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CVE-2012-2934

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Date: December 3, 2012

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.

Language: C

Severity Score

Related Resources (12)

https://nvd.nist.gov/vuln/detail/CVE-2012-2934
http://lists.xen.org/archives/html/xen-announce/2012-06/msg00002.html
http://www.securityfocus.com/bid/53961
http://www.debian.org/security/2012/dsa-2501
http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00017.html
http://secunia.com/advisories/55082
http://security.gentoo.org/glsa/glsa-201309-24.xml
http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00018.html
http://secunia.com/advisories/51413
https://access.redhat.com/security/cve/CVE-2012-2934
http://support.amd.com/us/Processor_TechDocs/25759.pdf
https://www.mend.io/vulnerability-database/CVE-2012-2934

Severity Score

Weakness Type (CWE)

Insufficient Information

NVD-CWE-noinfo

CVSS v3.1

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

CVSS v2

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

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