{"id":"CVE-2026-98444","title":"xfs: drop dquot flush lock when we can't find a buffer to flush","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nxfs: drop dquot flush lock when we can't find a buffer to flush\n\nLOLLM noticed that xfs_qm_flush_one fails to drop the dquot flush lock\nif it can't grab the buffer asso…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= ca378189fdfa890a4f0622f85ee41b710bbac271 < 41bc624377f08125eae164c62ce043791ade93b7","Linux >= ca378189fdfa890a4f0622f85ee41b710bbac271 < ffb48dccce1960a9ea24463a2f3c21d124d6b672","Linux d331fc154564548b605cde8427442b54c87d7fd3","Linux >= 6.12.14 < 6.13","Linux 6.13"],"published":"2026-10-18","updated":"2026-10-19","sourceUpdated":"2026-10-19T09:19:39.866Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-98444","references":[{"url":"https://git.kernel.org/stable/c/41bc624377f08125eae164c62ce043791ade93b7"},{"url":"https://git.kernel.org/stable/c/ffb48dccce1960a9ea24463a2f3c21d124d6b672"}],"tags":["cve.org"],"ingestedAt":"2026-10-18T15:45:12.307Z","slug":"CVE-2026-98444","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nxfs: drop dquot flush lock when we can't find a buffer to flush\n\nLOLLM noticed that xfs_qm_flush_one fails to drop the dquot flush lock\nif it can't grab the buffer associated with the dquot.  Since there's no\nbuffer, nobody else is going to drop the dqflock, so we need to do it\nourselves.\n\n## Affected\n\n- `Linux >= ca378189fdfa890a4f0622f85ee41b710bbac271 < 41bc624377f08125eae164c62ce043791ade93b7`\n- `Linux >= ca378189fdfa890a4f0622f85ee41b710bbac271 < ffb48dccce1960a9ea24463a2f3c21d124d6b672`\n- `Linux d331fc154564548b605cde8427442b54c87d7fd3`\n- `Linux >= 6.12.14 < 6.13`\n- `Linux 6.13`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}