{"id":"AZL-27644","summary":"CVE-2023-3269 affecting package hyperv-daemons for versions less than 5.15.158.1-1","details":"A vulnerability exists in the memory management subsystem of the Linux kernel. The lock handling for accessing and updating virtual memory areas (VMAs) is incorrect, leading to use-after-free problems. This issue can be successfully exploited to execute arbitrary kernel code, escalate containers, and gain root privileges.","modified":"2026-04-01T05:09:20.825979Z","published":"2023-07-11T12:15:10Z","upstream":["CVE-2023-3269"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-3269"}],"affected":[{"package":{"name":"hyperv-daemons","ecosystem":"Azure Linux:2","purl":"pkg:rpm/azure-linux/hyperv-daemons"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.15.158.1-1"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-27644.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:H/I:H/A:H"}]}