RHSA-2023:1841: Important: kernel security and bug fix update

Published Apr 18, 2023
·
Updated

The kernel packages contain the Linux kernel, the core of any Linux operating system.Security Fix(es): 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): xfsbuf deadlock between inode deletion and block allocation (aarch64) (BZ#2164266) mlx5:CX6-DX: [IPsec crypto-offload, IPv6, TCP, Tunnel] tcp traffic is broken on IPsec crypto-offload over IPv6 (BZ#2165492) Windows Server 2019 guest randomly pauses with "KVM: entry failed, hardware error 0x80000021" (BZ#2166369) MSFT MANA NET Patch RHEL-8: Fix accessing freed irq affinityhint (BZ#2175252) Ethernet Port Configuration Tool (EPCT) not supported with in-tree ice driver (BZ#2176866) Application Performance impact on cgroup v2 (BZ#2177793) In FIPS mode, kernel does not transition into error state when RCT or APT health tests fail (BZ#2181732)

Affected Software

104 affected componentsFixes available
redhat/kernel<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/bpftool<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/bpftool-debuginfo<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-abi-stablelists<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-core<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-cross-headers<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-debug<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-debug-core<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-debug-devel<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-debug-modules<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-debug-modules-extra<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-debuginfo<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-devel<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-doc<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-headers<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-modules<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-modules-extra<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-tools<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-tools-debuginfo<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-tools-libs<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/perf<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/perf-debuginfo<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/python3-perf<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/python3-perf-debuginfo<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/bpftool<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/bpftool-debuginfo<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-core<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-cross-headers<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-debug<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-debug-core<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-debug-debuginfo<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-debug-devel<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-debug-modules<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-debug-modules-extra<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-debuginfo<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-debuginfo-common-s390x<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-devel<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-headers<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-modules<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-modules-extra<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-tools<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-tools-debuginfo<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-zfcpdump<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-zfcpdump-core<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-zfcpdump-debuginfo<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-zfcpdump-devel<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-zfcpdump-modules<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-zfcpdump-modules-extra<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/perf<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/perf-debuginfo<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/python3-perf<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/python3-perf-debuginfo<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/bpftool<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/bpftool-debuginfo<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-core<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-cross-headers<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-debug<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-debug-core<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-debug-debuginfo<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-debug-devel<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-debug-modules<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-debug-modules-extra<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-debuginfo<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-debuginfo-common-ppc64le<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-devel<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-headers<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-modules<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-modules-extra<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-tools<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-tools-debuginfo<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-tools-libs<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/perf<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/perf-debuginfo<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/python3-perf<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/python3-perf-debuginfo<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/bpftool<4.18.0-372.52.1.el8_6.aa
4.18.0-372.52.1.el8_6.aa
redhat/bpftool-debuginfo<4.18.0-372.52.1.el8_6.aa
4.18.0-372.52.1.el8_6.aa
redhat/kernel<4.18.0-372.52.1.el8_6.aa
4.18.0-372.52.1.el8_6.aa
redhat/kernel-core<4.18.0-372.52.1.el8_6.aa
4.18.0-372.52.1.el8_6.aa
redhat/kernel-cross-headers<4.18.0-372.52.1.el8_6.aa
4.18.0-372.52.1.el8_6.aa
redhat/kernel-debug<4.18.0-372.52.1.el8_6.aa
4.18.0-372.52.1.el8_6.aa
redhat/kernel-debug-core<4.18.0-372.52.1.el8_6.aa
4.18.0-372.52.1.el8_6.aa
redhat/kernel-debug-debuginfo<4.18.0-372.52.1.el8_6.aa
4.18.0-372.52.1.el8_6.aa
redhat/kernel-debug-devel<4.18.0-372.52.1.el8_6.aa
4.18.0-372.52.1.el8_6.aa
redhat/kernel-debug-modules<4.18.0-372.52.1.el8_6.aa
4.18.0-372.52.1.el8_6.aa
redhat/kernel-debug-modules-extra<4.18.0-372.52.1.el8_6.aa
4.18.0-372.52.1.el8_6.aa
redhat/kernel-debuginfo<4.18.0-372.52.1.el8_6.aa
4.18.0-372.52.1.el8_6.aa
redhat/kernel-debuginfo-common-aarch64<4.18.0-372.52.1.el8_6.aa
4.18.0-372.52.1.el8_6.aa
redhat/kernel-devel<4.18.0-372.52.1.el8_6.aa
4.18.0-372.52.1.el8_6.aa
redhat/kernel-headers<4.18.0-372.52.1.el8_6.aa
4.18.0-372.52.1.el8_6.aa
redhat/kernel-modules<4.18.0-372.52.1.el8_6.aa
4.18.0-372.52.1.el8_6.aa
redhat/kernel-modules-extra<4.18.0-372.52.1.el8_6.aa
4.18.0-372.52.1.el8_6.aa
redhat/kernel-tools<4.18.0-372.52.1.el8_6.aa
4.18.0-372.52.1.el8_6.aa
redhat/kernel-tools-debuginfo<4.18.0-372.52.1.el8_6.aa
4.18.0-372.52.1.el8_6.aa
redhat/kernel-tools-libs<4.18.0-372.52.1.el8_6.aa
4.18.0-372.52.1.el8_6.aa
redhat/perf<4.18.0-372.52.1.el8_6.aa
4.18.0-372.52.1.el8_6.aa
redhat/perf-debuginfo<4.18.0-372.52.1.el8_6.aa
4.18.0-372.52.1.el8_6.aa
redhat/python3-perf<4.18.0-372.52.1.el8_6.aa
4.18.0-372.52.1.el8_6.aa
redhat/python3-perf-debuginfo<4.18.0-372.52.1.el8_6.aa
4.18.0-372.52.1.el8_6.aa
redhat/kernel-tools-libs-devel<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-tools-libs-devel<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-tools-libs-devel<4.18.0-372.52.1.el8_6.aa
4.18.0-372.52.1.el8_6.aa

Remediation

Event History

Apr 5, 2024
Advisory Published
via Red Hat·01:38 AM
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Frequently Asked Questions

1

What is the severity of RHSA-2023:1841?

The severity of RHSA-2023:1841 is classified as important due to a use-after-free vulnerability in the Linux kernel.

2

How do I fix RHSA-2023:1841?

To fix RHSA-2023:1841, update the affected kernel packages to version 4.18.0-372.52.1.el8_6 or later.

3

What systems are affected by RHSA-2023:1841?

RHSA-2023:1841 affects systems running the Linux kernel packages prior to version 4.18.0-372.52.1.el8_6.

4

What does RHSA-2023:1841 address?

RHSA-2023:1841 addresses a use-after-free vulnerability in listening ULP sockets that could lead to potential escalation of privileges.

5

Is a reboot required after applying the update for RHSA-2023:1841?

Yes, a reboot is necessary after updating the kernel packages to ensure the changes take effect.

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