CVE-2016-9386

7.8HIGH

Key Information:

Vendor
Citrix
Status
Xenserver
Vendor
CVE Published:
23 January 2017

Summary

The x86 emulator in Xen does not properly treat x86 NULL segments as unusable when accessing memory, which might allow local HVM guest users to gain privileges via vectors involving "unexpected" base/limit values.

References

http://www.securityfocus.com/bid/94471
vdb-entryx_refsource_BID
https://security.gentoo.org/glsa/201612-56
vendor-advisoryx_refsource_GENTOO
https://support.citrix.com/article/CTX218775
x_refsource_CONFIRM

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Collectors

NVD DatabaseMitre Database
.