CVE-2020-10742

Name: CVE-2020-10742
Creator: NVD / NIST
Published: 2021-06-02T11:15:07.853+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6/10EPSS 0.26%

Last modified Jun 17, 2026

CVE-2020-10742 is a medium-severity vulnerability rated 6/10 on the CVSS scale. A flaw was found in the Linux kernel. An index buffer overflow during Direct IO write leading to the NFS client to crash. EPSS estimates a 0.26% chance of exploitation in the next 30 days.

Description

A flaw was found in the Linux kernel. An index buffer overflow during Direct IO write leading to the NFS client to crash. In some cases, a reach out of the index after one memory allocation by kmalloc will cause a kernel panic. The highest threat from this vulnerability is to data confidentiality and system availability.

Metrics

CVSS 3.1

6/10

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

EPSS Probability

0.26%

17.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-787

Affected Software

Vendor	Product	Versions
Linux	Linux Kernel	All versions
Redhat	Enterprise Linux	6.0

References

https://bugzilla.redhat.com/show_bug.cgi?id=1835127Issue Tracking, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1835127Issue Tracking, Third Party Advisory

Timeline

Published: Jun 2, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-10742?

How severe is CVE-2020-10742?

CVE-2020-10742 has a CVSS score of 6/10 (MEDIUM severity). The EPSS model estimates a 0.26% probability of exploitation in the next 30 days.

How do I fix CVE-2020-10742?

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-2020-10742?

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

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Source: NVD / NIST