The vulnerability of the cow_file_range() function in the fs/btrfs/inode.c module of the file system Btrfs in the Linux kernel allows a attacker to cause a service failure.

The vulnerability of the cowfilerange function in the fs/btrfs/inode.c module of the btrfs file system in the Linux kernel lies in the absence of resource locking in case of errors. Exploiting this vulnerability could allow a attacker to cause a service failure...