Integer Overflow or Wraparound Affecting kernel-debuginfo package, versions <0:6.1.66-91.160.amzn2023


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.05% (15th percentile)

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  • Snyk IDSNYK-AMZN2023-KERNELDEBUGINFO-10336730
  • published11 Jun 2025
  • disclosed21 May 2024

Introduced: 21 May 2024

CVE-2021-47432  (opens in a new tab)
CWE-190  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2023 kernel-debuginfo to version 0:6.1.66-91.160.amzn2023 or higher.
This issue was patched in ALAS2023-2023-461.

NVD Description

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

lib/generic-radix-tree.c: Don't overflow in peek()

When we started spreading new inode numbers throughout most of the 64 bit inode space, that triggered some corner case bugs, in particular some integer overflows related to the radix tree code. Oops.

CVSS Base Scores

version 3.1