CVE-2026-71221: Out-of-bounds Write in Red Hat Red Hat Enterprise Linux 7
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.
CVE-2026-71221: Out-of-bounds Write in Red Hat Red Hat Enterprise Linux 7
Description
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.
CVSS v3.1
Score 7.0high
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- redhat
- Date Reserved
- 2026-08-05T08:51:19.853Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
- Vendor Advisory Urls
- [{"url":"https://access.redhat.com/security/cve/CVE-2026-71221","vendor":"Red Hat"}]
Threat ID: 6a996db2acd9273b49ef4476
Added to database: 09/03/2026, 12:53:06 UTC
Last updated: 09/03/2026, 12:53:06 UTC
Views: 1
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