CVE-2018-12904

 

Published at: - 27-06-2018 01:29

Last modified: - 26-10-2022 01:44

Total changes: - 3

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.

Common Vulnerability Scoring System (CVSS)

CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

 

Verification logic

 

Reference

• https://github.com/torvalds/linux/commit/727ba748e110b4de50d142edca9d6a9b7e6111d8
• https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.17.2
• https://bugs.chromium.org/p/project-zero/issues/detail?id=1589
• http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=727ba748e110b4de50d142edca9d6a9b7e6111d8
• 44944-Exploit, Third Party Advisory, VDB Entry
• USN-3752-2-Third Party Advisory
• USN-3752-1-Third Party Advisory
• USN-3752-3-Third Party Advisory

 

Keywords

NVD

 

CVE-2018-12904

 

CVE

 

Common vulnerabilities & exposures

 

CVSS

 

Common vulnerability scoring system

 

Security

 

Vulnerabilities

 

Exposures