CVE-2020-14390

medium

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.

References

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

Details

Source: MITRE

Published: 2020-09-18

Updated: 2020-11-02

Type: CWE-787

Risk Information

CVSS v2

Base Score: 4.6

Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P

Impact Score: 6.4

Exploitability Score: 3.9

Severity: MEDIUM

CVSS v3

Base Score: 5.6

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

Impact Score: 4.7

Exploitability Score: 0.8

Severity: MEDIUM