CVE-2016-2858

Advisory lineage Upstream: 0 Downstream: 9
Modified
Published: 07 Apr 2016, 19:00
Last modified:05 Aug 2024, 23:40

Vulnerability Summary

Overall Risk (default)
medium
26/100
CVSS Score
6.5 MEDIUM
v3.1 (nvd)
EPSS Score
0.12% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

07 Apr 2016, 19:00
Published
Vulnerability first disclosed
05 Aug 2024, 23:40
Last Modified
Vulnerability information updated

Description

QEMU, when built with the Pseudo Random Number Generator (PRNG) back-end support, allows local guest OS users to cause a denial of service (process crash) via an entropy request, which triggers arbitrary stack based allocation and memory corruption.

CVSS Metrics

  • v3.1•MEDIUM•Score: 6.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
  • v2.0•LOW•Score: 1.9AV:L/AC:M/Au:N/C:N/I:N/A:P

EPSS Trends

Current EPSS score: 0.12%• Percentile: 31%

Techniques & Countermeasures

  • CWE-331•Insufficient Entropy

    The product uses an algorithm or scheme that produces insufficient entropy, leaving patterns or clusters of values that are more likely to occur than others.

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 (8)