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

CVE-2016-6258

Disclosure Date: August 02, 2016
Add MITRE ATT&CK tactics and techniques that apply to this CVE.

Description

The PV pagetable code in arch/x86/mm.c in Xen 4.7.x and earlier allows local 32-bit PV guest OS administrators to gain host OS privileges by leveraging fast-paths for updating pagetable entries.

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CVSS V3 Severity and Metrics
Base Score:
8.8 High
Impact Score:
6
Exploitability Score:
2
Vector:
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Attack Vector (AV):
Local
Attack Complexity (AC):
Low
Privileges Required (PR):
Low
User Interaction (UI):
None
Scope (S):
Changed
Confidentiality (C):
High
Integrity (I):
High
Availability (A):
High

General Information

Vendors

  • citrix,
  • xen

Products

  • xen 3.4.0,
  • xen 3.4.2,
  • xen 3.4.3,
  • xen 3.4.4,
  • xen 4.0.0,
  • xen 4.0.1,
  • xen 4.0.3,
  • xen 4.0.4,
  • xen 4.1.0,
  • xen 4.1.1,
  • xen 4.1.2,
  • xen 4.1.3,
  • xen 4.1.4,
  • xen 4.1.5,
  • xen 4.2.0,
  • xen 4.2.1,
  • xen 4.2.2,
  • xen 4.2.3,
  • xen 4.3.0,
  • xen 4.3.1,
  • xen 4.4.0,
  • xen 4.4.1,
  • xen 4.5.0,
  • xen 4.6.0,
  • xen 4.6.1,
  • xen 4.6.3,
  • xen 4.7.0,
  • xenserver 6.0,
  • xenserver 6.0.2,
  • xenserver 6.1,
  • xenserver 6.2.0,
  • xenserver 6.5.0,
  • xenserver 7.0
Technical Analysis