{"id":"AZL-6509","summary":"CVE-2010-0309 affecting package kernel for versions less than 5.10.78.1-1","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":"2026-04-21T04:37:29.426232Z","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:2","purl":"pkg:rpm/azure-linux/kernel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.10.78.1-1"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-6509.json"}}],"schema_version":"1.7.5"}