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Vulnerability DatabaseCVE-2026-23040

CVE-2026-23040: 
Linux Kernel vulnerability analysis and mitigation

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.

Source: NVD

Related Linux Kernel vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2026-31427HIGH7.8
  • Linux KernelLinux Kernel
  • libperf
NoYesApr 13, 2026
CVE-2025-54510MEDIUM5.9
  • Linux KernelLinux Kernel
  • kernel-devel-matched
NoNoApr 16, 2026
CVE-2026-31428MEDIUM5.5
  • Linux KernelLinux Kernel
  • linux-riscv
NoYesApr 13, 2026
CVE-2026-31430N/AN/A
  • Linux KernelLinux Kernel
  • kernel-zfcpdump-modules
NoNoApr 20, 2026
CVE-2026-31429N/AN/A
  • Linux KernelLinux Kernel
  • kernel-64k-devel
NoNoApr 20, 2026

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