Out-of-bounds Write Affecting gfs2-utils-debuginfo package, versions <0:3.1.10-6.amzn2.0.1


Severity

Recommended
0.0
high
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.13% (3rd percentile)

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  • Snyk IDSNYK-AMZN2-GFS2UTILSDEBUGINFO-21696050
  • published25 Oct 2026
  • disclosed3 Sept 2026

Introduced: 3 Sep 2026

CVE-2026-71220  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 gfs2-utils-debuginfo to version 0:3.1.10-6.amzn2.0.1 or higher.
This issue was patched in ALAS2-2026-4004.

NVD Description

Note: Versions mentioned in the description apply only to the upstream gfs2-utils-debuginfo package and not the gfs2-utils-debuginfo package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 relevant fixed versions and status.

A stack out-of-bounds write vulnerability was found in gfs2-utils. In gfs2_edit, the di_height field from on-disk inode metadata is used as an array index without bounds checking, causing a stack buffer overflow that may lead to arbitrary code execution when processing crafted GFS2 filesystem images.

CVSS Base Scores

version 3.1