CVE-2019-3016CWE-200CWE-362

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

Medium · published January 31, 2020

CVSS v3.1
6.2
EPSS
1%
Percentile
49.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.2 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00619 · 49.0th percentile
Weaknesses
CWE-200 · Exposure of Sensitive Information to an Unauthorized Actor; CWE-362 · Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
Published
2020-01-31T19:50Z
EPSS history
Timeline
  • 31 JAN 19:50Z
    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
    cvelistv5