CVE-2014-5146

Name: CVE-2014-5146
Creator: NVD / NIST
Published: 2014-08-22T14:55:08.283+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.43%

Last modified Jun 17, 2026

CVE-2014-5146 is a vulnerability of currently unknown severity. Certain MMU virtualization operations in Xen 4.2.x through 4.4.x before the xsa97-hap patch, when using Hardware Assisted Paging (HAP), are not preemptible, which allows local HVM guest to cause a denial of service (vcpu consumption) by invoking these operations, which process every page assigned to a guest, a different vulnerability than CVE-2014-5149.. EPSS estimates a 0.43% chance of exploitation in the next 30 days.

Description

Certain MMU virtualization operations in Xen 4.2.x through 4.4.x before the xsa97-hap patch, when using Hardware Assisted Paging (HAP), are not preemptible, which allows local HVM guest to cause a denial of service (vcpu consumption) by invoking these operations, which process every page assigned to a guest, a different vulnerability than CVE-2014-5149.

Metrics

EPSS Probability

0.43%

34.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-399

Affected Software

Vendor	Product	Versions
Opensuse	Opensuse	13.1
Opensuse	Opensuse	13.2
Xen	Xen	4.2.0
Xen	Xen	4.2.1
Xen	Xen	4.2.2
Xen	Xen	4.2.3
Xen	Xen	4.3.0
Xen	Xen	4.3.1
Xen	Xen	4.4.0

References

http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136980.html
http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136981.html
http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00005.htmlThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00010.htmlThird Party Advisory
http://www.securityfocus.com/bid/69198Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1030723Third Party Advisory, VDB Entry
http://xenbits.xen.org/xsa/advisory-97.htmlPatch, Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/95234
https://security.gentoo.org/glsa/201504-04
http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136980.html
http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136981.html
http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00005.htmlThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00010.htmlThird Party Advisory
http://www.securityfocus.com/bid/69198Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1030723Third Party Advisory, VDB Entry
http://xenbits.xen.org/xsa/advisory-97.htmlPatch, Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/95234
https://security.gentoo.org/glsa/201504-04

Timeline

Published: Aug 22, 2014
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2014-5146?

How severe is CVE-2014-5146?

Severity scoring for CVE-2014-5146 is pending analysis. The EPSS model estimates a 0.43% probability of exploitation in the next 30 days.

How do I fix CVE-2014-5146?

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-2014-5146?

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

Scan your code now

Source: NVD / NIST