{"id":"CVE-2026-71224","title":"A stack overflow vulnerability was found in gfs2-utils","summary":"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 ser…","severity":"medium","cvss":4.7,"cvssVector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H","cwe":["CWE-770"],"vendor":"redhat","product":"enterprise_linux","affected":["enterprise_linux = 7.0","enterprise_linux = 8.0","enterprise_linux = 9.0"],"published":"2026-09-03","updated":"2026-09-22","sourceUpdated":"2026-09-22T16:40:21.697","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-71224","references":[{"url":"https://access.redhat.com/security/cve/CVE-2026-71224","label":"secalert@redhat.com"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2511397","label":"secalert@redhat.com"}],"tags":["nvd"],"epss":0.00115,"epssPercentile":0.01755,"ingestedAt":"2026-09-22T17:07:07.356Z","slug":"CVE-2026-71224","body":"## Overview\n\nA 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.\n\n## Affected\n\n- `enterprise_linux = 7.0`\n- `enterprise_linux = 8.0`\n- `enterprise_linux = 9.0`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":26,"depthScoreParts":{"impact":25.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}