CVE-2012-0218

Description

Xen 3.4, 4.0, and 4.1, when the guest OS has not registered a handler for a syscall or sysenter instruction, does not properly clear a flag for exception injection when injecting a General Protection Fault, which allows local PV guest OS users to cause a denial of service (guest crash) by later triggering an exception that would normally be handled within Xen.

1.9

CVSS

Severity: Low

CVSS 2.0 •

EPSS 0.07%

Vendor Advisory gentoo.org Vendor Advisory debian.org Vendor Advisory xen.org

Affected: n/a n/a

References

Link	Tags
http://secunia.com/advisories/55082	third party advisory
http://security.gentoo.org/glsa/glsa-201309-24.xml	vendor advisory
http://www.debian.org/security/2012/dsa-2501	vendor advisory
http://lists.xen.org/archives/html/xen-announce/2012-06/msg00003.html	mailing list patch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2012-0218?: CVE-2012-0218 has been scored as a low severity vulnerability.
How to fix CVE-2012-0218?: To fix CVE-2012-0218, 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-2012-0218 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2012-0218 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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