Description
A heap out-of-bounds read vulnerability was found in gfs2-utils. The ea_num_ptrs field from on-disk extended attribute metadata is consumed without bounds validation, causing a heap buffer over-read that may disclose sensitive memory contents or cause a crash when processing crafted GFS2 filesystem images.
Affected products
redhat: enterprise linux
References2
- access.redhat.com/security/cve/CVE-2026-71222 Vendor Advisory
- bugzilla.redhat.com/show_bug.cgi?id=2511399 Issue Tracking
Metrics
- CVSS 3.1
-
6.3
MEDIUM
Score source: NVD
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:H - EPSS — exploit probability
- 0% percentile: 1 · as of 3 November 2026
- CWE
- CWE-125
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.