CVE-2012-2119

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "secalert@redhat.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "DEB7BA7C-580F-4A05-8A66-2FC332E9FE4C", "versionEndIncluding": "3.4.4", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:3.4:*:*:*:*:*:*:*", "matchCriteriaId": "0F960FA6-F904-4A4E-B483-44C70090E9A1", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:3.4.1:*:*:*:*:*:*:*", "matchCriteriaId": "A0F36FAC-141D-476D-84C5-A558C199F904", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:3.4.2:*:*:*:*:*:*:*", "matchCriteriaId": "51D64824-25F6-4761-BD6A-29038A143744", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:3.4.3:*:*:*:*:*:*:*", "matchCriteriaId": "E284C8A1-740F-454D-A774-99CD3A21B594", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Buffer overflow in the macvtap device driver in the Linux kernel before 3.4.5, when running in certain configurations, allows privileged KVM guest users to cause a denial of service (crash) via a long descriptor with a long vector length."}, {"lang": "es", "value": "Desbordamiento de b\u00fafer en el controlador de dispositivo macvtap en el kernel de Linux anteriores a v3.4.5, cuando se ejecuta en ciertas configuraciones, permite a los usuarios invitados KVM privilegiados causar una denegaci\u00f3n de servicio (ca\u00edda) a trav\u00e9s de un descriptor largo con una longitud de vector de larga."}], "id": "CVE-2012-2119", "lastModified": "2026-06-16T23:41:01.777", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "ADJACENT_NETWORK", "authentication": "SINGLE", "availabilityImpact": "COMPLETE", "baseScore": 5.2, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:A/AC:M/Au:S/C:N/I:N/A:C", "version": "2.0"}, "exploitabilityScore": 4.4, "impactScore": 6.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2013-01-22T23:55:01.057", "references": [{"source": "secalert@redhat.com", "url": "http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=814278"}, {"source": "secalert@redhat.com", "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=b92946e2919134ebe2a4083e4302236295ea2a73"}, {"source": "secalert@redhat.com", "url": "http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00005.html"}, {"source": "secalert@redhat.com", "url": "http://marc.info/?l=linux-netdev&m=133455718001608&w=2"}, {"source": "secalert@redhat.com", "url": "http://rhn.redhat.com/errata/RHSA-2012-0743.html"}, {"source": "secalert@redhat.com", "url": "http://ubuntu.com/usn/usn-1529-1"}, {"source": "secalert@redhat.com", "url": "http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.5"}, {"source": "secalert@redhat.com", "url": "http://www.openwall.com/lists/oss-security/2012/04/19/14"}, {"source": "secalert@redhat.com", "url": "https://github.com/torvalds/linux/commit/b92946e2919134ebe2a4083e4302236295ea2a73"}, {"source": "secalert@redhat.com", "url": "https://oss.oracle.com/git/?p=redpatch.git%3Ba=commit%3Bh=4aae94d1c7b32316911c86176c0ed4f8ed62da73"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=814278"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=b92946e2919134ebe2a4083e4302236295ea2a73"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00005.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://marc.info/?l=linux-netdev&m=133455718001608&w=2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://rhn.redhat.com/errata/RHSA-2012-0743.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://ubuntu.com/usn/usn-1529-1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.5"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2012/04/19/14"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://github.com/torvalds/linux/commit/b92946e2919134ebe2a4083e4302236295ea2a73"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://oss.oracle.com/git/?p=redpatch.git%3Ba=commit%3Bh=4aae94d1c7b32316911c86176c0ed4f8ed62da73"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-119"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2012:0743", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "kernel-0:2.6.32-220.23.1.el6", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2012-06-18T00:00:00Z"}], "bugzilla": {"description": "kernel: macvtap: zerocopy: vector length is not validated before pinning user pages", "id": "814278", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=814278"}, "csaw": false, "cvss": {"cvss_base_score": "5.2", "cvss_scoring_vector": "AV:A/AC:M/Au:S/C:N/I:N/A:C", "status": "verified"}, "details": ["Buffer overflow in the macvtap device driver in the Linux kernel before 3.4.5, when running in certain configurations, allows privileged KVM guest users to cause a denial of service (crash) via a long descriptor with a long vector length."], "name": "CVE-2012-2119", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/a:redhat:enterprise_mrg:2", "fix_state": "Not affected", "package_name": "realtime-kernel", "product_name": "Red Hat Enterprise MRG 2"}], "public_date": "2012-04-16T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2012-2119\nhttps://nvd.nist.gov/vuln/detail/CVE-2012-2119"], "threat_severity": "Important"}

{}