CVE-2022-49762 Affecting kernel-tools-debuginfo package, versions <0:4.14.301-224.520.amzn2


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.04% (9th percentile)

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  • Snyk IDSNYK-AMZN2-KERNELTOOLSDEBUGINFO-10499849
  • published25 Jun 2025
  • disclosed1 May 2025

Introduced: 1 May 2025

CVE-2022-49762  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 kernel-tools-debuginfo to version 0:4.14.301-224.520.amzn2 or higher.
This issue was patched in ALAS2-2022-1903.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-tools-debuginfo package and not the kernel-tools-debuginfo package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 relevant fixed versions and status.

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

ntfs: check overflow when iterating ATTR_RECORDs

Kernel iterates over ATTR_RECORDs in mft record in ntfs_attr_find(). Because the ATTR_RECORDs are next to each other, kernel can get the next ATTR_RECORD from end address of current ATTR_RECORD, through current ATTR_RECORD length field.

The problem is that during iteration, when kernel calculates the end address of current ATTR_RECORD, kernel may trigger an integer overflow bug in executing a = (ATTR_RECORD*)((u8*)a + le32_to_cpu(a-&gt;length)). This may wrap, leading to a forever iteration on 32bit systems.

This patch solves it by adding some checks on calculating end address of current ATTR_RECORD during iteration.

CVSS Base Scores

version 3.1