CVE-2019-3016 MEDIUM

CVE-2019-3016

Vendor Linux
Product linux_kernel
Weakness CWE-362
Published January 31, 2020
Last update September 30, 2024

CVSS base score

6.2/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity None

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

January 31, 2020 CVE published
September 30, 2024 Record updated