RHSA-2024:0403: Important: kernel security update

Published Jan 24, 2024
·
Updated

Important: kernel security update

Other sources

The kernel packages contain the Linux kernel, the core of any Linux operating system.Security Fix(es): kernel: bpf: Incorrect verifier pruning leads to unsafe code paths being incorrectly marked as safe (CVE-2023-2163) kernel: use after free in unixstreamsendpage (CVE-2023-4622) kernel: netfilter: potential slab-out-of-bound access due to integer underflow (CVE-2023-42753) kernel: Race Condition leading to UAF in Unix Socket could happen in skreceivequeue (BZ#2230094) kernel: UAF during login when accessing the shost ipaddress (CVE-2023-2162) hw: amd: Cross-Process Information Leak (CVE-2023-20593) 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.

— Red Hat

Affected Software

51 affected componentsFixes available
redhat/kernel<4.18.0-193.120.1.el8_2
4.18.0-193.120.1.el8_2
redhat/bpftool<4.18.0-193.120.1.el8_2
4.18.0-193.120.1.el8_2
redhat/bpftool-debuginfo<4.18.0-193.120.1.el8_2
4.18.0-193.120.1.el8_2
redhat/kernel<4.18.0-193.120.1.el8_2
4.18.0-193.120.1.el8_2
redhat/kernel-abi-whitelists<4.18.0-193.120.1.el8_2
4.18.0-193.120.1.el8_2
redhat/kernel-core<4.18.0-193.120.1.el8_2
4.18.0-193.120.1.el8_2
redhat/kernel-cross-headers<4.18.0-193.120.1.el8_2
4.18.0-193.120.1.el8_2
redhat/kernel-debug<4.18.0-193.120.1.el8_2
4.18.0-193.120.1.el8_2
redhat/kernel-debug-core<4.18.0-193.120.1.el8_2
4.18.0-193.120.1.el8_2
redhat/kernel-debug-debuginfo<4.18.0-193.120.1.el8_2
4.18.0-193.120.1.el8_2
redhat/kernel-debug-devel<4.18.0-193.120.1.el8_2
4.18.0-193.120.1.el8_2
redhat/kernel-debug-modules<4.18.0-193.120.1.el8_2
4.18.0-193.120.1.el8_2
redhat/kernel-debug-modules-extra<4.18.0-193.120.1.el8_2
4.18.0-193.120.1.el8_2
redhat/kernel-debuginfo<4.18.0-193.120.1.el8_2
4.18.0-193.120.1.el8_2
redhat/kernel-devel<4.18.0-193.120.1.el8_2
4.18.0-193.120.1.el8_2
redhat/kernel-doc<4.18.0-193.120.1.el8_2
4.18.0-193.120.1.el8_2
redhat/kernel-headers<4.18.0-193.120.1.el8_2
4.18.0-193.120.1.el8_2
redhat/kernel-modules<4.18.0-193.120.1.el8_2
4.18.0-193.120.1.el8_2
redhat/kernel-modules-extra<4.18.0-193.120.1.el8_2
4.18.0-193.120.1.el8_2
redhat/kernel-tools<4.18.0-193.120.1.el8_2
4.18.0-193.120.1.el8_2
redhat/kernel-tools-debuginfo<4.18.0-193.120.1.el8_2
4.18.0-193.120.1.el8_2
redhat/kernel-tools-libs<4.18.0-193.120.1.el8_2
4.18.0-193.120.1.el8_2
redhat/perf<4.18.0-193.120.1.el8_2
4.18.0-193.120.1.el8_2
redhat/perf-debuginfo<4.18.0-193.120.1.el8_2
4.18.0-193.120.1.el8_2
redhat/python3-perf<4.18.0-193.120.1.el8_2
4.18.0-193.120.1.el8_2
redhat/python3-perf-debuginfo<4.18.0-193.120.1.el8_2
4.18.0-193.120.1.el8_2
redhat/bpftool<4.18.0-193.120.1.el8_2
4.18.0-193.120.1.el8_2
redhat/bpftool-debuginfo<4.18.0-193.120.1.el8_2
4.18.0-193.120.1.el8_2
redhat/kernel<4.18.0-193.120.1.el8_2
4.18.0-193.120.1.el8_2
redhat/kernel-core<4.18.0-193.120.1.el8_2
4.18.0-193.120.1.el8_2
redhat/kernel-cross-headers<4.18.0-193.120.1.el8_2
4.18.0-193.120.1.el8_2
redhat/kernel-debug<4.18.0-193.120.1.el8_2
4.18.0-193.120.1.el8_2
redhat/kernel-debug-core<4.18.0-193.120.1.el8_2
4.18.0-193.120.1.el8_2
redhat/kernel-debug-debuginfo<4.18.0-193.120.1.el8_2
4.18.0-193.120.1.el8_2
redhat/kernel-debug-devel<4.18.0-193.120.1.el8_2
4.18.0-193.120.1.el8_2
redhat/kernel-debug-modules<4.18.0-193.120.1.el8_2
4.18.0-193.120.1.el8_2
redhat/kernel-debug-modules-extra<4.18.0-193.120.1.el8_2
4.18.0-193.120.1.el8_2
redhat/kernel-debuginfo<4.18.0-193.120.1.el8_2
4.18.0-193.120.1.el8_2
redhat/kernel-debuginfo-common-ppc64le<4.18.0-193.120.1.el8_2
4.18.0-193.120.1.el8_2
redhat/kernel-devel<4.18.0-193.120.1.el8_2
4.18.0-193.120.1.el8_2
redhat/kernel-headers<4.18.0-193.120.1.el8_2
4.18.0-193.120.1.el8_2
redhat/kernel-modules<4.18.0-193.120.1.el8_2
4.18.0-193.120.1.el8_2
redhat/kernel-modules-extra<4.18.0-193.120.1.el8_2
4.18.0-193.120.1.el8_2
redhat/kernel-tools<4.18.0-193.120.1.el8_2
4.18.0-193.120.1.el8_2
redhat/kernel-tools-debuginfo<4.18.0-193.120.1.el8_2
4.18.0-193.120.1.el8_2
redhat/kernel-tools-libs<4.18.0-193.120.1.el8_2
4.18.0-193.120.1.el8_2
redhat/perf<4.18.0-193.120.1.el8_2
4.18.0-193.120.1.el8_2
redhat/perf-debuginfo<4.18.0-193.120.1.el8_2
4.18.0-193.120.1.el8_2
redhat/python3-perf<4.18.0-193.120.1.el8_2
4.18.0-193.120.1.el8_2
redhat/python3-perf-debuginfo<4.18.0-193.120.1.el8_2
4.18.0-193.120.1.el8_2
Red Hat Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions

Remediation

Event History

Jan 24, 2024
Advisory Published
via Red Hat·02:40 PM
Mar 16, 2024
Advisory Published
via Red Hat·03:16 PM

Frequently Asked Questions

1

What is the severity of RHSA-2024:0403?

The security update RHSA-2024:0403 is rated Important due to potential vulnerabilities in the kernel related to unsafe code paths.

2

How do I fix RHSA-2024:0403?

To fix RHSA-2024:0403, apply the kernel security update by upgrading to version 4.18.0-193.120.1.el8_2 or later.

3

What vulnerabilities are addressed in RHSA-2024:0403?

RHSA-2024:0403 addresses a vulnerability associated with CVE-2023-2163, which involves incorrect verifier pruning in the BPF.

4

What packages are affected by RHSA-2024:0403?

The RHSA-2024:0403 affects packages including kernel, bpftool, and kernel-debug across multiple architectures.

5

How can I check if my system is affected by RHSA-2024:0403?

You can verify if your system is affected by checking your current kernel version and ensuring it is not lower than 4.18.0-193.120.1.el8_2.

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