CVE-2021-38206

MEDIUM

Linux Kernel < 5.12.13 - Denial of Service via 802.11a Frame Injection in mac80211 Radiotap Parser

Title source: llm
STIX 2.1

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.

References (2)

Core 2
Core References
Mailing List, Patch, Vendor Advisory x_refsource_misc
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.13

Scores

CVSS v3 5.5
EPSS 0.0027
EPSS Percentile 18.3%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-476
Status published
Products (1)
linux/linux_kernel < 5.12.13
Published Aug 08, 2021
Tracked Since Feb 18, 2026