Improper Validation of Consistency within Input Affecting kernel-livepatch-6.12.80-105.147 package, versions <1:1.0-0.amzn2023


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.14% (4th percentile)

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  • Snyk IDSNYK-AMZN2023-KERNELLIVEPATCH61280105147-16426152
  • published6 May 2026
  • disclosed22 Apr 2026

Introduced: 22 Apr 2026

CVE-2026-31447  (opens in a new tab)
CWE-1288  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2023 kernel-livepatch-6.12.80-105.147 to version 1:1.0-0.amzn2023 or higher.
This issue was patched in ALAS2023-2026-1646.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-livepatch-6.12.80-105.147 package and not the kernel-livepatch-6.12.80-105.147 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:

ext4: reject mount if bigalloc with s_first_data_block != 0

bigalloc with s_first_data_block != 0 is not supported, reject mounting it.

CVSS Base Scores

version 3.1