CVE-2016-2270

moderate-risk
Published 2016-02-19

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.

Do I need to act?

-
0.29% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
6
CVSS 6.8/10 Medium
NETWORK / LOW complexity

Affected Products (6)

Xen

Affected Vendors

Xen Debian Fedoraproject Oracle

References (14)

Third Party Advisory http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177990.h...
Third Party Advisory http://lists.fedoraproject.org/pipermail/package-announce/2016-March/178518.html
Third Party Advisory http://www.debian.org/security/2016/dsa-3519
Vendor Advisory http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.htm...
Third Party Advisory http://www.securitytracker.com/id/1035042
Patch http://xenbits.xen.org/xsa/advisory-154.html
https://security.gentoo.org/glsa/201604-03
Third Party Advisory http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177990.h...
Third Party Advisory http://lists.fedoraproject.org/pipermail/package-announce/2016-March/178518.html
Third Party Advisory http://www.debian.org/security/2016/dsa-3519
Vendor Advisory http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.htm...
Third Party Advisory http://www.securitytracker.com/id/1035042
Patch http://xenbits.xen.org/xsa/advisory-154.html
https://security.gentoo.org/glsa/201604-03
39
/ 100
moderate-risk
Severity 25/34 · High
Exploitability 1/34 · Minimal
Exposure 13/34 · Low