Red HatCVE-2026-71219
Red Hat gfs2-utils. The hash table traversal code: denial of service
Medium4.7CVE-2026-71219 · Published Sep 3, 2026 · updated Sep 22, 2026
A stack overflow vulnerability was found in gfs2-utils. The hash table traversal code in metawalk.c uses alloca() with an exponentially-derived size from the untrusted on-disk di_depth field without bounds validation. A crafted GFS2 filesystem image with a large di_depth value causes stack exhaustion and a denial of service when processed by fsck.gfs2, gfs2_edit, or savemeta.
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| Red Hat Enterprise Linux 7 Product | all versions | No fix yet |
| Red Hat Enterprise Linux 8 Product | all versions | No fix yet |
| Red Hat Enterprise Linux 9 Product | all versions | No fix yet |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-770
More Red Hat advisories
All Red Hat| Date | Advisory | Severity | Fixed in |
|---|---|---|---|
| Sep 3 | Red Hat Ansible Automation Platform 2: improper signature check | Medium5.9 | No fix yet |
| Sep 3 | Red Hat Enterprise Linux 7: null pointer dereference | High7.5 | No fix yet |
| Sep 3 | Red Hat gfs2-utils: out-of-bounds read | Medium5.3 | No fix yet |
| Sep 3 | Red Hat gfs2-utils. The metadata walk code: denial of service | Medium4.7 | No fix yet |
| Sep 3 | Red Hat gfs2-utils.: out-of-bounds write | High7.0 | No fix yet |
| Sep 3 | Red Hat gfs2-utils.: out-of-bounds write | High7.0 | No fix yet |