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Medium severity · published Feb 19, 2016
CVE-2016-2271
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
0.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 33% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
XE
Xen · Xen
4.6.0; 4.6.1 · source: NVD
Affected product
XE
Xen
Xen
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-2271
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-2271
lists.fedoraproject.org
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177990.html
lists.fedoraproject.org
http://lists.fedoraproject.org/pipermail/package-announce/2016-March/178518.html
support.citrix.com
http://support.citrix.com/article/CTX209443
www.debian.org
http://www.debian.org/security/2016/dsa-3519
www.securitytracker.com
http://www.securitytracker.com/id/1035043
Patch
http://xenbits.xen.org/xsa/advisory-170.html
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