Vulnerability Description
Certain MMU virtualization operations in Xen 4.2.x through 4.4.x, when using shadow pagetables, 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-2014-5146.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Opensuse | Opensuse | 13.1 |
| Xen | Xen | 4.2.0 |
Related Weaknesses (CWE)
References
- http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136980.htm
- http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136981.htm
- 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/69199Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1030723Third Party AdvisoryVDB Entry
- http://xenbits.xen.org/xsa/advisory-97.htmlPatchVendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/95235
- https://security.gentoo.org/glsa/201504-04
- http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136980.htm
- http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136981.htm
- 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/69199Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1030723Third Party AdvisoryVDB Entry
FAQ
What is CVE-2014-5149?
CVE-2014-5149 is a vulnerability with a CVSS score of 4.7 (MEDIUM). Certain MMU virtualization operations in Xen 4.2.x through 4.4.x, when using shadow pagetables, are not preemptible, which allows local HVM guest to cause a denial of service (vcpu consumption) by inv...
How severe is CVE-2014-5149?
CVE-2014-5149 has been rated MEDIUM with a CVSS base score of 4.7/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2014-5149?
Check the references section above for vendor advisories and patch information. Affected products include: Opensuse Opensuse, Xen Xen.