VULNERABILITY INTELLIGENCE

CVE-2021-38206

CVSS score5.5 MEDIUM

EPSS probability0.27%

CISA KEVNot currently listed

Published2021-08-08

Last modified2026-10-08

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

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.

Weakness classification

nvd@nist.gov: CWE-476

Primary references

cve@mitre.org — Mailing List, Patch, Vendor Advisory
cve@mitre.org — Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Patch, Third Party Advisory