{
    "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",
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            ],
            "providerMetadata": {
                "dateUpdated": "2017-12-28T20:57:01.000Z",
                "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
                "shortName": "redhat"
            },
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                {
                    "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"
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                        "url": "http://www.redhat.com/support/errata/RHSA-2012-0051.html"
                    },
                    {
                        "tags": [
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                            "x_transferred"
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                    },
                    {
                        "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"
}