Red HatCVE-2026-71221
Red Hat gfs2-utils.: out-of-bounds write
High7.0CVE-2026-71221 · Published Sep 3, 2026 · updated Sep 22, 2026
A stack out-of-bounds write vulnerability was found in gfs2-utils. In savemeta, the height value from on-disk inode metadata is used as a loop bound without bounds checking, causing a stack buffer overflow that may lead to arbitrary code execution when processing crafted GFS2 filesystem images.
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:H/I:H/A:H
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-787
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. The hash table traversal code: denial of service | Medium4.7 | No fix yet |
| Sep 3 | Red Hat gfs2-utils.: out-of-bounds write | High7.0 | No fix yet |