{"id":"AZL-34841","summary":"CVE-2010-0309 affecting package kernel for versions less than 6.6.35.1-4","details":"The pit_ioport_read function in the Programmable Interval Timer (PIT) emulation in i8254.c in KVM 83 does not properly use the pit_state data structure, which allows guest OS users to cause a denial of service (host OS crash or hang) by attempting to read the /dev/port file.","modified":"2026-04-21T04:27:29.160102Z","published":"2010-02-12T19:30:00Z","upstream":["CVE-2010-0309"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2010-0309"}],"affected":[{"package":{"name":"kernel","ecosystem":"Azure Linux:3","purl":"pkg:rpm/azure-linux/kernel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.6.35.1-4"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-34841.json"}}],"schema_version":"1.7.5"}