CVE-2025-39800
Published: September 16, 2025Last modified: September 16, 2025
Description
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.
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | linux-lts | Fixed (6.1.151-r0) |
| 25 LTS | linux-lts | Fixed (6.12.44-r0) | |
| Stream | linux-lts | Fixed (6.12.44-r0) |
References
- https://git.kernel.org/stable/c/33e8f24b52d2796b8cfb28c19a1a7dd6476323a8
- https://git.kernel.org/stable/c/4290e34fb87ae556b12c216efd0ae91583446b7a
- https://git.kernel.org/stable/c/4734255ef39b416864139dcda96a387fe5f33a6a
- https://git.kernel.org/stable/c/da2124719f386b6e5d4d4b1a2e67c440e4d5892f
- https://git.kernel.org/stable/c/f4f5bd9251a4cbe55aaa05725c6c3c32ad1f74b3