High severity7.0NVD Advisory· Published Sep 3, 2026

CVE-2026-71220

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.

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Affected products

Red Hat/Gfs2 Utilsllm-fuzzy

Patches

Vulnerability mechanics

References

access.redhat.com/security/cve/CVE-2026-71220nvd
bugzilla.redhat.com/show_bug.cginvd

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