CVE-2026-71224

A stack overflow vulnerability was found in gfs2-utils. The metadata walk code in metawalk.c uses alloca() with an untrusted inode height value from on-disk metadata without bounds validation, causing stack exhaustion and a denial of service when processing crafted GFS2 filesystem images.

CVSS v3 4.7 MEDIUM

4.7^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.0 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://access.redhat.com/security/cve/CVE-2026-71224	Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2511397	Issue Tracking Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:redhat:enterprise_linux:7.0:::::::*
	cpe:2.3:o:redhat:enterprise_linux:8.0:::::::*
	cpe:2.3:o:redhat:enterprise_linux:9.0:::::::*

History

22 Sep 2026, 16:40

Type	Values Removed	Values Added
CPE		cpe:2.3:o:redhat:enterprise_linux:8.0:::::::* cpe:2.3:o:redhat:enterprise_linux:9.0:::::::* cpe:2.3:o:redhat:enterprise_linux:7.0:::::::*
References	~~() https://access.redhat.com/security/cve/CVE-2026-71224 -~~	() https://access.redhat.com/security/cve/CVE-2026-71224 - Vendor Advisory
References	~~() https://bugzilla.redhat.com/show_bug.cgi?id=2511397 -~~	() https://bugzilla.redhat.com/show_bug.cgi?id=2511397 - Issue Tracking, Vendor Advisory
First Time		Redhat Redhat enterprise Linux

Information

Published : 2026-09-03 13:06

Updated : 2026-09-22 16:40

NVD link : CVE-2026-71224

Mitre link : CVE-2026-71224

CVE.ORG link : CVE-2026-71224

JSON object : View

Products Affected

redhat

enterprise_linux

CWE

CWE-770

Allocation of Resources Without Limits or Throttling

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