CVE-2026-23040 Details
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.
A vulnerability in the Linux kernel's mac80211_hwsim module has been fixed, addressing a typo in the frequency notification for the Neighbor Awareness Networking (NAN) protocol. The notification incorrectly referenced 5475 MHz, which is not a valid channel, instead of the correct frequency of 5745 MHz, corresponding to channel 149. This error could lead to a NULL pointer dereference in the cfg80211_next_nan_dw_notif function.
Metrics
CVSS 4.0 Severity and Vector Strings:
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
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Assessed Feb 4, 2026References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://git.kernel.org/stable/c/1251bbdb8f5b2ea86ca9b4268a2e6aa34372ab33 | kernel.org | Source CodeVendor |
| https://git.kernel.org/stable/c/333418872bfecf4843f1ded7a4151685dfcf07d5 | kernel.org | Source CodeVendor |
Weakness Enumeration
No weakness enumeration is available for this CVE.
Affected Products
| Product | Versions |
|---|---|
| Linux kernel | All versions |
CPE
Remediation
| |
| Linux mac80211_hwsim | All versions |
CPE
Remediation
| |
Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | kernel.org |
| Feb 4, 2026 | New CVE Received | kernel.org |
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