{"id":"CVE-2022-1263","details":"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.","modified":"2026-05-15T11:53:51.554803429Z","published":"2022-08-31T15:33:00Z","related":["SUSE-SU-2022:3585-1","SUSE-SU-2022:3844-1","SUSE-SU-2022:4617-1"],"database_specific":{"cwe_ids":["CWE-476"],"cna_assigner":"redhat","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/1xxx/CVE-2022-1263.json"},"references":[{"type":"WEB","url":"https://access.redhat.com/security/cve/CVE-2022-1263"},{"type":"WEB","url":"https://www.openwall.com/lists/oss-security/2022/04/07/1"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/1xxx/CVE-2022-1263.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-1263"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2072698"},{"type":"FIX","url":"https://github.com/torvalds/linux/commit/5593473a1e6c743764b08e3b6071cb43b5cfa6c4"}],"schema_version":"1.7.5"}