CVE-2016-2198

Advisory lineage Upstream: 0 Downstream: 13
Modified
Published: 29 Dec 2016, 22:00
Last modified:05 Aug 2024, 23:24

Vulnerability Summary

Overall Risk (default)
low
22/100
CVSS Score
5.5 MEDIUM
v3.1 (nvd)
EPSS Score
0.1% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

29 Dec 2016, 22:00
Published
Vulnerability first disclosed
05 Aug 2024, 23:24
Last Modified
Vulnerability information updated

Description

QEMU (aka Quick Emulator) built with the USB EHCI emulation support is vulnerable to a null pointer dereference flaw. It could occur when an application attempts to write to EHCI capabilities registers. A privileged user inside quest could use this flaw to crash the QEMU process instance resulting in DoS.

CVSS Metrics

  • v3.1•MEDIUM•Score: 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/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: 0.10%• Percentile: 28%

Techniques & Countermeasures

  • CWE-476•NULL Pointer Dereference

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

Affected Systems

  • debian•debian_linux

    8.0

  • qemu•qemu

    ≤ 2.5.1.1 | 2.6.0:rc0 | 2.6.0:rc1 | 2.6.0:rc2 | 2.6.0:rc3 | 2.6.0:rc4

References (6)