Amazon Linux 2023: CVE-2023-0458: Important priority package update for kernel

Amazon Linux 2023: CVE-2023-0458: Important priority package update for kernel

Severity

4

CVSS

(AV:L/AC:H/Au:S/C:C/I:N/A:N)

Published

01/21/2023

Created

02/14/2025

Added

02/14/2025

Modified

02/14/2025

Description

A speculative pointer dereference problem exists in the Linux Kernel on the do_prlimit() function. The resource argument value is controlled and is used in pointer arithmetic for the 'rlim' variable and can be used to leak the contents. We recommend upgrading past version 6.1.8 or commit 739790605705ddcf18f21782b9c99ad7d53a8c11 A vulnerabilty was found in Linux Kernel, where a speculative pointer dereference problem exists in the Linux Kernel on the do_prlimit() function. The resource argument value is controlled and is used in pointer arithmetic for the 'rlim' variable and can be used to leak the contents.

Solution(s)

• amazon-linux-2023-upgrade-bpftool
• amazon-linux-2023-upgrade-bpftool-debuginfo
• amazon-linux-2023-upgrade-kernel
• amazon-linux-2023-upgrade-kernel-debuginfo
• amazon-linux-2023-upgrade-kernel-debuginfo-common-aarch64
• amazon-linux-2023-upgrade-kernel-debuginfo-common-x86-64
• amazon-linux-2023-upgrade-kernel-devel
• amazon-linux-2023-upgrade-kernel-headers
• amazon-linux-2023-upgrade-kernel-libbpf
• amazon-linux-2023-upgrade-kernel-libbpf-devel
• amazon-linux-2023-upgrade-kernel-libbpf-static
• amazon-linux-2023-upgrade-kernel-livepatch-6-1-15-28-43
• amazon-linux-2023-upgrade-kernel-tools
• amazon-linux-2023-upgrade-kernel-tools-debuginfo
• amazon-linux-2023-upgrade-kernel-tools-devel
• amazon-linux-2023-upgrade-perf
• amazon-linux-2023-upgrade-perf-debuginfo
• amazon-linux-2023-upgrade-python3-perf
• amazon-linux-2023-upgrade-python3-perf-debuginfo

References

• https://attackerkb.com/topics/cve-2023-0458
• CVE - 2023-0458
• https://alas.aws.amazon.com/AL2023/ALAS-2023-127.html