CVE-2011-2519

Xen in the Linux kernel, when running a guest on a host without hardware assisted paging (HAP), allows guest users to cause a denial of service (invalid pointer dereference and hypervisor crash) via the SAHF instruction.

CVSS v2.0 5.5 MEDIUM

5.5^/10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:A/AC:L/Au:S/C:N/I:N/A:C

Exploitability : 5.1 / Impact : 6.9

Access Vector ADJACENT_NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

References

Link	Resource
http://xenbits.xen.org/hg/xen-3.1-testing.hg/rev/15644	Patch Vendor Advisory
http://rhn.redhat.com/errata/RHSA-2011-1212.html	Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=718882	Issue Tracking Third Party Advisory
http://www.openwall.com/lists/oss-security/2011/08/30/1	Mailing List Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:o:redhat:enterprise_linux_desktop:5.0:::::::*
	cpe:2.3:o:redhat:enterprise_linux_server:5.0:::::::*
	cpe:2.3:o:redhat:enterprise_linux_workstation:5.0:::::::*

Information

Published : 2013-12-26 17:55

Updated : 2020-12-08 07:25

NVD link : CVE-2011-2519

Mitre link : CVE-2011-2519

JSON object : View

CWE

CWE-476

NULL Pointer Dereference

Products Affected

redhat

enterprise_linux_desktop
enterprise_linux_server
enterprise_linux_workstation

xen

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5.5 /10