{"id":"CVE-2026-45974","title":"btrfs: fix invalid leaf access in btrfs_quota_enable() if ref key not found","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: fix invalid leaf access in btrfs_quota_enable() if ref key not found\n\nIf btrfs_search_slot_for_read() returns 1, it means we did not find any\nkey greater than or…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 5223cc60b40ae525ae6c94e98824129f1a5b4ae5 < 023545e272f369d487e6a986c1e321c6e04be1da","Linux >= 5223cc60b40ae525ae6c94e98824129f1a5b4ae5 < fd4913a53e3b54ad7e161847291439fe445d6356","Linux >= 5223cc60b40ae525ae6c94e98824129f1a5b4ae5 < b5b8ade9da452086e78f5d519b90d3769e354853","Linux >= 5223cc60b40ae525ae6c94e98824129f1a5b4ae5 < 1ee1d006c9fe4d6be5527ab1c84216b80cccbe40","Linux >= 5223cc60b40ae525ae6c94e98824129f1a5b4ae5 < 0761447f6f51e1c7997960d8e6559337deed6729","Linux >= 5223cc60b40ae525ae6c94e98824129f1a5b4ae5 < d7cf2314dd5e8661c05d076cd627eea9a7f76616","Linux >= 5223cc60b40ae525ae6c94e98824129f1a5b4ae5 < b2bd557b75b760e4b9d209112bda19314bd64558","Linux >= 5223cc60b40ae525ae6c94e98824129f1a5b4ae5 < ecb7c2484cfc83a93658907580035a8adf1e0a92","Linux ecce1be9f2a366990d0e75dd249fb324e83c34a9","Linux >= 5.9.7 < 5.10","Linux 5.10"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-06T16:03:33.408323Z"},"published":"2026-05-27","updated":"2026-11-06","sourceUpdated":"2026-11-06T16:13:29.272Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-45974","references":[{"url":"https://git.kernel.org/stable/c/023545e272f369d487e6a986c1e321c6e04be1da"},{"url":"https://git.kernel.org/stable/c/fd4913a53e3b54ad7e161847291439fe445d6356"},{"url":"https://git.kernel.org/stable/c/b5b8ade9da452086e78f5d519b90d3769e354853"},{"url":"https://git.kernel.org/stable/c/1ee1d006c9fe4d6be5527ab1c84216b80cccbe40"},{"url":"https://git.kernel.org/stable/c/0761447f6f51e1c7997960d8e6559337deed6729"},{"url":"https://git.kernel.org/stable/c/d7cf2314dd5e8661c05d076cd627eea9a7f76616"},{"url":"https://git.kernel.org/stable/c/b2bd557b75b760e4b9d209112bda19314bd64558"},{"url":"https://git.kernel.org/stable/c/ecb7c2484cfc83a93658907580035a8adf1e0a92"}],"tags":["cve.org"],"epss":0.00128,"epssPercentile":0.02473,"ingestedAt":"2026-11-06T16:57:43.359Z","slug":"CVE-2026-45974","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: fix invalid leaf access in btrfs_quota_enable() if ref key not found\n\nIf btrfs_search_slot_for_read() returns 1, it means we did not find any\nkey greater than or equals to the key we asked for, meaning we have\nreached the end of the tree and therefore the path is not valid. If\nthis happens we need to break out of the loop and stop, instead of\ncontinuing and accessing an invalid path.\n\n## Affected\n\n- `Linux >= 5223cc60b40ae525ae6c94e98824129f1a5b4ae5 < 023545e272f369d487e6a986c1e321c6e04be1da`\n- `Linux >= 5223cc60b40ae525ae6c94e98824129f1a5b4ae5 < fd4913a53e3b54ad7e161847291439fe445d6356`\n- `Linux >= 5223cc60b40ae525ae6c94e98824129f1a5b4ae5 < b5b8ade9da452086e78f5d519b90d3769e354853`\n- `Linux >= 5223cc60b40ae525ae6c94e98824129f1a5b4ae5 < 1ee1d006c9fe4d6be5527ab1c84216b80cccbe40`\n- `Linux >= 5223cc60b40ae525ae6c94e98824129f1a5b4ae5 < 0761447f6f51e1c7997960d8e6559337deed6729`\n- `Linux >= 5223cc60b40ae525ae6c94e98824129f1a5b4ae5 < d7cf2314dd5e8661c05d076cd627eea9a7f76616`\n- `Linux >= 5223cc60b40ae525ae6c94e98824129f1a5b4ae5 < b2bd557b75b760e4b9d209112bda19314bd64558`\n- `Linux >= 5223cc60b40ae525ae6c94e98824129f1a5b4ae5 < ecb7c2484cfc83a93658907580035a8adf1e0a92`\n- `Linux ecce1be9f2a366990d0e75dd249fb324e83c34a9`\n- `Linux >= 5.9.7 < 5.10`\n- `Linux 5.10`\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":[]}