A stack overflow vulnerability was found in gfs2-utils. The metadata walk code in metawalk.c uses alloca() with an untrusted inode height value from on-disk metadata without bounds validation, causin…

Medium CVSS 4.7

CVECVE-2026-71224

First seen2026-09-22 17:16 UTC

Disclosed2026-09-03 13:06 UTC

Last updated2026-09-22 17:16 UTC

Channel statusauto

Summary

A stack overflow vulnerability was found in gfs2-utils. The metadata walk code in metawalk.c uses alloca() with an untrusted inode height value from on-disk metadata without bounds validation, causing stack exhaustion and a denial of service when processing crafted GFS2 filesystem images.

In-depth triage

No in-depth report has been generated yet (DR-003 v2 AI pipeline is under construction).

Affected products

Sources

NVD DATABASE

Original Links

https://access.redhat.com/security/cve/CVE-2026-71224 Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2511397 Issue Tracking

Timeline

2026-09-22 nvd_ingest NVD