CVE-2016-8630

Advisory lineage Upstream: 0 Downstream: 11
Modified
Published: 28 Nov 2016, 03:01
Last modified:06 Aug 2024, 02:27

Vulnerability Summary

Overall Risk (default)
low
22/100
CVSS Score
5.5 MEDIUM
v3.0 (nvd)
EPSS Score
0.03% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

28 Nov 2016, 03:01
Published
Vulnerability first disclosed
06 Aug 2024, 02:27
Last Modified
Vulnerability information updated

Description

The x86_decode_insn function in arch/x86/kvm/emulate.c in the Linux kernel before 4.8.7, when KVM is enabled, allows local users to cause a denial of service (host OS crash) via a certain use of a ModR/M byte in an undefined instruction.

CVSS Metrics

  • v3.0MEDIUMScore: 5.5CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  • v2.0MEDIUMScore: 4.9AV:L/AC:L/Au:N/C:N/I:N/A:C

EPSS Trends

Current EPSS score: 0.03% Percentile: 9%

Techniques & Countermeasures

  • CWE-284Improper Access Control

    The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

  • CWE-476NULL Pointer Dereference

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

Affected Systems

  • linuxlinux_kernel

    ≤ 4.8.6

References (8)