CVE-2012-2934

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:xen:xen:4.0.0:-:*:*:*:*:x64:*", "matchCriteriaId": "A5B2BADE-24F0-45A0-BB36-5B0D76D93F5C", "vulnerable": true}, {"criteria": "cpe:2.3:o:xen:xen:4.1.0:-:*:*:*:*:x64:*", "matchCriteriaId": "16FAE1DD-5E59-407A-857C-244814475212", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Xen 4.0, and 4.1, when running a 64-bit PV guest on \"older\" AMD CPUs, does not properly protect against a certain AMD processor bug, which allows local guest OS users to cause a denial of service (host hang) via sequential execution of instructions across a non-canonical boundary, a different vulnerability than CVE-2012-0217."}, {"lang": "es", "value": "Xen v4.0 y v4.1, cuando se ejecuta un cliente PV de 64-bit en CPUs AMD \"antiguas\", no protege adecuadamente contra un determiando fallo del procesador AMD, lo que permite a usuarios de sistemas operativos huesped provocar una denegaci\u00f3n de servicio (ca\u00edda del host) a trav\u00e9s de la ejecuci\u00f3n secuencial de las instrucciones. Se trata de una vulnerabilidad diferente a CVE-2012-0217a.\r\n"}], "id": "CVE-2012-2934", "lastModified": "2026-06-16T23:42:22.897", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 1.9, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:L/AC:M/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 3.4, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2012-12-03T21:55:01.597", "references": [{"source": "cve@mitre.org", "url": "http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00017.html"}, {"source": "cve@mitre.org", "url": "http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00018.html"}, {"source": "cve@mitre.org", "tags": ["Patch", "Vendor Advisory"], "url": "http://lists.xen.org/archives/html/xen-announce/2012-06/msg00002.html"}, {"source": "cve@mitre.org", "url": "http://secunia.com/advisories/51413"}, {"source": "cve@mitre.org", "url": "http://secunia.com/advisories/55082"}, {"source": "cve@mitre.org", "url": "http://security.gentoo.org/glsa/glsa-201309-24.xml"}, {"source": "cve@mitre.org", "url": "http://support.amd.com/us/Processor_TechDocs/25759.pdf"}, {"source": "cve@mitre.org", "url": "http://www.debian.org/security/2012/dsa-2501"}, {"source": "cve@mitre.org", "url": "http://www.securityfocus.com/bid/53961"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00017.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00018.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "http://lists.xen.org/archives/html/xen-announce/2012-06/msg00002.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://secunia.com/advisories/51413"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://secunia.com/advisories/55082"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://security.gentoo.org/glsa/glsa-201309-24.xml"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://support.amd.com/us/Processor_TechDocs/25759.pdf"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.debian.org/security/2012/dsa-2501"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/bid/53961"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"acknowledgement": "Red Hat would like to thank Xen project for reporting this issue.", "affected_release": [{"advisory": "RHSA-2012:0721", "cpe": "cpe:/o:redhat:enterprise_linux:5", "package": "kernel-0:2.6.18-308.8.2.el5", "product_name": "Red Hat Enterprise Linux 5", "release_date": "2012-06-12T00:00:00Z"}], "bugzilla": {"description": "kernel: denial of service due to AMD Erratum #121", "id": "824966", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=824966"}, "csaw": false, "cvss": {"cvss_base_score": "4.6", "cvss_scoring_vector": "AV:A/AC:H/Au:N/C:N/I:N/A:C", "status": "verified"}, "details": ["Xen 4.0, and 4.1, when running a 64-bit PV guest on \"older\" AMD CPUs, does not properly protect against a certain AMD processor bug, which allows local guest OS users to cause a denial of service (host hang) via sequential execution of instructions across a non-canonical boundary, a different vulnerability than CVE-2012-0217."], "name": "CVE-2012-2934", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Affected", "package_name": "kernel-xen", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/a:redhat:enterprise_mrg:2", "fix_state": "Not affected", "package_name": "realtime-kernel", "product_name": "Red Hat Enterprise MRG 2"}], "public_date": "2012-06-12T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2012-2934\nhttps://nvd.nist.gov/vuln/detail/CVE-2012-2934"], "statement": "This issue did not affect the versions of the Linux kernel as shipped with Red Hat Enterprise Linux 5 and 6, and Red Hat Enterprise MRG, as those versions have a guard page between the end of the user-mode accessible virtual address space and the beginning of the non-canonical area due to CVE-2005-1764 fix.\nThis issue did affect the versions of Xen hypervisor as shipped with Red Hat Enterprise Linux 5. A kernel-xen update for Red Hat Enterprise Linux 5 is available to address this flaw.", "threat_severity": "Moderate"}

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