CVE-2021-38206CWE-476

CVE-2021-38206

Medium · published August 9, 2021

CVSS v3.1

5.5

EPSS

Percentile

18.0

In the wild

Unconfirmed

What it is

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.

The record

Technical detail

CVSS v3.1: 5.5 · MEDIUM
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0: Not supplied
EPSS: 0.00269 · 18.0th percentile
Weakness: CWE-476 · NULL Pointer Dereference
Published: 2021-08-09T00:15Z

Affected products (1)

Product	Versions	Fixed in
linux/linux_kernel	< 5.12.13	5.12.13

References (4)

https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.13 · [email protected]https://github.com/torvalds/linux/commit/bddc0c411a45d3718ac535a070f349be8eca8d48 · [email protected]https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.13 · af854a3a-2127-422b-91ae-364da2661108 https://github.com/torvalds/linux/commit/bddc0c411a45d3718ac535a070f349be8eca8d48 · af854a3a-2127-422b-91ae-364da2661108

EPSS history

Timeline

08 AUG 19:23Z
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…
cvelistv5