Description
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.
Metrics
CVSS 3.1 4.7/10
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| Red Hat | Red Hat Enterprise Linux 7 | — |
| Red Hat | Red Hat Enterprise Linux 8 | — |
| Red Hat | Red Hat Enterprise Linux 9 | — |
References
- https://access.redhat.com/security/cve/CVE-2026-71224Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2511397Issue Tracking, Vendor Advisory
Timeline
- Published
- Sep 3, 2026
- Last modified
- Nov 5, 2026
- NVD status
- Analyzed