CVE-2012-3494 (GCVE-0-2012-3494)
Vulnerability from cvelistv5
Published
2012-11-23 20:00
Modified
2024-08-06 20:05
Severity ?
CWE
  • n/a
Summary
The set_debugreg hypercall in include/asm-x86/debugreg.h in Xen 4.0, 4.1, and 4.2, and Citrix XenServer 6.0.2 and earlier, when running on x86-64 systems, allows local OS guest users to cause a denial of service (host crash) by writing to the reserved bits of the DR7 debug control register.
References
secalert@redhat.com http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00001.html
secalert@redhat.com http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00003.html
secalert@redhat.com http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00004.html
secalert@redhat.com http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00005.html
secalert@redhat.com http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00012.html
secalert@redhat.com http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00017.html
secalert@redhat.com http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00018.html
secalert@redhat.com http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00017.html
secalert@redhat.com http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00018.html
secalert@redhat.com http://lists.xen.org/archives/html/xen-announce/2012-09/msg00000.html
secalert@redhat.com http://osvdb.org/85197
secalert@redhat.com http://secunia.com/advisories/50472 Vendor Advisory
secalert@redhat.com http://secunia.com/advisories/50530 Vendor Advisory
secalert@redhat.com http://secunia.com/advisories/51413
secalert@redhat.com http://secunia.com/advisories/55082
secalert@redhat.com http://security.gentoo.org/glsa/glsa-201309-24.xml
secalert@redhat.com http://support.citrix.com/article/CTX134708 Patch, Vendor Advisory
secalert@redhat.com http://wiki.xen.org/wiki/Security_Announcements#XSA-12_hypercall_set_debugreg_vulnerability
secalert@redhat.com http://www.debian.org/security/2012/dsa-2544
secalert@redhat.com http://www.openwall.com/lists/oss-security/2012/09/05/5
secalert@redhat.com http://www.securityfocus.com/bid/55400
secalert@redhat.com http://www.securitytracker.com/id?1027479
secalert@redhat.com https://bugzilla.redhat.com/show_bug.cgi?id=851139
secalert@redhat.com https://exchange.xforce.ibmcloud.com/vulnerabilities/78265
secalert@redhat.com https://security.gentoo.org/glsa/201604-03
af854a3a-2127-422b-91ae-364da2661108 http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00001.html
af854a3a-2127-422b-91ae-364da2661108 http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00003.html
af854a3a-2127-422b-91ae-364da2661108 http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00004.html
af854a3a-2127-422b-91ae-364da2661108 http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00005.html
af854a3a-2127-422b-91ae-364da2661108 http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00012.html
af854a3a-2127-422b-91ae-364da2661108 http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00017.html
af854a3a-2127-422b-91ae-364da2661108 http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00018.html
af854a3a-2127-422b-91ae-364da2661108 http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00017.html
af854a3a-2127-422b-91ae-364da2661108 http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00018.html
af854a3a-2127-422b-91ae-364da2661108 http://lists.xen.org/archives/html/xen-announce/2012-09/msg00000.html
af854a3a-2127-422b-91ae-364da2661108 http://osvdb.org/85197
af854a3a-2127-422b-91ae-364da2661108 http://secunia.com/advisories/50472 Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 http://secunia.com/advisories/50530 Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 http://secunia.com/advisories/51413
af854a3a-2127-422b-91ae-364da2661108 http://secunia.com/advisories/55082
af854a3a-2127-422b-91ae-364da2661108 http://security.gentoo.org/glsa/glsa-201309-24.xml
af854a3a-2127-422b-91ae-364da2661108 http://support.citrix.com/article/CTX134708 Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 http://wiki.xen.org/wiki/Security_Announcements#XSA-12_hypercall_set_debugreg_vulnerability
af854a3a-2127-422b-91ae-364da2661108 http://www.debian.org/security/2012/dsa-2544
af854a3a-2127-422b-91ae-364da2661108 http://www.openwall.com/lists/oss-security/2012/09/05/5
af854a3a-2127-422b-91ae-364da2661108 http://www.securityfocus.com/bid/55400
af854a3a-2127-422b-91ae-364da2661108 http://www.securitytracker.com/id?1027479
af854a3a-2127-422b-91ae-364da2661108 https://bugzilla.redhat.com/show_bug.cgi?id=851139
af854a3a-2127-422b-91ae-364da2661108 https://exchange.xforce.ibmcloud.com/vulnerabilities/78265
af854a3a-2127-422b-91ae-364da2661108 https://security.gentoo.org/glsa/201604-03
Impacted products
Vendor Product Version
n/a n/a Version: n/a
Show details on NVD website

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    "dateReserved": "2012-06-14T00:00:00",
    "dateUpdated": "2024-08-06T20:05:12.655Z",
    "state": "PUBLISHED"
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  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2012-3494\",\"sourceIdentifier\":\"secalert@redhat.com\",\"published\":\"2012-11-23T20:55:03.057\",\"lastModified\":\"2025-04-11T00:51:21.963\",\"vulnStatus\":\"Deferred\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"The set_debugreg hypercall in include/asm-x86/debugreg.h in Xen 4.0, 4.1, and 4.2, and Citrix XenServer 6.0.2 and earlier, when running on x86-64 systems, allows local OS guest users to cause a denial of service (host crash) by writing to the reserved bits of the DR7 debug control register.\"},{\"lang\":\"es\",\"value\":\"La hiperllamada et_debugreg en include/asm-x86/debugreg.h en  Xen v4.0, v4.1, y v4.2, y Citrix XenServer v6.0.2 y anteriores, cuando se ejecuta sobre systemas x86-64, permite a usuarios locales del SO invitado generar una denegaci\u00f3n de servicio (ca\u00edda del host) mediante la escritura de ciertos bits reservados para el registro de control DR\"}],\"metrics\":{\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:L/AC:L/Au:N/C:N/I:N/A:P\",\"baseScore\":2.1,\"accessVector\":\"LOCAL\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"LOW\",\"exploitabilityScore\":3.9,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-264\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:citrix:xenserver:*:-:*:*:*:*:x64:*\",\"versionEndIncluding\":\"6.0.2\",\"matchCriteriaId\":\"2FB5F3E5-D607-4BF5-9BB5-187D2F683F18\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:citrix:xenserver:*:-:*:*:*:*:x86:*\",\"versionEndIncluding\":\"6.0.2\",\"matchCriteriaId\":\"CE28A81B-5201-4D49-888C-0160EF78D5F9\"},{\"vulnerable\":true,\"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:4.0.0:-:*:*:*:*:x86:*\",\"matchCriteriaId\":\"E5CCBFE1-4C48-4F64-8DDC-4A29EC5EBEF7\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:4.1.0:-:*:*:*:*:x64:*\",\"matchCriteriaId\":\"16FAE1DD-5E59-407A-857C-244814475212\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:4.1.0:-:*:*:*:*:x86:*\",\"matchCriteriaId\":\"855FD6AA-3288-49C4-BA09-D3685F5928E3\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:4.2.0:-:*:*:*:*:x64:*\",\"matchCriteriaId\":\"93206518-71F7-47A6-B980-06D8B0D3B5CE\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:4.2.0:-:*:*:*:*:x86:*\",\"matchCriteriaId\":\"D66B1908-FEEF-455E-8C26-65139BF59900\"}]}]}],\"references\":[{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00001.html\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00003.html\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00004.html\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00005.html\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00012.html\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00017.html\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00018.html\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00017.html\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00018.html\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://lists.xen.org/archives/html/xen-announce/2012-09/msg00000.html\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://osvdb.org/85197\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://secunia.com/advisories/50472\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"http://secunia.com/advisories/50530\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"http://secunia.com/advisories/51413\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://secunia.com/advisories/55082\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://security.gentoo.org/glsa/glsa-201309-24.xml\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://support.citrix.com/article/CTX134708\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Patch\",\"Vendor Advisory\"]},{\"url\":\"http://wiki.xen.org/wiki/Security_Announcements#XSA-12_hypercall_set_debugreg_vulnerability\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://www.debian.org/security/2012/dsa-2544\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://www.openwall.com/lists/oss-security/2012/09/05/5\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://www.securityfocus.com/bid/55400\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://www.securitytracker.com/id?1027479\",\"source\":\"secalert@redhat.com\"},{\"url\":\"https://bugzilla.redhat.com/show_bug.cgi?id=851139\",\"source\":\"secalert@redhat.com\"},{\"url\":\"https://exchange.xforce.ibmcloud.com/vulnerabilities/78265\",\"source\":\"secalert@redhat.com\"},{\"url\":\"https://security.gentoo.org/glsa/201604-03\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00001.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00003.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00004.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00005.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00012.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00017.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00018.html\",\"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\"},{\"url\":\"http://lists.xen.org/archives/html/xen-announce/2012-09/msg00000.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://osvdb.org/85197\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://secunia.com/advisories/50472\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor 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  }
}


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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
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