CVE-2018-12904

Advisory lineage Upstream: 0 Downstream: 9
Modified
Published: 27 Jun 2018, 11:00
Last modified:05 Aug 2024, 08:45

Vulnerability Summary

Overall Risk (default)
medium
30/100
CVSS Score
4.9 MEDIUM
v3.0 (nvd)
EPSS Score
0.18% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
2 found
Dark Web
Not detected

Timeline

27 Jun 2018, 11:00
Published
Vulnerability first disclosed
05 Aug 2024, 08:45
Last Modified
Vulnerability information updated

Description

In arch/x86/kvm/vmx.c in the Linux kernel before 4.17.2, when nested virtualization is used, local attackers could cause L1 KVM guests to VMEXIT, potentially allowing privilege escalations and denial of service attacks due to lack of checking of CPL.

CVSS Metrics

  • v3.0•MEDIUM•Score: 4.9CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
  • v2.0•MEDIUM•Score: 4.4AV:L/AC:M/Au:N/C:P/I:P/A:P

EPSS Trends

Current EPSS score: 0.18%• Percentile: 40%

Affected Systems

  • canonical•ubuntu_linux

    16.04 | 18.04

  • linux•linux_kernel

    < 4.17.2

References (8)