Vulnerability Description
The get_page_from_gfn hypercall function in Xen 4.2 allows local PV guest OS administrators to cause a denial of service (crash) via a crafted GFN that triggers a buffer over-read.
CVSS Score
4.7
MEDIUM
AV:L/AC:M/Au:N/C:N/I:N/A:C
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Xen | Xen | 4.2.0 |
References
- http://secunia.com/advisories/51397Vendor Advisory
- http://secunia.com/advisories/55082
- http://security.gentoo.org/glsa/glsa-201309-24.xml
- http://www.openwall.com/lists/oss-security/2012/12/03/6
- http://www.osvdb.org/88133
- http://www.securityfocus.com/bid/56805
- https://exchange.xforce.ibmcloud.com/vulnerabilities/80480
- http://secunia.com/advisories/51397Vendor Advisory
- http://secunia.com/advisories/55082
- http://security.gentoo.org/glsa/glsa-201309-24.xml
- http://www.openwall.com/lists/oss-security/2012/12/03/6
- http://www.osvdb.org/88133
- http://www.securityfocus.com/bid/56805
- https://exchange.xforce.ibmcloud.com/vulnerabilities/80480
FAQ
What is CVE-2012-5525?
CVE-2012-5525 is a vulnerability with a CVSS score of 4.7 (MEDIUM). The get_page_from_gfn hypercall function in Xen 4.2 allows local PV guest OS administrators to cause a denial of service (crash) via a crafted GFN that triggers a buffer over-read.
How severe is CVE-2012-5525?
CVE-2012-5525 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-2012-5525?
Check the references section above for vendor advisories and patch information. Affected products include: Xen Xen.