CVE-2020-14381

Name: CVE-2020-14381
Creator: NVD / NIST
Published: 2020-12-03T17:15:12.347+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.83%

Last modified Jun 17, 2026

CVE-2020-14381 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. A flaw was found in the Linux kernel’s futex implementation. This flaw allows a local attacker to corrupt system memory or escalate their privileges when creating a futex on a filesystem that is about to be unmounted. EPSS estimates a 0.83% chance of exploitation in the next 30 days.

Description

A flaw was found in the Linux kernel’s futex implementation. This flaw allows a local attacker to corrupt system memory or escalate their privileges when creating a futex on a filesystem that is about to be unmounted. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

0.83%

52.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Linux	Linux Kernel	< 5.6
Linux	Linux Kernel	5.6

References

https://bugzilla.redhat.com/show_bug.cgi?id=1874311Issue Tracking, Patch, Third Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8019ad13ef7f64be44d4f892af9c840179009254Mailing List, Patch, Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1874311Issue Tracking, Patch, Third Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8019ad13ef7f64be44d4f892af9c840179009254Mailing List, Patch, Vendor Advisory

Timeline

Published: Dec 3, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-14381?

How severe is CVE-2020-14381?

CVE-2020-14381 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.83% probability of exploitation in the next 30 days.

How do I fix CVE-2020-14381?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-14381?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST