{"id":"CVE-2010-0309","state":"PUBLISHED","title":"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","description":"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.","publishedAt":"2010-02-12T19:00:00.000Z","updatedAt":"2024-08-07T00:45:12.089Z","severity":null,"assigner":"redhat","products":["n/a n/a"],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":["http://www.securityfocus.com/bid/38158","http://www.ubuntu.com/usn/USN-914-1","http://www.vupen.com/english/advisories/2010/0638","https://rhn.redhat.com/errata/RHSA-2010-0088.html","http://secunia.com/advisories/38922","http://www.openwall.com/lists/oss-security/2010/02/02/4","http://www.debian.org/security/2010/dsa-1996","https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11095","https://bugzilla.redhat.com/show_bug.cgi?id=560887","http://www.openwall.com/lists/oss-security/2010/02/02/1","http://www.mail-archive.com/kvm%40vger.kernel.org/msg28002.html","https://rhn.redhat.com/errata/RHSA-2010-0095.html","http://secunia.com/advisories/38492"],"weaknesses":[],"ingestedAt":"2026-10-29T19:39:30.739Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2010/0xxx/CVE-2010-0309.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2010-0309","state":"PUBLISHED","datePublished":"2010-02-12T19:00:00.000Z","dateUpdated":"2024-08-07T00:45:12.089Z","assignerShortName":"redhat","assignerOrgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","dateReserved":"2010-01-12T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":[{"url":"http://www.securityfocus.com/bid/38158","name":"38158","tags":["vdb-entry","x_refsource_BID"]},{"url":"http://www.ubuntu.com/usn/USN-914-1","name":"USN-914-1","tags":["vendor-advisory","x_refsource_UBUNTU"]},{"url":"http://www.vupen.com/english/advisories/2010/0638","name":"ADV-2010-0638","tags":["vdb-entry","x_refsource_VUPEN"]},{"url":"https://rhn.redhat.com/errata/RHSA-2010-0088.html","name":"RHSA-2010:0088","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"http://secunia.com/advisories/38922","name":"38922","tags":["third-party-advisory","x_refsource_SECUNIA"]},{"url":"http://www.openwall.com/lists/oss-security/2010/02/02/4","name":"[oss-security] 20100202 Re: CVE request - 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