RHSA-2023:1557: Important: kernel security and bug fix update
Published Apr 4, 2023
·Updated
The kernel packages contain the Linux kernel, the core of any Linux operating system.Security Fix(es): ALSA: pcm: Move rwsem lock inside sndctlelemread 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: OPSETRSSHENA 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)
Affected Software
105 affected componentsFixes available
redhat/kernel<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/bpftool<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/bpftool-debuginfo<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-abi-stablelists<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-core<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-cross-headers<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-debug<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-debug-core<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-debug-debuginfo<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-debug-devel<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-debug-modules<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-debug-modules-extra<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-debuginfo<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-devel<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-doc<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-headers<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-modules<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-modules-extra<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-tools<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-tools-debuginfo<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-tools-libs<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/perf<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/perf-debuginfo<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/python3-perf<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/python3-perf-debuginfo<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/bpftool<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/bpftool-debuginfo<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-core<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-cross-headers<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-debug<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-debug-core<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-debug-debuginfo<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-debug-devel<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-debug-modules<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-debug-modules-extra<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-debuginfo<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-debuginfo-common-s390x<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-devel<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-headers<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-modules<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-modules-extra<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-tools<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-tools-debuginfo<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-zfcpdump<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-zfcpdump-core<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-zfcpdump-debuginfo<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-zfcpdump-devel<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-zfcpdump-modules<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-zfcpdump-modules-extra<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/perf<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/perf-debuginfo<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/python3-perf<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/python3-perf-debuginfo<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/bpftool<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/bpftool-debuginfo<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-core<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-cross-headers<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-debug<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-debug-core<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-debug-debuginfo<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-debug-devel<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-debug-modules<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-debug-modules-extra<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-debuginfo<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-debuginfo-common-ppc64le<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-devel<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-headers<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-modules<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-modules-extra<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-tools<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-tools-debuginfo<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-tools-libs<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/perf<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/perf-debuginfo<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/python3-perf<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/python3-perf-debuginfo<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/bpftool<4.18.0-305.86.2.el8_4.aa
4.18.0-305.86.2.el8_4.aa
redhat/bpftool-debuginfo<4.18.0-305.86.2.el8_4.aa
4.18.0-305.86.2.el8_4.aa
redhat/kernel<4.18.0-305.86.2.el8_4.aa
4.18.0-305.86.2.el8_4.aa
redhat/kernel-core<4.18.0-305.86.2.el8_4.aa
4.18.0-305.86.2.el8_4.aa
redhat/kernel-cross-headers<4.18.0-305.86.2.el8_4.aa
4.18.0-305.86.2.el8_4.aa
redhat/kernel-debug<4.18.0-305.86.2.el8_4.aa
4.18.0-305.86.2.el8_4.aa
redhat/kernel-debug-core<4.18.0-305.86.2.el8_4.aa
4.18.0-305.86.2.el8_4.aa
redhat/kernel-debug-debuginfo<4.18.0-305.86.2.el8_4.aa
4.18.0-305.86.2.el8_4.aa
redhat/kernel-debug-devel<4.18.0-305.86.2.el8_4.aa
4.18.0-305.86.2.el8_4.aa
redhat/kernel-debug-modules<4.18.0-305.86.2.el8_4.aa
4.18.0-305.86.2.el8_4.aa
redhat/kernel-debug-modules-extra<4.18.0-305.86.2.el8_4.aa
4.18.0-305.86.2.el8_4.aa
redhat/kernel-debuginfo<4.18.0-305.86.2.el8_4.aa
4.18.0-305.86.2.el8_4.aa
redhat/kernel-debuginfo-common-aarch64<4.18.0-305.86.2.el8_4.aa
4.18.0-305.86.2.el8_4.aa
redhat/kernel-devel<4.18.0-305.86.2.el8_4.aa
4.18.0-305.86.2.el8_4.aa
redhat/kernel-headers<4.18.0-305.86.2.el8_4.aa
4.18.0-305.86.2.el8_4.aa
redhat/kernel-modules<4.18.0-305.86.2.el8_4.aa
4.18.0-305.86.2.el8_4.aa
redhat/kernel-modules-extra<4.18.0-305.86.2.el8_4.aa
4.18.0-305.86.2.el8_4.aa
redhat/kernel-tools<4.18.0-305.86.2.el8_4.aa
4.18.0-305.86.2.el8_4.aa
redhat/kernel-tools-debuginfo<4.18.0-305.86.2.el8_4.aa
4.18.0-305.86.2.el8_4.aa
redhat/kernel-tools-libs<4.18.0-305.86.2.el8_4.aa
4.18.0-305.86.2.el8_4.aa
redhat/perf<4.18.0-305.86.2.el8_4.aa
4.18.0-305.86.2.el8_4.aa
redhat/perf-debuginfo<4.18.0-305.86.2.el8_4.aa
4.18.0-305.86.2.el8_4.aa
redhat/python3-perf<4.18.0-305.86.2.el8_4.aa
4.18.0-305.86.2.el8_4.aa
redhat/python3-perf-debuginfo<4.18.0-305.86.2.el8_4.aa
4.18.0-305.86.2.el8_4.aa
redhat/kernel-tools-libs-devel<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-tools-libs-devel<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-tools-libs-devel<4.18.0-305.86.2.el8_4.aa
4.18.0-305.86.2.el8_4.aa
Remediation
Event History
Apr 4, 2023
Advisory Published
via Red Hat·12:00 AM
Frequently Asked Questions
1
What is the severity of RHSA-2023:1557?
The severity of RHSA-2023:1557 is classified as important.
2
How do I fix RHSA-2023:1557?
To fix RHSA-2023:1557, update your kernel packages to version 4.18.0-305.86.2.el8_4.
3
What vulnerabilities are addressed in RHSA-2023:1557?
RHSA-2023:1557 addresses a use-after-free vulnerability in the kernel related to ALSA and ULP sockets.
4
Which packages are affected by RHSA-2023:1557?
The affected packages include kernel, bpftool, kernel-core, and others in version 4.18.0-305.86.2.el8_4.
5
Is it safe to continue using affected software listed in RHSA-2023:1557?
No, it is not safe to continue using the affected software; prompt updates are recommended to mitigate potential risks.