• Tenable
  • CVEs
  • Settings
    Links
    Tenable Cloud Tenable Community & Support Tenable University
    Severity
    Theme
  • Tenable
  • Plugins
  • Overview
  • Plugins Pipeline
  • Newest
  • Updated
  • Search
  • Nessus Families
  • WAS Families
  • NNM Families
  • Tenable OT Security Families
  • Tenable Cloud Security Families
  • Tenable Self-Hosted Container Security Families
  • About Plugin Families
  • Release Notes
  • Audits
  • Overview
  • Newest
  • Updated
  • Search Audit Files
  • Search Items
  • References
  • Authorities
  • Documentation
  • Download All Audit Files
  • Indicators
  • Overview
  • Search
  • Indicators of Attack
  • Indicators of Exposure
  • Release Notes
  • CVEs
  • Overview
  • Newest
  • Updated
  • Search
  • Attack Path Techniques
  • Overview
  • Search
    • Links
    • Tenable Cloud
    • Tenable Community & Support
    • Tenable University
    • Settings
    • Severity
    • Theme
Detections
  • Plugins
  • Overview
  • Plugins Pipeline
  • Release Notes
  • Newest
  • Updated
  • Search
  • Nessus Families
  • WAS Families
  • NNM Families
  • Tenable OT Security Families
  • Tenable Cloud Security Families
  • Tenable Self-Hosted Container Security Families
  • About Plugin Families
  • Audits
  • Overview
  • Newest
  • Updated
  • Search Audit Files
  • Search Items
  • References
  • Authorities
  • Documentation
  • Download All Audit Files
  • Indicators
  • Overview
  • Search
  • Indicators of Attack
  • Indicators of Exposure
  • Release Notes
Analytics
  • CVEs
  • Overview
  • Newest
  • Updated
  • Search
  • Attack Path Techniques
  • Overview
  • Search
  1. CVEs
  2. CVE-2020-25668
  1. CVEs

CVE-2020-25668

high
  • Information
  • CPEs
  • Plugins

Description

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.

References

  • Advisories
  • More

https://security.netapp.com/advisory/ntap-20210702-0005/

https://lists.debian.org/debian-lts-announce/2020/12/msg00027.html

https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=90bfdeef83f1d6c696039b6a917190dcbbad3220

https://www.openwall.com/lists/oss-security/2020/11/04/3%2C

https://www.openwall.com/lists/oss-security/2020/10/30/1%2C

https://euvd.enisa.europa.eu/vulnerability/EUVD-2020-18330

https://bugzilla.redhat.com/show_bug.cgi?id=1893287%2C

http://www.openwall.com/lists/oss-security/2020/11/04/3

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

Details

Source: Mitre, NVD

Published: 2021-05-26

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 6.9

Vector: CVSS2#AV:L/AC:M/Au:N/C:C/I:C/A:C

Severity: Medium

CVSS v3

Base Score: 7

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

Severity: High

EPSS

EPSS: 0.00061

  • Tenable.com
  • Community & Support
  • Documentation
  • Education
  • © 2026 Tenable®, Inc. All Rights Reserved
  • Privacy Policy
  • Legal
  • 508 Compliance