Denial Of Service (DoS)

kernel is vulnerable to denial of service. A race condition getoldroot in fs/btrfs/ctree.c allows attackers to cause a denial of service due to the lack of locking on an extent buffer before a cloning operation...

CVE-2019-19036

A NULL pointer dereference flaw in the btrfsrootnode in fs/btrfs/ctree.c may occur if the rcudereference function return is not validated in time of failure. This flaw could allow an attacker to crash the system or leak internal kernel information. Mitigation Mitigation for this issue is either n...