CVE-2020-14390 Information

Description

A flaw was found in the Linux kernel in versions before 5.9-rc6. When changing screen size an out-of-bounds memory write can occur leading to memory corruption or a denial of service. Due to the nature of the flaw privilege escalation cannot be fully ruled out.

CVSS Vector

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

Reference

http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00001.html http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00021.html https://bugzilla.redhat.com/show_bug.cgi?id=1876788 https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction Required

HIGH

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

LOW

Availability Impact

LOW

Base Score

HIGH

Base Severity

5.6