CVE-2012-3496

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.

Category

4.7
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 0.09%
Vendor Advisory gentoo.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory gentoo.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory debian.org Vendor Advisory xen.org Vendor Advisory secunia.com Vendor Advisory secunia.com Vendor Advisory citrix.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://secunia.com/advisories/55082 third party advisory
http://secunia.com/advisories/50530 third party advisory vendor advisory
http://secunia.com/advisories/51413 third party advisory
http://security.gentoo.org/glsa/glsa-201309-24.xml vendor advisory
https://bugzilla.redhat.com/show_bug.cgi?id=854590
http://securitytracker.com/id?1027481 vdb entry
http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00017.html vendor advisory
http://secunia.com/advisories/50472 third party advisory vendor advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/78267 vdb entry
http://www.openwall.com/lists/oss-security/2012/09/05/7 mailing list
http://lists.xen.org/archives/html/xen-announce/2012-09/msg00002.html vendor advisory mailing list
http://www.securityfocus.com/bid/55412 vdb entry
http://www.osvdb.org/85200 vdb entry
http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00012.html vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00018.html vendor advisory
https://security.gentoo.org/glsa/201604-03 vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00003.html vendor advisory
http://support.citrix.com/article/CTX134708 patch vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00004.html vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00018.html vendor advisory
http://wiki.xen.org/wiki/Security_Announcements#XSA-14_XENMEM_populate_physmap_DoS_vulnerability
http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00017.html vendor advisory
http://www.debian.org/security/2012/dsa-2544 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2012-3496?
CVE-2012-3496 has been scored as a medium severity vulnerability.
How to fix CVE-2012-3496?
To fix CVE-2012-3496, 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-2012-3496 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2012-3496 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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