Attacker Value
Unknown
(0 users assessed)
Exploitability
Unknown
(0 users assessed)
User Interaction
None
Privileges Required
High
Attack Vector
Local
0

CVE-2016-9381

Disclosure Date: January 23, 2017
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Description

Race condition in QEMU in Xen allows local x86 HVM guest OS administrators to gain privileges by changing certain data on shared rings, aka a “double fetch” vulnerability.

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CVSS V3 Severity and Metrics
Base Score:
7.5 High
Impact Score:
6
Exploitability Score:
0.8
Vector:
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
Attack Vector (AV):
Local
Attack Complexity (AC):
High
Privileges Required (PR):
High
User Interaction (UI):
None
Scope (S):
Changed
Confidentiality (C):
High
Integrity (I):
High
Availability (A):
High

General Information

Vendors

  • citrix,
  • qemu

Products

  • qemu,
  • qemu 2.8.0,
  • xenserver 6.0.2,
  • xenserver 6.2.0,
  • xenserver 6.5,
  • xenserver 7.0

Additional Info

Technical Analysis