RHSA-2023:0856: Important: kernel security update

Published Feb 21, 2023
·
Updated

The kernel packages contain the Linux kernel, the core of any Linux operating system.Security Fix(es): kernel: memory corruption in AX88179178A based USB ethernet device. (CVE-2022-2964) kernel: use-after-free caused by l2capreassemblesdu() in net/bluetooth/l2capcore.c (CVE-2022-3564) kernel: stack overflow in doprocdointvec and procskipspaces (CVE-2022-4378) 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.

Affected Software

50 affected componentsFixes available
redhat/kernel<4.18.0-147.80.1.el8_1
4.18.0-147.80.1.el8_1
redhat/bpftool<4.18.0-147.80.1.el8_1
4.18.0-147.80.1.el8_1
redhat/bpftool-debuginfo<4.18.0-147.80.1.el8_1
4.18.0-147.80.1.el8_1
redhat/kernel<4.18.0-147.80.1.el8_1
4.18.0-147.80.1.el8_1
redhat/kernel-abi-whitelists<4.18.0-147.80.1.el8_1
4.18.0-147.80.1.el8_1
redhat/kernel-core<4.18.0-147.80.1.el8_1
4.18.0-147.80.1.el8_1
redhat/kernel-cross-headers<4.18.0-147.80.1.el8_1
4.18.0-147.80.1.el8_1
redhat/kernel-debug<4.18.0-147.80.1.el8_1
4.18.0-147.80.1.el8_1
redhat/kernel-debug-core<4.18.0-147.80.1.el8_1
4.18.0-147.80.1.el8_1
redhat/kernel-debug-debuginfo<4.18.0-147.80.1.el8_1
4.18.0-147.80.1.el8_1
redhat/kernel-debug-devel<4.18.0-147.80.1.el8_1
4.18.0-147.80.1.el8_1
redhat/kernel-debug-modules<4.18.0-147.80.1.el8_1
4.18.0-147.80.1.el8_1
redhat/kernel-debug-modules-extra<4.18.0-147.80.1.el8_1
4.18.0-147.80.1.el8_1
redhat/kernel-debuginfo<4.18.0-147.80.1.el8_1
4.18.0-147.80.1.el8_1
redhat/kernel-debuginfo-common-ppc64le<4.18.0-147.80.1.el8_1
4.18.0-147.80.1.el8_1
redhat/kernel-devel<4.18.0-147.80.1.el8_1
4.18.0-147.80.1.el8_1
redhat/kernel-doc<4.18.0-147.80.1.el8_1
4.18.0-147.80.1.el8_1
redhat/kernel-headers<4.18.0-147.80.1.el8_1
4.18.0-147.80.1.el8_1
redhat/kernel-modules<4.18.0-147.80.1.el8_1
4.18.0-147.80.1.el8_1
redhat/kernel-modules-extra<4.18.0-147.80.1.el8_1
4.18.0-147.80.1.el8_1
redhat/kernel-tools<4.18.0-147.80.1.el8_1
4.18.0-147.80.1.el8_1
redhat/kernel-tools-debuginfo<4.18.0-147.80.1.el8_1
4.18.0-147.80.1.el8_1
redhat/kernel-tools-libs<4.18.0-147.80.1.el8_1
4.18.0-147.80.1.el8_1
redhat/perf<4.18.0-147.80.1.el8_1
4.18.0-147.80.1.el8_1
redhat/perf-debuginfo<4.18.0-147.80.1.el8_1
4.18.0-147.80.1.el8_1
redhat/python3-perf<4.18.0-147.80.1.el8_1
4.18.0-147.80.1.el8_1
redhat/python3-perf-debuginfo<4.18.0-147.80.1.el8_1
4.18.0-147.80.1.el8_1
redhat/bpftool<4.18.0-147.80.1.el8_1
4.18.0-147.80.1.el8_1
redhat/bpftool-debuginfo<4.18.0-147.80.1.el8_1
4.18.0-147.80.1.el8_1
redhat/kernel<4.18.0-147.80.1.el8_1
4.18.0-147.80.1.el8_1
redhat/kernel-core<4.18.0-147.80.1.el8_1
4.18.0-147.80.1.el8_1
redhat/kernel-cross-headers<4.18.0-147.80.1.el8_1
4.18.0-147.80.1.el8_1
redhat/kernel-debug<4.18.0-147.80.1.el8_1
4.18.0-147.80.1.el8_1
redhat/kernel-debug-core<4.18.0-147.80.1.el8_1
4.18.0-147.80.1.el8_1
redhat/kernel-debug-debuginfo<4.18.0-147.80.1.el8_1
4.18.0-147.80.1.el8_1
redhat/kernel-debug-devel<4.18.0-147.80.1.el8_1
4.18.0-147.80.1.el8_1
redhat/kernel-debug-modules<4.18.0-147.80.1.el8_1
4.18.0-147.80.1.el8_1
redhat/kernel-debug-modules-extra<4.18.0-147.80.1.el8_1
4.18.0-147.80.1.el8_1
redhat/kernel-debuginfo<4.18.0-147.80.1.el8_1
4.18.0-147.80.1.el8_1
redhat/kernel-devel<4.18.0-147.80.1.el8_1
4.18.0-147.80.1.el8_1
redhat/kernel-headers<4.18.0-147.80.1.el8_1
4.18.0-147.80.1.el8_1
redhat/kernel-modules<4.18.0-147.80.1.el8_1
4.18.0-147.80.1.el8_1
redhat/kernel-modules-extra<4.18.0-147.80.1.el8_1
4.18.0-147.80.1.el8_1
redhat/kernel-tools<4.18.0-147.80.1.el8_1
4.18.0-147.80.1.el8_1
redhat/kernel-tools-debuginfo<4.18.0-147.80.1.el8_1
4.18.0-147.80.1.el8_1
redhat/kernel-tools-libs<4.18.0-147.80.1.el8_1
4.18.0-147.80.1.el8_1
redhat/perf<4.18.0-147.80.1.el8_1
4.18.0-147.80.1.el8_1
redhat/perf-debuginfo<4.18.0-147.80.1.el8_1
4.18.0-147.80.1.el8_1
redhat/python3-perf<4.18.0-147.80.1.el8_1
4.18.0-147.80.1.el8_1
redhat/python3-perf-debuginfo<4.18.0-147.80.1.el8_1
4.18.0-147.80.1.el8_1

Remediation

Event History

Feb 21, 2023
Advisory Published
via Red Hat·12:00 AM
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Frequently Asked Questions

1

What is the severity of RHSA-2023:0856?

The severity of RHSA-2023:0856 is categorized as moderate due to the potential for memory corruption leading to system instability.

2

How do I fix RHSA-2023:0856?

To fix RHSA-2023:0856, update your kernel packages to version 4.18.0-147.80.1.el8_1 or later.

3

What vulnerabilities are addressed in RHSA-2023:0856?

RHSA-2023:0856 addresses vulnerabilities including memory corruption in AX88179_178A based USB ethernet device and a use-after-free in Bluetooth handling.

4

Which systems are affected by RHSA-2023:0856?

Systems running kernel versions prior to 4.18.0-147.80.1.el8_1 are affected by RHSA-2023:0856.

5

Is RHSA-2023:0856 applicable to both x86_64 and ppc64le architectures?

Yes, RHSA-2023:0856 is applicable to both x86_64 and ppc64le architectures.

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