CVE-2023-53209
Medium
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.
SeverityMedium
CVSS5.5
Exploit probability—
Product
Linux Kernel
PublishedSep 15, 2025
First seenSep 15, 2025
Weakness typeCWE-476NULL pointer dereference
How to fix
Update
- linux linux_kernel6.1.42, 6.4.7 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | v < 6.1.42, 6.2 ≤ v < 6.4.7 | 6.1.42, 6.4.7 |
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