch64.rpm
kernel-modules-4.18.0-305.86.2.el8_4.aarch64.rpm
kernel-modules-extra-4.18.0-305.86.2.el8_4.aarch64.rpm
kernel-tools-4.18.0-305.86.2.el8_4.aarch64.rpm
kernel-tools-debuginfo-4.18.0-305.86.2.el8_4.aarch64.rpm
kernel-tools-libs-4.18.0-305.86.2.el8_4.aarch64.rpm
perf-4.18.0-305.86.2.el8_4.aarch64.rpm
perf-debuginfo-4.18.0-305.86.2.el8_4.aarch64.rpm
python3-perf-4.18.0-305.86.2.el8_4.aarch64.rpm
python3-perf-debuginfo-4.18.0-305.86.2.el8_4.aarch64.rpm
noarch:
kernel-abi-stablelists-4.18.0-305.86.2.el8_4.noarch.rpm
kernel-doc-4.18.0-305.86.2.el8_4.noarch.rpm
ppc64le:
bpftool-4.18.0-305.86.2.el8_4.ppc64le.rpm
bpftool-debuginfo-4.18.0-305.86.2.el8_4.ppc64le.rpm
kernel-4.18.0-305.86.2.el8_4.ppc64le.rpm
kernel-core-4.18.0-305.86.2.el8_4.ppc64le.rpm
kernel-cross-headers-4.18.0-305.86.2.el8_4.ppc64le.rpm
kernel-debug-4.18.0-305.86.2.el8_4.ppc64le.rpm
kernel-debug-core-4.18.0-305.86.2.el8_4.ppc64le.rpm
kernel-debug-debuginfo-4.18.0-305.86.2.el8_4.ppc64le.rpm
kernel-debug-devel-4.18.0-305.86.2.el8_4.ppc64le.rpm
kernel-debug-modules-4.18.0-305.86.2.el8_4.ppc64le.rpm
kernel-debug-modules-extra-4.18.0-305.86.2.el8_4.ppc64le.rpm
kernel-debuginfo-4.18.0-305.86.2.el8_4.ppc64le.rpm
kernel-debuginfo-common-ppc64le-4.18.0-305.86.2.el8_4.ppc64le.rpm
kernel-devel-4.18.0-305.86.2.el8_4.ppc64le.rpm
kernel-headers-4.18.0-305.86.2.el8_4.ppc64le.rpm
kernel-modules-4.18.0-305.86.2.el8_4.ppc64le.rpm
kernel-modules-extra-4.18.0-305.86.2.el8_4.ppc64le.rpm
kernel-tools-4.18.0-305.86.2.el8_4.ppc64le.rpm
kernel-tools-debuginfo-4.18.0-305.86.2.el8_4.ppc64le.rpm
kernel-tools-libs-4.18.0-305.86.2.el8_4.ppc64le.rpm
perf-4.18.0-305.86.2.el8_4.ppc64le.rpm
perf-debuginfo-4.18.0-305.86.2.el8_4.ppc64le.rpm
python3-perf-4.18.0-305.86.2.el8_4.ppc64le.rpm
python3-perf-debuginfo-4.18.0-305.86.2.el8_4.ppc64le.rpm
s390x:
bpftool-4.18.0-305.86.2.el8_4.s390x.rpm
bpftool-debuginfo-4.18.0-305.86.2.el8_4.s390x.rpm
kernel-4.18.0-305.86.2.el8_4.s390x.rpm
kernel-core-4.18.0-305.86.2.el8_4.s390x.rpm
kernel-cross-headers-4.18.0-305.86.2.el8_4.s390x.rpm
kernel-debug-4.18.0-305.86.2.el8_4.s390x.rpm
kernel-debug-core-4.18.0-305.86.2.el8_4.s390x.rpm
kernel-debug-debuginfo-4.18.0-305.86.2.el8_4.s390x.rpm
kernel-debug-devel-4.18.0-305.86.2.el8_4.s390x.rpm
kernel-debug-modules-4.18.0-305.86.2.el8_4.s390x.rpm
kernel-debug-modules-extra-4.18.0-305.86.2.el8_4.s390x.rpm
kernel-debuginfo-4.18.0-305.86.2.el8_4.s390x.rpm
kernel-debuginfo-common-s390x-4.18.0-305.86.2.el8_4.s390x.rpm
kernel-devel-4.18.0-305.86.2.el8_4.s390x.rpm
kernel-headers-4.18.0-305.86.2.el8_4.s390x.rpm
kernel-modules-4.18.0-305.86.2.el8_4.s390x.rpm
kernel-modules-extra-4.18.0-305.86.2.el8_4.s390x.rpm
kernel-tools-4.18.0-305.86.2.el8_4.s390x.rpm
kernel-tools-debuginfo-4.18.0-305.86.2.el8_4.s390x.rpm
kernel-zfcpdump-4.18.0-305.86.2.el8_4.s390x.rpm
kernel-zfcpdump-core-4.18.0-305.86.2.el8_4.s390x.rpm
kernel-zfcpdump-debuginfo-4.18.0-305.86.2.el8_4.s390x.rpm
kernel-zfcpdump-devel-4.18.0-305.86.2.el8_4.s390x.rpm
kernel-zfcpdump-modules-4.18.0-305.86.2.el8_4.s390x.rpm
kernel-zfcpdump-modules-extra-4.18.0-305.86.2.el8_4.s390x.rpm
perf-4.18.0-305.86.2.el8_4.s390x.rpm
perf-debuginfo-4.18.0-305.86.2.el8_4.s390x.rpm
python3-perf-4.18.0-305.86.2.el8_4.s390x.rpm
python3-perf-debuginfo-4.18.0-305.86.2.el8_4.s390x.rpm
x86_64:
bpftool-4.18.0-305.86.2.el8_4.x86_64.rpm
bpftool-debuginfo-4.18.0-305.86.2.el8_4.x86_64.rpm
kernel-4.18.0-305.86.2.el8_4.x86_64.rpm
kernel-core-4.18.0-305.86.2.el8_4.x86_64.rpm
kernel-cross-headers-4.18.0-305.86.2.el8_4.x86_64.rpm
kernel-debug-4.18.0-305.86.2.el8_4.x86_64.rpm
kernel-debug-core-4.18.0-305.86.2.el8_4.x86_64.rpm
kernel-debug-debuginfo-4.18.0-305.86.2.el8_4.x86_64.rpm
kernel-debug-devel-4.18.0-305.86.2.el8_4.x86_64.rpm
kernel-debug-modules-4.18.0-305.86.2.el8_4.x86_64.rpm
kernel-debug-modules-extra-4.18.0-305.86.2.el8_4.x86_64.rpm
kernel-debuginfo-4.18.0-305.86.2.el8_4.x86_64.rpm
kernel-debuginfo-common-x86_64-4.18.0-305.86.2.el8_4.x86_64.rpm
kernel-devel-4.18.0-305.86.2.el8_4.x86_64.rpm
kernel-headers-4.18.0-305.86.2.el8_4.x86_64.rpm
kernel-modules-4.18.0-305.86.2.el8_4.x86_64.rpm
kernel-modules-extra-4.18.0-305.86.2.el8_4.x86_64.rpm
kernel-tools-4.18.0-305.86.2.el8_4.x86_64.rpm
kernel-tools-debuginfo-4.18.0-305.86.2.el8_4.x86_64.rpm
kernel-tools-libs-4.18.0-305.86.2.el8_4.x86_64.rpm
perf-4.18.0-305.86.2.el8_4.x86_64.rpm
perf-debuginfo-4.18.0-305.86.2.el8_4.x86_64.rpm
python3-perf-4.18.0-305.86.2.el8_4.x86_64.rpm
python3-perf-debuginfo-4.18.0-305.86.2.el8_4.x86_64.rpm
Red Hat CodeReady Linux Builder EUS (v. 8.4):
aarch64:
bpftool-debuginfo-4.18.0-305.86.2.el8_4.aarch64.rpm
kernel-debug-debuginfo-4.18.0-305.86.2.el8_4.aarch64.rpm
kernel-debuginfo-4.18.0-305.86.2.el8_4.aarch64.rpm
kernel-debuginfo-common-aarch64-4.18.0-305.86.2.el8_4.aarch64.rpm
kernel-tools-debuginfo-4.18.0-305.86.2.el8_4.aarch64.rpm
kernel-tools-libs-devel-4.18.0-305.86.2.el8_4.aarch64.rpm
perf-debuginfo-4.18.0-305.86.2.el8_4.aarch64.rpm
python3-perf-debuginfo-4.18.0-305.86.2.el8_4.aarch64.rpm
ppc64le:
bpftool-debuginfo-4.18.0-305.86.2.el8_4.ppc64le.rpm
kernel-debug-debuginfo-4.18.0-305.86.2.el8_4.ppc64le.rpm
kernel-debuginfo-4.18.0-305.86.2.el8_4.ppc64le.rpm
kernel-debuginfo-common-ppc64le-4.18.0-305.86.2.el8_4.ppc64le.rpm
kernel-tools-debuginfo-4.18.0-305.86.2.el8_4.ppc64le.rpm
kernel-tools-libs-devel-4.18.0-305.86.2.el8_4.ppc64le.rpm
perf-debuginfo-4.18.0-305.86.2.el8_4.ppc64le.rpm
python3-perf-debuginfo-4.18.0-305.86.2.el8_4.ppc64le.rpm
x86_64:
bpftool-debuginfo-4.18.0-305.86.2.el8_4.x86_64.rpm
kernel-debug-debuginfo-4.18.0-305.86.2.el8_4.x86_64.rpm
kernel-debuginfo-4.18.0-305.86.2.el8_4.x86_64.rpm
kernel-debuginfo-common-x86_64-4.18.0-305.86.2.el8_4.x86_64.rpm
kernel-tools-debuginfo-4.18.0-305.86.2.el8_4.x86_64.rpm
kernel-tools-libs-devel-4.18.0-305.86.2.el8_4.x86_64.rpm
perf-debuginfo-4.18.0-305.86.2.el8_4.x86_64.rpm
python3-perf-debuginfo-4.18.0-305.86.2.el8_4.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-2023-0266
https://access.redhat.com/security/cve/CVE-2023-0461
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.
