CVE-2021-38206

MediumCVSS 5.5/10Last modified Oct 8, 2026

Description

The mac80211 subsystem in the Linux kernel before 5.12.13, when a device supporting only 5 GHz is used, allows attackers to cause a denial of service (NULL pointer dereference in the radiotap parser) by injecting a frame with 802.11a rates.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-476

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.13Mailing List, Patch, Vendor Advisory
https://github.com/torvalds/linux/commit/bddc0c411a45d3718ac535a070f349be8eca8d48Patch, 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/bddc0c411a45d3718ac535a070f349be8eca8d48Patch, Third Party Advisory

Timeline

Published: Aug 8, 2021
Last modified: Oct 8, 2026
NVD status: Modified

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