CVE-2014-3967

Description

The HVMOP_inject_msi function in Xen 4.2.x, 4.3.x, and 4.4.x does not properly check the return value from the IRQ setup check, which allows local HVM guest administrators to cause a denial of service (NULL pointer dereference and crash) via unspecified vectors.

5.5

CVSS

Severity: Medium

CVSS 2.0 •

EPSS 0.32%

Vendor Advisory gentoo.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory xen.org

Affected: n/a n/a

References

Link	Tags
https://security.gentoo.org/glsa/201504-04	vendor advisory
http://xenbits.xen.org/xsa/advisory-96.html	patch vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00003.html	vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00002.html	vendor advisory
http://lists.fedoraproject.org/pipermail/package-announce/2014-June/134710.html	vendor advisory
http://lists.fedoraproject.org/pipermail/package-announce/2014-June/134739.html	vendor advisory
http://www.securitytracker.com/id/1030322	vdb entry
http://www.securityfocus.com/bid/67794	vdb entry
http://www.openwall.com/lists/oss-security/2014/06/04/13	mailing list

Frequently Asked Questions

What is the severity of CVE-2014-3967?: CVE-2014-3967 has been scored as a medium severity vulnerability.
How to fix CVE-2014-3967?: To fix CVE-2014-3967, 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-2014-3967 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2014-3967 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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