{"containers":{"cna":{"affected":[{"product":"n/a","vendor":"n/a","versions":[{"status":"affected","version":"n/a"}]}],"datePublic":"2011-12-14T00:00:00.000Z","descriptions":[{"lang":"en","value":"The create_pit_timer function in arch/x86/kvm/i8254.c in KVM 83, and possibly other versions, does not properly handle when Programmable Interval Timer (PIT) interrupt requests (IRQs) when a virtual interrupt controller (irqchip) is not available, which allows local users to cause a denial of service (NULL pointer dereference) by starting a timer."}],"problemTypes":[{"descriptions":[{"description":"n/a","lang":"en","type":"text"}]}],"providerMetadata":{"dateUpdated":"2017-12-28T20:57:01.000Z","orgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","shortName":"redhat"},"references":[{"name":"RHSA-2012:0051","tags":["vendor-advisory","x_refsource_REDHAT"],"url":"http://www.redhat.com/support/errata/RHSA-2012-0051.html"},{"tags":["x_refsource_CONFIRM"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=769721"},{"name":"51172","tags":["vdb-entry","x_refsource_BID"],"url":"http://www.securityfocus.com/bid/51172"},{"name":"[oss-security] 20111221 Re: kernel: kvm: pit timer with no irqchip crashes the system","tags":["mailing-list","x_refsource_MLIST"],"url":"http://www.openwall.com/lists/oss-security/2011/12/21/7"},{"name":"[kvm] 20111214 [PATCH 1/2] KVM: x86: Prevent starting PIT timers in the absence of irqchip support","tags":["mailing-list","x_refsource_MLIST"],"url":"http://permalink.gmane.org/gmane.comp.emulators.kvm.devel/83564"},{"name":"SUSE-SU-2012:0616","tags":["vendor-advisory","x_refsource_SUSE"],"url":"http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00013.html"},{"name":"openSUSE-SU-2013:0925","tags":["vendor-advisory","x_refsource_SUSE"],"url":"http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00005.html"},{"name":"1026559","tags":["vdb-entry","x_refsource_SECTRACK"],"url":"http://www.securitytracker.com/id?1026559"}]},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-07T00:09:19.494Z"},"title":"CVE Program Container","references":[{"name":"RHSA-2012:0051","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred"],"url":"http://www.redhat.com/support/errata/RHSA-2012-0051.html"},{"tags":["x_refsource_CONFIRM","x_transferred"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=769721"},{"name":"51172","tags":["vdb-entry","x_refsource_BID","x_transferred"],"url":"http://www.securityfocus.com/bid/51172"},{"name":"[oss-security] 20111221 Re: kernel: kvm: pit timer with no irqchip crashes the system","tags":["mailing-list","x_refsource_MLIST","x_transferred"],"url":"http://www.openwall.com/lists/oss-security/2011/12/21/7"},{"name":"[kvm] 20111214 [PATCH 1/2] KVM: x86: Prevent starting PIT timers in the absence of irqchip support","tags":["mailing-list","x_refsource_MLIST","x_transferred"],"url":"http://permalink.gmane.org/gmane.comp.emulators.kvm.devel/83564"},{"name":"SUSE-SU-2012:0616","tags":["vendor-advisory","x_refsource_SUSE","x_transferred"],"url":"http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00013.html"},{"name":"openSUSE-SU-2013:0925","tags":["vendor-advisory","x_refsource_SUSE","x_transferred"],"url":"http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00005.html"},{"name":"1026559","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"],"url":"http://www.securitytracker.com/id?1026559"}]}]},"cveMetadata":{"assignerOrgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","assignerShortName":"redhat","cveId":"CVE-2011-4622","datePublished":"2012-01-27T15:00:00.000Z","dateReserved":"2011-11-29T00:00:00.000Z","dateUpdated":"2024-08-07T00:09:19.494Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.1"}