Vulnerability Description
The (1) XENMEM_decrease_reservation, (2) XENMEM_populate_physmap, and (3) XENMEM_exchange hypercalls in Xen 4.2 and earlier allow local guest administrators to cause a denial of service (long loop and hang) via a crafted extent_order value.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Xen | Xen | <= 4.2.0 |
References
- http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00000.html
- http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00001.html
- http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00018.html
- http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00019.html
- http://lists.opensuse.org/opensuse-security-announce/2013-01/msg00011.html
- http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.html
- http://lists.opensuse.org/opensuse-security-announce/2014-04/msg00000.html
- http://lists.opensuse.org/opensuse-updates/2013-04/msg00051.html
- http://lists.opensuse.org/opensuse-updates/2013-04/msg00052.html
- http://lists.xen.org/archives/html/xen-announce/2012-12/msg00001.htmlVendor Advisory
- http://secunia.com/advisories/51397Vendor Advisory
- http://secunia.com/advisories/51468Vendor Advisory
- http://secunia.com/advisories/51486Vendor Advisory
- http://secunia.com/advisories/51487Vendor Advisory
- http://secunia.com/advisories/51495Vendor Advisory
FAQ
What is CVE-2012-5515?
CVE-2012-5515 is a vulnerability with a CVSS score of 4.7 (MEDIUM). The (1) XENMEM_decrease_reservation, (2) XENMEM_populate_physmap, and (3) XENMEM_exchange hypercalls in Xen 4.2 and earlier allow local guest administrators to cause a denial of service (long loop and...
How severe is CVE-2012-5515?
CVE-2012-5515 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-2012-5515?
Check the references section above for vendor advisories and patch information. Affected products include: Xen Xen.