What is CVE-2020-25668?

CVE-2020-25668 is a High severity Linux kernel vulnerability with a CVSS score of 7.0 out of 10, classified as a Race Condition flaw (CWE-362). CVE-2020-25668 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2020-25668?

CVE-2020-25668 has a CVSS score of 7.0 out of 10, rated High severity. The vector string is CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.

Is there a patch available for CVE-2020-25668?

Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2020-25668 patch availability.

Is CVE-2020-25668 actively exploited?

CVE-2020-25668 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Race Condition (CWE-362)?

The product contains a code sequence that can run concurrently with other code, creating unexpected states. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/362.html

CVE-2020-25668

High

A flaw was found in Linux Kernel because access to the global variable fg_console is not properly synchronized leading to a use after free in con_font_op.

Package Linux Kernel

Published 2021-05-26

Last modified 2024-11-21

CVSS version 3.1

Patch available

Awaiting data

CVSS 3.1 score

7.0

out of 10

High

Attack Vector

Local

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Vector string

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

Weakness type

CWE-362

CVE-2020-25668 is a Race Condition vulnerability

What is Race Condition?

The product contains a code sequence that can run concurrently with other code, creating unexpected states. Learn more on MITRE CWE

References

9 total

Openwall
http://www.openwall.com/lists/oss-security/2020/10/30/1

Exploit Mailing List Patch Third Party Advisory
Openwall
http://www.openwall.com/lists/oss-security/2020/11/04/3

Exploit Mailing List Patch Third Party Advisory
Kernel Git
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=90bfdeef83f1d6c696039b6a917190dcbbad3220

Mailing List Patch Third Party Advisory
Red Hat
https://bugzilla.redhat.com/show_bug.cgi?id=1893287%2C
Debian Security
https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html

Mailing List Third Party Advisory

Showing 5 of 9 references View all on NVD

Details

CVE ID CVE-2020-25668

Severity High

CVSS score 7.0 / 10

CVSS version 3.1

Published 2021-05-26

Modified 2024-11-21

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2020-25668?

CVE-2020-25668 is a High severity Linux kernel vulnerability with a CVSS score of 7.0 out of 10 , classified as a Race Condition flaw (CWE-362) . CVE-2020-25668 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2020-25668?

CVE-2020-25668 has a CVSS score of 7.0 out of 10, rated High severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.
Is there a patch available for CVE-2020-25668?

Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2020-25668 patch availability.
Is CVE-2020-25668 actively exploited?

No. CVE-2020-25668 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.