Attacker Value
Unknown
(0 users assessed)
Exploitability
Unknown
(0 users assessed)
User Interaction
Required
Privileges Required
Low
Attack Vector
Local
0

CVE-2016-2391

Disclosure Date: June 16, 2016
Add MITRE ATT&CK tactics and techniques that apply to this CVE.

Description

The ohci_bus_start function in the USB OHCI emulation support (hw/usb/hcd-ohci.c) in QEMU allows local guest OS administrators to cause a denial of service (NULL pointer dereference and QEMU process crash) via vectors related to multiple eof_timers.

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CVSS V3 Severity and Metrics
Base Score:
5.0 Medium
Impact Score:
3.6
Exploitability Score:
1.3
Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
Attack Vector (AV):
Local
Attack Complexity (AC):
Low
Privileges Required (PR):
Low
User Interaction (UI):
Required
Scope (S):
Unchanged
Confidentiality (C):
None
Integrity (I):
None
Availability (A):
High

General Information

Vendors

  • canonical,
  • debian,
  • qemu

Products

  • debian linux 8.0,
  • qemu,
  • ubuntu linux 12.04,
  • ubuntu linux 14.04,
  • ubuntu linux 15.10,
  • ubuntu linux 16.04
Technical Analysis