CVE-2016-2271

Severity: medium (CVSS 5.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2016-02-19 · updated 2026-06-17

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.

Affected products

xen: 4.6.0, 4.6.1

References

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

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