CVE-2021-38206 Information

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.

CVSS Vector

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

Reference

https://github.com/torvalds/linux/commit/bddc0c411a45d3718ac535a070f349be8eca8d48 https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.13

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

5.5