CVE-2021-38207

Name: CVE-2021-38207
Creator: NVD / NIST
Published: 2021-08-08T20:15:07.353+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 3.35%

Last modified Jun 17, 2026

CVE-2021-38207 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. drivers/net/ethernet/xilinx/ll_temac_main.c in the Linux kernel before 5.12.13 allows remote attackers to cause a denial of service (buffer overflow and lockup) by sending heavy network traffic for about ten minutes.. EPSS estimates a 3.35% chance of exploitation in the next 30 days.

Description

drivers/net/ethernet/xilinx/ll_temac_main.c in the Linux kernel before 5.12.13 allows remote attackers to cause a denial of service (buffer overflow and lockup) by sending heavy network traffic for about ten minutes.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

3.35%

87.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-120

Affected Software

Vendor	Product	Versions
Linux	Linux Kernel	< 5.12.13

References

https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.13Mailing List, Patch, Vendor Advisory
https://github.com/torvalds/linux/commit/c364df2489b8ef2f5e3159b1dff1ff1fdb16040dPatch, Third Party Advisory
https://security.netapp.com/advisory/ntap-20210902-0007/Third Party Advisory
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.13Mailing List, Patch, Vendor Advisory
https://github.com/torvalds/linux/commit/c364df2489b8ef2f5e3159b1dff1ff1fdb16040dPatch, Third Party Advisory
https://security.netapp.com/advisory/ntap-20210902-0007/Third Party Advisory

Timeline

Published: Aug 8, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-38207?

How severe is CVE-2021-38207?

CVE-2021-38207 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 3.35% probability of exploitation in the next 30 days.

How do I fix CVE-2021-38207?

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-2021-38207?

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

Scan your code now

Source: NVD / NIST