CVE-2023-53209

wifi: mac80211_hwsim: Fix possible NULL dereference

Medium · published September 15, 2025

CVSS v3.1
5.5
EPSS
0%
Percentile
4.5
In the wild
Unconfirmed
What it is

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.

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
0.00157 · 4.5th percentile
Published
2025-09-15T14:21Z
EPSS history
Timeline
  • 15 SEP 14:21Z
    wifi: mac80211_hwsim: Fix possible NULL dereference
    cvelistv5