CVE-2016-2271

Description

VMX in Xen 4.6.x and earlier, when using an Intel or Cyrix CPU, allows local HVM guest users to cause a denial of service (guest crash) via vectors related to a non-canonical RIP.

5.5

CVSS

Severity: Medium

CVSS 3.0 •

CVSS 2.0 •

EPSS 0.07%

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

Affected: n/a n/a

References

Link	Tags
http://www.debian.org/security/2016/dsa-3519	vendor advisory
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177990.html	vendor advisory
http://lists.fedoraproject.org/pipermail/package-announce/2016-March/178518.html	vendor advisory
http://www.securitytracker.com/id/1035043	vdb entry
http://xenbits.xen.org/xsa/advisory-170.html	patch vendor advisory
http://support.citrix.com/article/CTX209443
https://security.gentoo.org/glsa/201604-03	vendor advisory

Frequently Asked Questions

What is the severity of CVE-2016-2271?: CVE-2016-2271 has been scored as a medium severity vulnerability.
How to fix CVE-2016-2271?: To fix CVE-2016-2271, 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-2016-2271 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2016-2271 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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