Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

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.

Published

2013-12-27T01:55:05.190

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 5.5 (MEDIUM)

CVSSv2 Vector

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

Access Vector: ADJACENT_NETWORK
Access Complexity: LOW
Authentication: SINGLE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: COMPLETE

Exploitability Score

5.1

Impact Score

6.9

Weaknesses

Type: Primary
CWE-476

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	xen	xen	< 3.3.0	Yes
Operating System	redhat	enterprise_linux_desktop	5.0	Yes
Operating System	redhat	enterprise_linux_server	5.0	Yes
Operating System	redhat	enterprise_linux_workstation	5.0	Yes

References

http://rhn.redhat.com/errata/RHSA-2011-1212.html Third Party Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2011/08/30/1 Mailing List, Third Party Advisory ([email protected])
http://xenbits.xen.org/hg/xen-3.1-testing.hg/rev/15644 Patch, Vendor Advisory ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=718882 Issue Tracking, Third Party Advisory ([email protected])
http://rhn.redhat.com/errata/RHSA-2011-1212.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2011/08/30/1 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://xenbits.xen.org/hg/xen-3.1-testing.hg/rev/15644 Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.redhat.com/show_bug.cgi?id=718882 Issue Tracking, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)