CVE-2026-71221

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 7.0 HIGH

7.0^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.0 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://access.redhat.com/security/cve/CVE-2026-71221	Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2511396	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, 16:36

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:::::::*
First Time		Redhat Redhat enterprise Linux
References	~~() https://access.redhat.com/security/cve/CVE-2026-71221 -~~	() https://access.redhat.com/security/cve/CVE-2026-71221 - Vendor Advisory
References	~~() https://bugzilla.redhat.com/show_bug.cgi?id=2511396 -~~	() https://bugzilla.redhat.com/show_bug.cgi?id=2511396 - Issue Tracking, Vendor Advisory

Information

Published : 2026-09-03 13:06

Updated : 2026-09-22 16:36

NVD link : CVE-2026-71221

Mitre link : CVE-2026-71221

CVE.ORG link : CVE-2026-71221

JSON object : View

Products Affected

redhat

enterprise_linux

CWE

CWE-787

Out-of-bounds Write

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