Integer Overflow or Wraparound Affecting kernel-headers package, versions <0:6.1.55-75.123.amzn2023


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-AMZN2023-KERNELHEADERS-5927623
  • published4 Oct 2023
  • disclosed13 Oct 2023

Introduced: 4 Oct 2023

CVE-2023-42752  (opens in a new tab)
CWE-190  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2023 kernel-headers to version 0:6.1.55-75.123.amzn2023 or higher.
This issue was patched in ALAS2023-2023-356.

NVD Description

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

An integer overflow flaw was found in the Linux kernel. This issue leads to the kernel allocating skb_shared_info in the userspace, which is exploitable in systems without SMAP protection since skb_shared_info contains references to function pointers.

CVSS Scores

version 3.1