CVE-2026-71224: Red Hat Enterprise Linux

Medium severity, CVSS 4.7. EPSS: 0.1% chance of exploitation in the next 30 days.

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.

Affected products

• Red Hat Enterprise Linux: version 7.0 only; version 8.0 only; version 9.0 only

Published 2026-09-03. Last modified 2026-09-22.