Vulnerability Description
XENMEM_populate_physmap in Xen 4.0, 4.1, and 4.2, and Citrix XenServer 6.0.2 and earlier, when translating paging mode is not used, allows local PV OS guest kernels to cause a denial of service (BUG triggered and host crash) via invalid flags such as MEMF_populate_on_demand.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Citrix | Xenserver | <= 6.0.2 |
| Xen | Xen | 4.0.0 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00003.html
- http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00004.html
- http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00012.html
- http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00017.html
- http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00018.html
- http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00017.html
- http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00018.html
- http://lists.xen.org/archives/html/xen-announce/2012-09/msg00002.htmlVendor Advisory
- http://secunia.com/advisories/50472Vendor Advisory
- http://secunia.com/advisories/50530Vendor Advisory
- http://secunia.com/advisories/51413
- http://secunia.com/advisories/55082
- http://security.gentoo.org/glsa/glsa-201309-24.xml
- http://securitytracker.com/id?1027481
- http://support.citrix.com/article/CTX134708PatchVendor Advisory
FAQ
What is CVE-2012-3496?
CVE-2012-3496 is a vulnerability with a CVSS score of 4.7 (MEDIUM). XENMEM_populate_physmap in Xen 4.0, 4.1, and 4.2, and Citrix XenServer 6.0.2 and earlier, when translating paging mode is not used, allows local PV OS guest kernels to cause a denial of service (BUG t...
How severe is CVE-2012-3496?
CVE-2012-3496 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-2012-3496?
Check the references section above for vendor advisories and patch information. Affected products include: Citrix Xenserver, Xen Xen.