Mend.io Vulnerability Database

What is a CVE vulnerability ID? icon What is a WS vulnerability ID? icon What is an MSC vulnerability ID? icon
New vulnerability? Tell us about it!
icon

We found results for “”

CVE-2020-25668

Good to know:

icon
icon

Date: May 26, 2021

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.

Language: C

Severity Score

Related Resources (17)

http://www.openwall.com/lists/oss-security/2020/10/30/1
https://github.com/gregkh/linux/commit/90bfdeef83f1d6c696039b6a917190dcbbad3220
https://nvd.nist.gov/vuln/detail/CVE-2020-25668
https://bugzilla.redhat.com/show_bug.cgi?id=1893287,
https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html
https://people.canonical.com/~ubuntu-security/cve/CVE-2020-25668
https://www.openwall.com/lists/oss-security/2020/10/30/1,
https://www.openwall.com/lists/oss-security/2020/11/04/3,
http://www.openwall.com/lists/oss-security/2020/11/04/3
https://www.openwall.com/lists/oss-security/2020/11/04/3%2C
https://security-tracker.debian.org/tracker/CVE-2020-25668
https://www.openwall.com/lists/oss-security/2020/10/30/1%2C
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=90bfdeef83f1d6c696039b6a917190dcbbad3220
https://lists.debian.org/debian-lts-announce/2020/12/msg00027.html
https://bugzilla.redhat.com/show_bug.cgi?id=1893287%2C
https://security.netapp.com/advisory/ntap-20210702-0005/
https://www.mend.io/vulnerability-database/CVE-2020-25668

Severity Score

Weakness Type (CWE)

Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

CWE-362

Use After Free

CWE-416

Improper Synchronization

CWE-662

Top Fix

icon

Upgrade Version

Upgrade to version linux-libc-headers - 5.10;linux-yocto - 4.8.26+gitAUTOINC+1c60e003c7_27efc3ba68

Learn More

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): HIGH
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): COMPLETE
Integrity (I): COMPLETE
Availability (A): COMPLETE
Additional information:

Do you need more information?

Contact Us