CVE-2026-71221 — Gfs2-utils: gfs2-utils: stack out-of-bounds write via unchecked height in savemeta

CVE-2026-71221

Gfs2-utils: gfs2-utils: stack out-of-bounds write via unchecked height in savemeta PUBLISHED

Description (CNA)

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 (CNA)

Vendor / product	Versions
Red Hat / Red Hat Enterprise Linux 7	affected
Red Hat / Red Hat Enterprise Linux 8	affected
Red Hat / Red Hat Enterprise Linux 9	affected

CWE

CWE-787

References

https://access.redhat.com/security/cve/CVE-2026-71221
https://bugzilla.redhat.com/show_bug.cgi?id=2511396

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.