CVE-2011-2519

Name: CVE-2011-2519
Creator: NVD / NIST
Published: 2013-12-27T01:55:05.19+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.68%

Last modified Jun 16, 2026

CVE-2011-2519 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 0.68% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

0.68%

47.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-476

Affected Software

Vendor	Product	Versions
Xen	Xen	< 3.3.0
Redhat	Enterprise Linux Desktop	5.0
Redhat	Enterprise Linux Server	5.0
Redhat	Enterprise Linux Workstation	5.0

References

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

Timeline

Published: Dec 27, 2013
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2011-2519?

How severe is CVE-2011-2519?

Severity scoring for CVE-2011-2519 is pending analysis. The EPSS model estimates a 0.68% probability of exploitation in the next 30 days.

How do I fix CVE-2011-2519?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2011-2519?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST