{"id":"AZL-33496","summary":"CVE-2023-3773 affecting package hyperv-daemons for versions less than 5.15.158.1-1","details":"A flaw was found in the Linux kernel’s IP framework for transforming packets (XFRM subsystem). This issue may allow a malicious user with CAP_NET_ADMIN privileges to cause a 4 byte out-of-bounds read of XFRMA_MTIMER_THRESH when parsing netlink attributes, leading to potential leakage of sensitive heap data to userspace.","modified":"2026-04-01T05:11:10.926422Z","published":"2023-07-25T16:15:11Z","upstream":["CVE-2023-3773"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-3773"}],"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-33496.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N"}]}