{"id":"CVE-2026-31556","summary":"xfs: scrub: unlock dquot before early return in quota scrub","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nxfs: scrub: unlock dquot before early return in quota scrub\n\nxchk_quota_item can return early after calling xchk_fblock_process_error.\nWhen that helper returns false, the function returned immediately without\ndropping dq-\u003eq_qlock, which can leave the dquot lock held and risk lock\nleaks or deadlocks in later quota operations.\n\nFix this by unlocking dq-\u003eq_qlock before the early return.","modified":"2026-07-15T01:49:01.761680860Z","published":"2026-04-24T14:35:39.880Z","related":["SUSE-SU-2026:22099-1","SUSE-SU-2026:22112-1","SUSE-SU-2026:22117-1","SUSE-SU-2026:22127-1","openSUSE-SU-2026:20965-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/31xxx/CVE-2026-31556.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/268378b6ad20569af0d1957992de1c8b16c6e900"},{"type":"WEB","url":"https://git.kernel.org/stable/c/3b0c3414b308e6822cda90bf99f7eac94d4cca2b"},{"type":"WEB","url":"https://git.kernel.org/stable/c/d128fc0c5c2b19224927d4fd2a46c2fe6a1f606f"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e822f535273af0e8968eab7acc0cea0b90dd25af"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/31xxx/CVE-2026-31556.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-31556"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"7d1f0e167a067ed741dec08b7614d76893422b04"},{"fixed":"e822f535273af0e8968eab7acc0cea0b90dd25af"},{"fixed":"3b0c3414b308e6822cda90bf99f7eac94d4cca2b"},{"fixed":"d128fc0c5c2b19224927d4fd2a46c2fe6a1f606f"},{"fixed":"268378b6ad20569af0d1957992de1c8b16c6e900"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-31556.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.8.0"},{"fixed":"6.12.80"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.21"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"6.19.11"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-31556.json"}}],"schema_version":"1.7.5"}