Stack-based Buffer Overflow Affecting kernel-livepatch-6.1.82-99.168 package, versions <0:1.0-0.amzn2023


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.04% (12th percentile)

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  • Snyk IDSNYK-AMZN2023-KERNELLIVEPATCH618299168-8496230
  • published11 Dec 2024
  • disclosed17 Apr 2024

Introduced: 17 Apr 2024

CVE-2024-26843  (opens in a new tab)
CWE-121  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2023 kernel-livepatch-6.1.82-99.168 to version 0:1.0-0.amzn2023 or higher.
This issue was patched in ALAS2023-2024-784.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-livepatch-6.1.82-99.168 package and not the kernel-livepatch-6.1.82-99.168 package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2023 relevant fixed versions and status.

In the Linux kernel, the following vulnerability has been resolved:

efi: runtime: Fix potential overflow of soft-reserved region size

md_size will have been narrowed if we have >= 4GB worth of pages in a soft-reserved region.

CVSS Scores

version 3.1