btrfs: abort transaction on unexpected eb generation at btrfs_copy_root()
3Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackepss 0.1%
exploitation probability
0.1%top 97% of all CVEs
observed exploitation
nono source reports it
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.
Affected products
Linux · LinuxReferences
https://cert-portal.siemens.com/productcert/html/ssa-032379.htmlhttps://git.kernel.org/stable/c/33e8f24b52d2796b8cfb28c19a1a7dd6476323a8https://git.kernel.org/stable/c/4290e34fb87ae556b12c216efd0ae91583446b7ahttps://git.kernel.org/stable/c/4734255ef39b416864139dcda96a387fe5f33a6ahttps://git.kernel.org/stable/c/da2124719f386b6e5d4d4b1a2e67c440e4d5892fhttps://git.kernel.org/stable/c/f4f5bd9251a4cbe55aaa05725c6c3c32ad1f74b3https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html