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

CVE-2016-1570

Disclosure Date: January 22, 2016
Add MITRE ATT&CK tactics and techniques that apply to this CVE.

Description

The PV superpage functionality in arch/x86/mm.c in Xen 3.4.0, 3.4.1, and 4.1.x through 4.6.x allows local PV guests to obtain sensitive information, cause a denial of service, gain privileges, or have unspecified other impact via a crafted page identifier (MFN) to the (1) MMUEXT_MARK_SUPER or (2) MMUEXT_UNMARK_SUPER sub-op in the HYPERVISOR_mmuext_op hypercall or (3) unknown vectors related to page table updates.

Add Assessment

No one has assessed this topic. Be the first to add your voice to the community.

CVSS V3 Severity and Metrics
Base Score:
8.5 High
Impact Score:
6
Exploitability Score:
1.8
Vector:
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Attack Vector (AV):
Network
Attack Complexity (AC):
High
Privileges Required (PR):
Low
User Interaction (UI):
None
Scope (S):
Changed
Confidentiality (C):
High
Integrity (I):
High
Availability (A):
High

General Information

Vendors

  • xen

Products

  • xen 3.4.0,
  • xen 3.4.1,
  • 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 4.1.6,
  • xen 4.1.6.1,
  • xen 4.2.0,
  • xen 4.2.1,
  • xen 4.2.2,
  • xen 4.2.3,
  • xen 4.2.4,
  • xen 4.2.5,
  • xen 4.3.0,
  • xen 4.3.1,
  • xen 4.3.2,
  • xen 4.3.3,
  • xen 4.3.4,
  • xen 4.4.0,
  • xen 4.4.1,
  • xen 4.4.2,
  • xen 4.4.3,
  • xen 4.5.0,
  • xen 4.5.1,
  • xen 4.5.2,
  • xen 4.6.0

Additional Info

Technical Analysis