An issue was discovered in ip_ra_control in net/ipv4/ip_sockglue.c in the Linux kernel through 5.1.5. There is an unchecked kmalloc of new_ra, which might allow an attacker to cause a denial of service (NULL pointer dereference and system crash). CREATE(Triage): {Link=https://nvd.nist.gov/vuln/detail/CVE-2019-12381 User=admin}