{"id":"CVE-2026-98244","revision":"b8889236c41c4862b7378ebdff1a9c9f","records":[{"revision":"b8889236c41c4862b7378ebdff1a9c9f","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-98244","aliases":[],"title":"btrfs: clear free space tree creation state on rebuild failure","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: clear free space tree creation state on rebuild failure\n\nbtrfs_rebuild_free_space_tree() sets BTRFS_FS_CREATING_FREE_SPACE_TREE\nbefore rebuilding the free space tree.  Several error paths return\nwithout clearing this flag.\n\nThe transaction restart failure path can leave the flag set on a live\nfilesystem, causing delayed reference processing to be skipped. Clear it\non all free space tree rebuild failure paths. Keep\nBTRFS_FS_FREE_SPACE_TREE_UNTRUSTED set, since a failed rebuild leaves\nthe free space tree untrusted. Callers must fall back to extent-tree\ncaching.","state":0,"publishedAt":"2026-10-06T08:45:14.12+00:00","modifiedAt":"2026-10-19T09:16:15.841+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"fs/btrfs/free-space-tree.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"882af9f13e830c0a4ef696bb72cd5998a5067a93\",\n                            \"lessThan\": \"a32bedab8ece9d1f90a1476a5b486a1804dc78ba\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"882af9f13e830c0a4ef696bb72cd5998a5067a93\",\n                            \"lessThan\": \"b1df2997d0cd2be7bef7b4ab64ccfd1019dedc81\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"882af9f13e830c0a4ef696bb72cd5998a5067a93\",\n                            \"lessThan\": \"3565893cc72cdf6b795cf6a33e7ff9605322334d\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"fs/btrfs/free-space-tree.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"6.14\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"6.14\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.54\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2.8\",\n                            \"lessThanOrEqual\": \"7.2.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.3\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/a32bedab8ece9d1f90a1476a5b486a1804dc78ba","https://git.kernel.org/stable/c/b1df2997d0cd2be7bef7b4ab64ccfd1019dedc81","https://git.kernel.org/stable/c/3565893cc72cdf6b795cf6a33e7ff9605322334d"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-98244","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-98244","identifiers":["CVE-2026-98244"]},"retained":false,"historicalAffected":[]}],"coverage":[]}