Description
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.
References (4)
Core 4
Core References
Mailing List, Third Party Advisory mailing-list
x_refsource_mlist
http://www.openwall.com/lists/oss-security/2011/08/30/1
Third Party Advisory vendor-advisory
x_refsource_redhat
http://rhn.redhat.com/errata/RHSA-2011-1212.html
Issue Tracking, Third Party Advisory x_refsource_confirm
https://bugzilla.redhat.com/show_bug.cgi?id=718882
Patch, Vendor Advisory x_refsource_misc
http://xenbits.xen.org/hg/xen-3.1-testing.hg/rev/15644
Scores
EPSS
0.0014
EPSS Percentile
33.2%
Details
CWE
CWE-476
Status
published
Products (4)
redhat/enterprise_linux_desktop
5.0
redhat/enterprise_linux_server
5.0
redhat/enterprise_linux_workstation
5.0
xen/xen
< 3.3.0
Published
Dec 27, 2013
Tracked Since
Feb 18, 2026