CVE-2019-19036

Name of the Vulnerable Software and Affected Versions Linux kernel versions through 5.3.12

Description The issue is related to a NULL pointer dereference in the btrfs root node function, located in fs/btrfs/ctree.c. This can be triggered because rcu dereference(root->node) can be zero, leading to a potential denial of service. An attacker could exploit this to cause a service disruption.

Recommendations For Linux kernel versions through 5.3.12, update to a version newer than 5.3.12 to resolve the issue. At the moment, there is no information about other specific mitigation measures for this vulnerability.