CVE-2025-39884

Mode C: The provided documents describe CVE-2025-39884 as a Linux kernel (btrfs) race where eviction and inode caching can lose a live btrfs_inode in root->inodes, breaking subvolume deletion. The root cause is a window in evict() between unhashed inode removal and xarray deletion, allowing a ...

The vulnerabilities of the functions btrfs_maybe_wake_unfinished Drop() and btrfs_add_dead_root() of the Linux kernel’s Btrfs component allow a malicious actor to trigger a service failure due to improper locking mechanisms.

The vulnerabilities of the functions btrfsmaybewakeunfinished Drop and btrfsadddeadroot in the Linux kernel’s Btrfs component are related to improper locking mechanisms. Exploiting these vulnerabilities could allow an attacker to trigger a service failure...