CVE-2012-4538
8.5 High
AI Score
Confidence
High
4.9 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:N/I:N/A:C
0.001 Low
EPSS
Percentile
27.7%
The HVMOP_pagetable_dying hypercall in Xen 4.0, 4.1, and 4.2 does not properly check the pagetable state when running on shadow pagetables, which allows a local HVM guest OS to cause a denial of service (hypervisor crash) via unspecified vectors.
References
lists.opensuse.org/opensuse-security-announce/2012-11/msg00008.html
lists.opensuse.org/opensuse-security-announce/2012-11/msg00009.html
lists.opensuse.org/opensuse-security-announce/2012-11/msg00017.html
lists.opensuse.org/opensuse-security-announce/2012-11/msg00018.html
lists.opensuse.org/opensuse-security-announce/2012-12/msg00001.html
lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.html
lists.xen.org/archives/html/xen-announce/2012-11/msg00004.html
osvdb.org/87306
secunia.com/advisories/51200
secunia.com/advisories/51324
secunia.com/advisories/51352
secunia.com/advisories/51413
secunia.com/advisories/51468
secunia.com/advisories/55082
security.gentoo.org/glsa/glsa-201309-24.xml
www.debian.org/security/2012/dsa-2582
www.openwall.com/lists/oss-security/2012/11/13/3
www.securityfocus.com/bid/56498
www.securitytracker.com/id?1027762
exchange.xforce.ibmcloud.com/vulnerabilities/80025
security.gentoo.org/glsa/201604-03
Related
8.5 High
AI Score
Confidence
High
4.9 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:N/I:N/A:C
0.001 Low
EPSS
Percentile
27.7%