CVE-2025-39800
btrfs: abort transaction on unexpected eb generation at btrfs_copy_root()
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
In the Linux kernel, the following vulnerability has been resolved: btrfs: abort transaction on unexpected eb generation at btrfs_copy_root() If we find an unexpected generation for the extent buffer we are cloning at btrfs_copy_root(), we just WARN_ON() and don't error out and abort the transaction, meaning we allow to persist metadata with an unexpected generation. Instead of warning only, abort the transaction and return -EUCLEAN.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Sep 15, 2025 |
| Last Updated | May 12, 2026 |
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Affected Versions
Linux / Linux
be20aa9dbadc8c06283784ee12bbc0d97dea3418 < 4290e34fb87ae556b12c216efd0ae91583446b7a be20aa9dbadc8c06283784ee12bbc0d97dea3418 < 4734255ef39b416864139dcda96a387fe5f33a6a be20aa9dbadc8c06283784ee12bbc0d97dea3418 < da2124719f386b6e5d4d4b1a2e67c440e4d5892f be20aa9dbadc8c06283784ee12bbc0d97dea3418 < f4f5bd9251a4cbe55aaa05725c6c3c32ad1f74b3 be20aa9dbadc8c06283784ee12bbc0d97dea3418 < 33e8f24b52d2796b8cfb28c19a1a7dd6476323a8
Linux / Linux
2.6.29
References
git.kernel.org: https://git.kernel.org/stable/c/4290e34fb87ae556b12c216efd0ae91583446b7a git.kernel.org: https://git.kernel.org/stable/c/4734255ef39b416864139dcda96a387fe5f33a6a git.kernel.org: https://git.kernel.org/stable/c/da2124719f386b6e5d4d4b1a2e67c440e4d5892f git.kernel.org: https://git.kernel.org/stable/c/f4f5bd9251a4cbe55aaa05725c6c3c32ad1f74b3 git.kernel.org: https://git.kernel.org/stable/c/33e8f24b52d2796b8cfb28c19a1a7dd6476323a8 lists.debian.org: https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html cert-portal.siemens.com: https://cert-portal.siemens.com/productcert/html/ssa-032379.html