CVE-2022-1263 A NULL pointer dereference issue was found in KVM when releasing a vCPU with dirty ring support enabled

Description

A NULL pointer dereference issue was found in KVM when releasing a vCPU with dirty ring support enabled. This flaw allows an unprivileged local attacker on the host to issue specific ioctl calls, causing a kernel oops condition that results in a denial of service.

Affected products and versions