{"id":"CVE-2025-39800","summary":"btrfs: abort transaction on unexpected eb generation at btrfs_copy_root()","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: abort transaction on unexpected eb generation at btrfs_copy_root()\n\nIf we find an unexpected generation for the extent buffer we are cloning\nat btrfs_copy_root(), we just WARN_ON() and don't error out and abort the\ntransaction, meaning we allow to persist metadata with an unexpected\ngeneration. Instead of warning only, abort the transaction and return\n-EUCLEAN.","modified":"2026-03-20T12:43:02.935949Z","published":"2025-09-15T12:36:43.043Z","related":["SUSE-SU-2025:03600-1","SUSE-SU-2025:03614-1","SUSE-SU-2025:03634-1","SUSE-SU-2025:20851-1","SUSE-SU-2025:20861-1","SUSE-SU-2025:20870-1","SUSE-SU-2025:20898-1","SUSE-SU-2025:21074-1","SUSE-SU-2025:21139-1","SUSE-SU-2025:21179-1","SUSE-SU-2025:3751-1","SUSE-SU-2025:4057-1","SUSE-SU-2025:4132-1","SUSE-SU-2025:4141-1","openSUSE-SU-2025:20081-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/39xxx/CVE-2025-39800.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/33e8f24b52d2796b8cfb28c19a1a7dd6476323a8"},{"type":"WEB","url":"https://git.kernel.org/stable/c/4290e34fb87ae556b12c216efd0ae91583446b7a"},{"type":"WEB","url":"https://git.kernel.org/stable/c/4734255ef39b416864139dcda96a387fe5f33a6a"},{"type":"WEB","url":"https://git.kernel.org/stable/c/da2124719f386b6e5d4d4b1a2e67c440e4d5892f"},{"type":"WEB","url":"https://git.kernel.org/stable/c/f4f5bd9251a4cbe55aaa05725c6c3c32ad1f74b3"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/39xxx/CVE-2025-39800.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-39800"},{"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":"be20aa9dbadc8c06283784ee12bbc0d97dea3418"},{"fixed":"4290e34fb87ae556b12c216efd0ae91583446b7a"},{"fixed":"4734255ef39b416864139dcda96a387fe5f33a6a"},{"fixed":"da2124719f386b6e5d4d4b1a2e67c440e4d5892f"},{"fixed":"f4f5bd9251a4cbe55aaa05725c6c3c32ad1f74b3"},{"fixed":"33e8f24b52d2796b8cfb28c19a1a7dd6476323a8"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-39800.json"}}],"schema_version":"1.7.5"}