CVE-2023-53209

wifi: mac80211_hwsim: Fix possible NULL dereference

CVSS 5.5 MEDIUMEPSS 0.1%CWE-476

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 5.5EPSS 0.1%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

15 Sep 2025Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

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

Affected products

Linux · Linux

References

https://git.kernel.org/stable/c/0cc80943ef518a1c51a1111e9346d1daf11dd545 https://git.kernel.org/stable/c/a8a20fed3e05b3a6866c5c58855deaf3c217ccd6 https://git.kernel.org/stable/c/d0124848c7940aba73492e282506b32a13f2e30e