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CVE-2012-3494

Good to know:

Date: November 23, 2012

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.

Language: C

Severity Score

5.7

Related Resources (27)

Url: http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00003.html

Url: http://www.debian.org/security/2012/dsa-2544

Url: http://secunia.com/advisories/51413

Url: http://wiki.xen.org/wiki/Security_Announcements#XSA-12_hypercall_set_debugreg_vulnerability

Url: https://nvd.nist.gov/vuln/detail/CVE-2012-3494

Url: http://www.securityfocus.com/bid/55400

Url: http://lists.xen.org/archives/html/xen-announce/2012-09/msg00000.html

Url: http://secunia.com/advisories/55082

Url: http://support.citrix.com/article/CTX134708

Url: http://osvdb.org/85197

Url: http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00017.html

Url: http://secunia.com/advisories/50530

Url: http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00017.html

Url: http://secunia.com/advisories/50472

Url: http://security.gentoo.org/glsa/glsa-201309-24.xml

Url: https://exchange.xforce.ibmcloud.com/vulnerabilities/78265

Url: http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00005.html

Url: http://www.openwall.com/lists/oss-security/2012/09/05/5

Url: http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00004.html

Url: http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00001.html

Url: http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00018.html

Url: https://security.gentoo.org/glsa/201604-03

Url: http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00012.html

Url: http://www.securitytracker.com/id?1027479

Url: https://bugzilla.redhat.com/show_bug.cgi?id=851139

Url: http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00018.html

Url: https://www.mend.io/vulnerability-database/CVE-2012-3494

Severity Score

5.7

Weakness Type (CWE)

Permissions, Privileges, and Access Control

CWE-264

Top Fix

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CVSS v3.1

Base Score:	5.7
Attack Vector (AV):	ADJACENT_NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	LOW
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	HIGH

CVSS v2

Base Score:	2.1
Access Vector (AV):	LOCAL
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	PARTIAL
Additional information:

Mend.io Vulnerability Database

We found results for “”

CVE-2012-3494

Good to know:

Date: November 23, 2012

Language: C

Severity Score

Related Resources (27)

Severity Score

Weakness Type (CWE)

Top Fix

Upgrade Version

CVSS v3.1

CVSS v2

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