{"id":"AZL-10820","summary":"CVE-2022-1263 affecting package kernel for versions less than 5.15.67.1-4","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":"2026-04-01T05:06:26.472877Z","published":"2022-08-31T16:15:09Z","upstream":["CVE-2022-1263"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-1263"}],"affected":[{"package":{"name":"kernel","ecosystem":"Azure Linux:2","purl":"pkg:rpm/azure-linux/kernel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.15.67.1-4"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-10820.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}