{"id":"AZL-30054","summary":"CVE-2023-42753 affecting package hyperv-daemons for versions less than 5.15.133.1-1","details":"An array indexing vulnerability was found in the netfilter subsystem of the Linux kernel. A missing macro could lead to a miscalculation of the `h-\u003enets` array offset, providing attackers with the primitive to arbitrarily increment/decrement a memory buffer out-of-bound. This issue may allow a local user to crash the system or potentially escalate their privileges on the system.","modified":"2026-04-01T05:09:53.507983Z","published":"2023-09-25T21:15:15Z","upstream":["CVE-2023-42753"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-42753"}],"affected":[{"package":{"name":"hyperv-daemons","ecosystem":"Azure Linux:2","purl":"pkg:rpm/azure-linux/hyperv-daemons"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.15.133.1-1"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-30054.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"}]}