CVE-2026-23040

Unknown

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211_hwsim: fix typo in frequency notification The NAN notification is for 5745 MHz which corresponds to channel 149 and not 5475 which is not actually a valid channel. This could result in a NULL pointer dereference in cfg80211_next_nan_dw_notif.

SeverityUnknown
CVSS—
Exploit probability—
ProductLinux
PublishedFeb 4, 2026
First seenFeb 4, 2026

How to fix

Update
  • Linux Linux1251bbdb8f5b2ea86ca9b4268a2e6aa34372ab33, 333418872bfecf4843f1ded7a4151685dfcf07d5 or later

Affected products

ProductAffected versionsFixed in
Linux Linuxa37a6f54439bf82b827a7072415d3a4afa4e12bd ≤ v < 1251bbdb8f5b2ea86ca9b4268a2e6aa34372ab33, a37a6f54439bf82b827a7072415d3a4afa4e12bd ≤ v < 333418872bfecf4843f1ded7a4151685dfcf07d5, 6.181251bbdb8f5b2ea86ca9b4268a2e6aa34372ab33, 333418872bfecf4843f1ded7a4151685dfcf07d5

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CVE-2026-23040 · Linux · Dark Radar