CVE-2023-53209

MEDIUM

Linux Kernel < 6.1.42 - NULL Pointer Dereference in mac80211_hwsim

Title source: llm

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211_hwsim: Fix possible NULL dereference In a call to mac80211_hwsim_select_tx_link() the sta pointer might be NULL, thus need to check that it is not NULL before accessing it.

References (3)

Core 3

Core References

Patch

https://git.kernel.org/stable/c/d0124848c7940aba73492e282506b32a13f2e30e

Patch

https://git.kernel.org/stable/c/a8a20fed3e05b3a6866c5c58855deaf3c217ccd6

Patch

https://git.kernel.org/stable/c/0cc80943ef518a1c51a1111e9346d1daf11dd545

Scores

CVSS v3 5.5

EPSS 0.0014

EPSS Percentile 4.0%

Attack Vector LOCAL

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-476

Status published

Products (9)

Linux/Linux < 6.1

Linux/Linux 6.1

Linux/Linux 6.1.42 - 6.1.*

Linux/Linux 6.4.7 - 6.4.*

Linux/Linux 6.5

Linux/Linux 86e74a08fecb59985bb2d5fe3e96dc108822a420 - 0cc80943ef518a1c51a1111e9346d1daf11dd545

Linux/Linux 86e74a08fecb59985bb2d5fe3e96dc108822a420 - a8a20fed3e05b3a6866c5c58855deaf3c217ccd6

Linux/Linux 86e74a08fecb59985bb2d5fe3e96dc108822a420 - d0124848c7940aba73492e282506b32a13f2e30e

linux/linux_kernel < 6.1.42

Published Sep 15, 2025

Tracked Since Feb 18, 2026