CVE-2019-3016

 

Published at: - 31-01-2020 09:15

Last modified: - 23-01-2023 07:44

Total changes: - 8

Description

In a Linux KVM guest that has PV TLB enabled, a process in the guest kernel may be able to read memory locations from another process in the same guest. This problem is limit to the host running linux kernel 4.10 with a guest running linux kernel 4.16 or later. The problem mainly affects AMD processors but Intel CPUs cannot be ruled out.

Common Vulnerability Scoring System (CVSS)

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

 

Verification logic

 

Reference

• https://lore.kernel.org/lkml/1580407316-11391-1-git-send-email-pbonzini@redhat.com/
• https://bugzilla.redhat.com/show_bug.cgi?id=1792167
• https://git.kernel.org/linus/a6bd811f1209fe1c64c9f6fd578101d6436c6b6e
• https://git.kernel.org/linus/917248144db5d7320655dbb41d3af0b8a0f3d589
• https://git.kernel.org/linus/b043138246a41064527cf019a3d51d9f015e9796
• [oss-security] 20200130 CVE-2019-3016: information leak within a KVM guest-Mailing List, Third Party Advisory
• https://git.kernel.org/linus/8c6de56a42e0c657955e12b882a81ef07d1d073e
• https://git.kernel.org/linus/1eff70a9abd46f175defafd29bc17ad456f398a7
• https://security.netapp.com/advisory/ntap-20200313-0003/
• USN-4300-1-
• USN-4301-1-
• http://packetstormsecurity.com/files/157233/Kernel-Live-Patch-Security-Notice-LSN-0065-1.html
• DSA-4699-

 

Keywords

NVD

 

CVE-2019-3016

 

CVE

 

Common vulnerabilities & exposures

 

CVSS

 

Common vulnerability scoring system

 

Security

 

Vulnerabilities

 

Exposures