CVE-2012-5513

Description

The XENMEM_exchange handler in Xen 4.2 and earlier does not properly check the memory address, which allows local PV guest OS administrators to cause a denial of service (crash) or possibly gain privileges via unspecified vectors that overwrite memory in the hypervisor reserved range.

Category

6.9
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 0.14%
Vendor Advisory redhat.com 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 secunia.com Vendor Advisory secunia.com Vendor Advisory secunia.com Vendor Advisory secunia.com Vendor Advisory secunia.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://rhn.redhat.com/errata/RHSA-2012-1540.html vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2014-04/msg00000.html vendor advisory
http://secunia.com/advisories/55082 third party advisory
http://lists.opensuse.org/opensuse-security-announce/2013-01/msg00011.html vendor advisory
http://www.openwall.com/lists/oss-security/2012/12/03/11 mailing list
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://www.securityfocus.com/bid/56797 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
https://exchange.xforce.ibmcloud.com/vulnerabilities/80482 vdb entry
http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00019.html vendor advisory
http://www.osvdb.org/88131 vdb entry
http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00001.html vendor advisory
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-2012-5513?
CVE-2012-5513 has been scored as a medium severity vulnerability.
How to fix CVE-2012-5513?
To fix CVE-2012-5513, 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-2012-5513 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2012-5513 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.
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