{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-39800","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-04-16T07:20:57.133Z","datePublished":"2025-09-15T12:36:43.043Z","dateUpdated":"2026-05-12T12:07:08.998Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T21:36:30.864Z"},"descriptions":[{"lang":"en","value":"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."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/btrfs/ctree.c"],"versions":[{"version":"be20aa9dbadc8c06283784ee12bbc0d97dea3418","lessThan":"4290e34fb87ae556b12c216efd0ae91583446b7a","status":"affected","versionType":"git"},{"version":"be20aa9dbadc8c06283784ee12bbc0d97dea3418","lessThan":"4734255ef39b416864139dcda96a387fe5f33a6a","status":"affected","versionType":"git"},{"version":"be20aa9dbadc8c06283784ee12bbc0d97dea3418","lessThan":"da2124719f386b6e5d4d4b1a2e67c440e4d5892f","status":"affected","versionType":"git"},{"version":"be20aa9dbadc8c06283784ee12bbc0d97dea3418","lessThan":"f4f5bd9251a4cbe55aaa05725c6c3c32ad1f74b3","status":"affected","versionType":"git"},{"version":"be20aa9dbadc8c06283784ee12bbc0d97dea3418","lessThan":"33e8f24b52d2796b8cfb28c19a1a7dd6476323a8","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/btrfs/ctree.c"],"versions":[{"version":"2.6.29","status":"affected"},{"version":"0","lessThan":"2.6.29","status":"unaffected","versionType":"semver"},{"version":"6.1.149","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.103","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.44","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.16.4","lessThanOrEqual":"6.16.*","status":"unaffected","versionType":"semver"},{"version":"6.17","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.29","versionEndExcluding":"6.1.149"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.29","versionEndExcluding":"6.6.103"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.29","versionEndExcluding":"6.12.44"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.29","versionEndExcluding":"6.16.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.29","versionEndExcluding":"6.17"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/4290e34fb87ae556b12c216efd0ae91583446b7a"},{"url":"https://git.kernel.org/stable/c/4734255ef39b416864139dcda96a387fe5f33a6a"},{"url":"https://git.kernel.org/stable/c/da2124719f386b6e5d4d4b1a2e67c440e4d5892f"},{"url":"https://git.kernel.org/stable/c/f4f5bd9251a4cbe55aaa05725c6c3c32ad1f74b3"},{"url":"https://git.kernel.org/stable/c/33e8f24b52d2796b8cfb28c19a1a7dd6476323a8"}],"title":"btrfs: abort transaction on unexpected eb generation at btrfs_copy_root()","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html"}],"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2025-11-03T17:43:30.834Z"}},{"x_adpType":"supplier","providerMetadata":{"orgId":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e","shortName":"siemens-SADP","dateUpdated":"2026-05-12T12:07:08.998Z"},"affected":[{"vendor":"Siemens","product":"SIMATIC CN 4100","versions":[{"status":"affected","version":"0","lessThan":"V5.0","versionType":"custom"}],"defaultStatus":"unknown"}],"references":[{"url":"https://cert-portal.siemens.com/productcert/html/ssa-032379.html"}]}]}}