CVE-2012-3433

Description

Xen 4.0 and 4.1 allows local HVM guest OS kernels to cause a denial of service (domain 0 VCPU hang and kernel panic) by modifying the physical address space in a way that triggers excessive shared page search time during the p2m teardown.

Category

4.9
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 0.07%
Vendor Advisory debian.org Vendor Advisory gentoo.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.debian.org/security/2012/dsa-2531 vendor advisory
http://secunia.com/advisories/55082 third party advisory
http://www.openwall.com/lists/oss-security/2012/08/09/3 mailing list
http://security.gentoo.org/glsa/glsa-201309-24.xml vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2012-08/msg00025.html vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2012-08/msg00024.html vendor advisory
http://www.securityfocus.com/bid/54942 vdb entry
http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00018.html vendor advisory
http://lists.xen.org/archives/html/xen-devel/2012-08/msg00855.html mailing list
http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00017.html vendor advisory

Frequently Asked Questions

What is the severity of CVE-2012-3433?
CVE-2012-3433 has been scored as a medium severity vulnerability.
How to fix CVE-2012-3433?
To fix CVE-2012-3433, 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-2012-3433 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2012-3433 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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