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CVE-2019-3016

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CVE-2019-3016

Published: Jan 31, 2020

Modified: Sep 30, 2024

PUBLISHED

CVSS v3.1

6.2

MEDIUM

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.

VendorProductVersions

linux

linux_kernel

affected
4.10 to 5.6

Weaknesses (CWE)

CWE-362
CWE-200

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

References

USN-4300-1
vendor-advisory
x_refsource_UBUNTU
USN-4301-1
vendor-advisory
x_refsource_UBUNTU
DSA-4699
vendor-advisory
x_refsource_DEBIAN

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