What is CVE-2020-14390?

CVE-2020-14390 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.6 out of 10, classified as a Out-of-bounds Write flaw (CWE-787). CVE-2020-14390 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2020-14390?

CVE-2020-14390 has a CVSS score of 5.6 out of 10, rated Medium severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:H.

Is there a patch available for CVE-2020-14390?

No patch is currently available for CVE-2020-14390. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2020-14390 actively exploited?

CVE-2020-14390 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Out-of-bounds Write (CWE-787)?

The product writes data past the end or before the beginning of the intended buffer. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/787.html

CVE-2020-14390

Medium

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.

Package Linux Kernel

Published 2020-09-18

Last modified 2024-11-21

CVSS version 3.1

Patch available

Awaiting data

CVSS 3.1 score

5.6

out of 10

Medium

Attack Vector

Local

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

High

Vector string

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

Weakness type

CWE-787

CVE-2020-14390 is a Out-of-bounds Write vulnerability

What is Out-of-bounds Write?

The product writes data past the end or before the beginning of the intended buffer. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2020-14390 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

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

Details

CVE ID CVE-2020-14390

Severity Medium

CVSS score 5.6 / 10

CVSS version 3.1

Published 2020-09-18

Modified 2024-11-21

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2020-14390?

CVE-2020-14390 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.6 out of 10 , classified as an Out-of-bounds Write flaw (CWE-787) . CVE-2020-14390 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2020-14390?

CVE-2020-14390 has a CVSS score of 5.6 out of 10, rated Medium severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:H.
Is there a patch available for CVE-2020-14390?

No patch is currently available for CVE-2020-14390. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2020-14390 actively exploited?

No — CVE-2020-14390 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is Out-of-bounds Write (CWE-787)?

The product writes data past the end or before the beginning of the intended buffer. View CWE-787 on MITRE CWE →