CVE-2016-2271
First published: Fri Feb 19 2016(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Xen xen-unstable | =4.6.0 | |
| Xen xen-unstable | =4.6.1 |
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Reference Links
- 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
Frequently Asked Questions
What is the severity of CVE-2016-2271?
CVE-2016-2271 is considered a medium severity vulnerability due to its potential to cause a denial of service.
How do I fix CVE-2016-2271?
To fix CVE-2016-2271, update to a patched version of Xen, specifically versions later than 4.6.1.
What systems are affected by CVE-2016-2271?
CVE-2016-2271 affects Xen versions 4.6.0 and 4.6.1 running on Intel or Cyrix CPU architectures.
What types of vulnerabilities does CVE-2016-2271 represent?
CVE-2016-2271 represents a denial of service vulnerability related to non-canonical RIP handling in HVM guest environments.
Can CVE-2016-2271 be exploited remotely?
CVE-2016-2271 requires local access to the HVM guest, thus it cannot be exploited remotely.
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- version/xen xen-unstable/4.6.0
- version/xen xen-unstable/4.6.1