CVE-2026-71220

Gfs2-utils: gfs2-utils: stack out-of-bounds write via unchecked di_height in gfs2_edit

HIGH
7
CVSS Score
Published: September 3, 2026 at 12:23 PM UTC
Updated: September 22, 2026 at 04:51 PM UTC
1 product affected across 1 vendorEnterprise Linux

Using Red Hat Enterprise Linux 7 by Red Hat?

Get instant alerts when new vulnerabilities affect Red Hat Enterprise Linux 7 - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Severity
HIGH7
Exploit prediction
EPSS 0.1%
SSVC
No known exploit

Description

A stack out-of-bounds write vulnerability was found in gfs2-utils. In gfs2_edit, the di_height field from on-disk inode metadata is used as an array index without bounds checking, causing a stack buffer overflow that may lead to arbitrary code execution when processing crafted GFS2 filesystem images.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (2)

VDB Entryx_refsource_REDHATVendor Advisory
Source: cverecord
https://access.redhat.com/security/cve/CVE-2026-71220
Issue Trackingx_refsource_REDHATVendor Advisory
Source: cverecord
https://bugzilla.redhat.com/show_bug.cgi?id=2511398

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7HIGHredhat
Attack Vector
LOCAL
Complexity
HIGH
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-787

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Free plan, no card