CVE-2016-2391

Advisory lineage Upstream: 0 Downstream: 14
Modified
Published: 16 Jun 2016, 18:00
Last modified:05 Aug 2024, 23:24

Vulnerability Summary

Overall Risk (default)
low
20/100
CVSS Score
5 MEDIUM
v3.1 (nvd)
EPSS Score
0.06% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

16 Jun 2016, 18:00
Published
Vulnerability first disclosed
05 Aug 2024, 23:24
Last Modified
Vulnerability information updated

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.

CVSS Metrics

  • v3.1•MEDIUM•Score: 5CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
  • v2.0•LOW•Score: 2.1AV:L/AC:L/Au:N/C:N/I:N/A:P

EPSS Trends

Current EPSS score: 0.06%• Percentile: 19%

Techniques & Countermeasures

  • CWE-476•NULL Pointer Dereference

    The product dereferences a pointer that it expects to be valid but is NULL.

Affected Systems

  • canonical•ubuntu_linux

    12.04 | 14.04 | 15.10 | 16.04

  • debian•debian_linux

    8.0

  • qemu•qemu

    ≤ 2.5.1.1

References (7)