CVE ID:	CVE-2022-1263
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.
Test IDs:	None available
Cross References:	Common Vulnerability Exposure (CVE) ID: CVE-2022-1263 https://access.redhat.com/security/cve/CVE-2022-1263 https://access.redhat.com/security/cve/CVE-2022-1263 https://bugzilla.redhat.com/show_bug.cgi?id=2072698 https://bugzilla.redhat.com/show_bug.cgi?id=2072698 https://github.com/torvalds/linux/commit/5593473a1e6c743764b08e3b6071cb43b5cfa6c4 https://github.com/torvalds/linux/commit/5593473a1e6c743764b08e3b6071cb43b5cfa6c4 https://www.openwall.com/lists/oss-security/2022/04/07/1 https://www.openwall.com/lists/oss-security/2022/04/07/1