CVE-2013-4494

Name: CVE-2013-4494
Creator: NVD / NIST
Published: 2013-11-02T18:55:03.25+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.67%

Last modified Jun 16, 2026

CVE-2013-4494 is a vulnerability of currently unknown severity. Xen before 4.1.x, 4.2.x, and 4.3.x does not take the page_alloc_lock and grant_table.lock in the same order, which allows local guest administrators with access to multiple vcpus to cause a denial of service (host deadlock) via unspecified vectors.. EPSS estimates a 0.67% chance of exploitation in the next 30 days.

Description

Xen before 4.1.x, 4.2.x, and 4.3.x does not take the page_alloc_lock and grant_table.lock in the same order, which allows local guest administrators with access to multiple vcpus to cause a denial of service (host deadlock) via unspecified vectors.

Metrics

EPSS Probability

0.67%

47.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Xen	Xen	>= 4.1.0, <= 4.1.6.1
Xen	Xen	>= 4.2.0, <= 4.2.5
Xen	Xen	>= 4.3.0, <= 4.3.4
Debian	Debian Linux	7.0

References

http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00015.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2014-04/msg00000.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2013-12/msg00059.htmlMailing List, Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2014-0108.htmlThird Party Advisory
http://security.gentoo.org/glsa/glsa-201407-03.xmlThird Party Advisory
http://www.debian.org/security/2014/dsa-3006Third Party Advisory
http://www.openwall.com/lists/oss-security/2013/11/01/2Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2013/11/01/3Mailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00015.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2014-04/msg00000.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2013-12/msg00059.htmlMailing List, Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2014-0108.htmlThird Party Advisory
http://security.gentoo.org/glsa/glsa-201407-03.xmlThird Party Advisory
http://www.debian.org/security/2014/dsa-3006Third Party Advisory
http://www.openwall.com/lists/oss-security/2013/11/01/2Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2013/11/01/3Mailing List, Third Party Advisory

Timeline

Published: Nov 2, 2013
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2013-4494?

How severe is CVE-2013-4494?

Severity scoring for CVE-2013-4494 is pending analysis. The EPSS model estimates a 0.67% probability of exploitation in the next 30 days.

How do I fix CVE-2013-4494?

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-2013-4494?

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

Scan your code now

Source: NVD / NIST