CVE-2025-39800

Summary

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 Software

VendorProductVersion RangeStatus
LinuxLinuxbe20aa9dbadc8c06283784ee12bbc0d97dea3418 < 4290e34fb87ae556b12c216efd0ae91583446b7aaffected
LinuxLinuxbe20aa9dbadc8c06283784ee12bbc0d97dea3418 < 4734255ef39b416864139dcda96a387fe5f33a6aaffected
LinuxLinuxbe20aa9dbadc8c06283784ee12bbc0d97dea3418 < da2124719f386b6e5d4d4b1a2e67c440e4d5892faffected
LinuxLinuxbe20aa9dbadc8c06283784ee12bbc0d97dea3418 < f4f5bd9251a4cbe55aaa05725c6c3c32ad1f74b3affected
LinuxLinuxbe20aa9dbadc8c06283784ee12bbc0d97dea3418 < 33e8f24b52d2796b8cfb28c19a1a7dd6476323a8affected
LinuxLinux2.6.29affected
LinuxLinux0 < 2.6.29unaffected
LinuxLinux6.1.149 <= 6.1.*unaffected
LinuxLinux6.6.103 <= 6.6.*unaffected
LinuxLinux6.12.44 <= 6.12.*unaffected
LinuxLinux6.16.4 <= 6.16.*unaffected
LinuxLinux6.17 <= *unaffected

Weaknesses

ADP Enrichment

CVE Program Container

Additional References

Additional References

References