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.
Affected products
redhat: enterprise linux
References2
- access.redhat.com/security/cve/CVE-2026-71221 Vendor Advisory
- bugzilla.redhat.com/show_bug.cgi?id=2511396 Issue TrackingVendor Advisory
Metrics
- CVSS 3.1
-
7.0
HIGH
Score source: CNA
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H - EPSS — exploit probability
- 0% percentile: 3 · as of 3 November 2026
- CWE
- CWE-787
Could this be exploited in your environment?
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