CVE-2016-2270

Name: CVE-2016-2270
Creator: NVD / NIST
Published: 2016-02-19T16:59:00.193+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.45%

Last modified Jun 17, 2026

CVE-2016-2270 is a vulnerability of currently unknown severity. Xen 4.6.x and earlier allows local guest administrators to cause a denial of service (host reboot) via vectors related to multiple mappings of MMIO pages with different cachability settings.. EPSS estimates a 1.45% chance of exploitation in the next 30 days.

Description

Xen 4.6.x and earlier allows local guest administrators to cause a denial of service (host reboot) via vectors related to multiple mappings of MMIO pages with different cachability settings.

Metrics

EPSS Probability

1.45%

70.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Debian	Debian Linux	7.0
Debian	Debian Linux	8.0
Fedoraproject	Fedora	22
Fedoraproject	Fedora	23
Xen	Xen	<= 4.6.1
Oracle	Vm Server	3.4

References

http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177990.htmlThird Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2016-March/178518.htmlThird Party Advisory
http://www.debian.org/security/2016/dsa-3519Third Party Advisory
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.htmlVendor Advisory
http://www.securitytracker.com/id/1035042Third Party Advisory, VDB Entry
http://xenbits.xen.org/xsa/advisory-154.htmlPatch, Vendor Advisory
https://security.gentoo.org/glsa/201604-03
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177990.htmlThird Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2016-March/178518.htmlThird Party Advisory
http://www.debian.org/security/2016/dsa-3519Third Party Advisory
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.htmlVendor Advisory
http://www.securitytracker.com/id/1035042Third Party Advisory, VDB Entry
http://xenbits.xen.org/xsa/advisory-154.htmlPatch, Vendor Advisory
https://security.gentoo.org/glsa/201604-03

Timeline

Published: Feb 19, 2016
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2016-2270?

Xen 4.6.x and earlier allows local guest administrators to cause a denial of service (host reboot) via vectors related to multiple mappings of MMIO pages with different cachability settings.

How severe is CVE-2016-2270?

Severity scoring for CVE-2016-2270 is pending analysis. The EPSS model estimates a 1.45% probability of exploitation in the next 30 days.

How do I fix CVE-2016-2270?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2016-2270?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST