CVE-2012-5515

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.

4.7

CVSS

Severity: Medium

CVSS 2.0 •

EPSS 0.14%

Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory gentoo.org Vendor Advisory debian.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory xen.org Vendor Advisory secunia.com Vendor Advisory secunia.com Vendor Advisory secunia.com Vendor Advisory secunia.com Vendor Advisory secunia.com

Affected: n/a n/a

References

Link	Tags
http://lists.opensuse.org/opensuse-security-announce/2014-04/msg00000.html	vendor advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/80479	vdb entry
http://secunia.com/advisories/55082	third party advisory
http://lists.opensuse.org/opensuse-security-announce/2013-01/msg00011.html	vendor advisory
http://lists.opensuse.org/opensuse-updates/2013-04/msg00052.html	vendor advisory
http://support.citrix.com/article/CTX135777
http://security.gentoo.org/glsa/glsa-201309-24.xml	vendor advisory
http://www.debian.org/security/2012/dsa-2582	vendor advisory
http://secunia.com/advisories/51397	third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00018.html	vendor advisory
http://secunia.com/advisories/51486	third party advisory vendor advisory
http://secunia.com/advisories/51487	third party advisory vendor advisory
http://lists.xen.org/archives/html/xen-announce/2012-12/msg00001.html	mailing list vendor advisory
http://www.securityfocus.com/bid/56798	vdb entry
http://www.osvdb.org/88127	vdb entry
http://secunia.com/advisories/51468	third party advisory vendor advisory
http://lists.opensuse.org/opensuse-updates/2013-04/msg00051.html	vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.html	vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00019.html	vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00001.html	vendor advisory
http://www.openwall.com/lists/oss-security/2012/12/03/9	mailing list
http://secunia.com/advisories/51495	third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00000.html	vendor advisory

Frequently Asked Questions

What is the severity of CVE-2012-5515?: CVE-2012-5515 has been scored as a medium severity vulnerability.
How to fix CVE-2012-5515?: To fix CVE-2012-5515, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2012-5515 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2012-5515 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.