CVE-2011-2519

medium

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

Advisories
More

https://bugzilla.redhat.com/show_bug.cgi?id=718882

http://www.openwall.com/lists/oss-security/2011/08/30/1

http://rhn.redhat.com/errata/RHSA-2011-1212.html

https://euvd.enisa.europa.eu/vulnerability/EUVD-2011-2504

http://xenbits.xen.org/hg/xen-3.1-testing.hg/rev/15644

Details

Source: Mitre, NVD

Published: 2013-12-27

Updated: 2026-06-16

Risk Information

CVSS v2

Base Score: 5.5

Vector: CVSS2#AV:A/AC:L/Au:S/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 5.5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H