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Vulnerability · Published Feb 4, 2026 · Assigned by Linux

CVE-2026-23040wifi: mac80211_hwsim: fix typo in frequency notification

Unrated

In plain English

A security flaw in Linux from Linux. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 7% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS )–Not rated
Exploit odds (30 days)0.2%top 93.1% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:10kernel6.12.0-211.7.1.el10_2ALSA-2026:18134
AlmaLinux:9kernel5.14.0-687.5.1.el9_8ALSA-2026:18587
AlmaLinux:10kernel-64k6.12.0-211.7.1.el10_2ALSA-2026:18134
AlmaLinux:9kernel-64k5.14.0-687.5.1.el9_8ALSA-2026:18587
AlmaLinux:10kernel-64k-core6.12.0-211.7.1.el10_2ALSA-2026:18134
AlmaLinux:9kernel-64k-core5.14.0-687.5.1.el9_8ALSA-2026:18587
AlmaLinux:10kernel-64k-debug6.12.0-211.7.1.el10_2ALSA-2026:18134
AlmaLinux:9kernel-64k-debug5.14.0-687.5.1.el9_8ALSA-2026:18587
AlmaLinux:10kernel-64k-debug-core6.12.0-211.7.1.el10_2ALSA-2026:18134
AlmaLinux:9kernel-64k-debug-core5.14.0-687.5.1.el9_8ALSA-2026:18587
AlmaLinux:10kernel-64k-debug-devel6.12.0-211.7.1.el10_2ALSA-2026:18134
AlmaLinux:9kernel-64k-debug-devel5.14.0-687.5.1.el9_8ALSA-2026:18587
AlmaLinux:10kernel-64k-debug-devel-matched6.12.0-211.7.1.el10_2ALSA-2026:18134
AlmaLinux:9kernel-64k-debug-devel-matched5.14.0-687.5.1.el9_8ALSA-2026:18587
AlmaLinux:10kernel-64k-debug-modules6.12.0-211.7.1.el10_2ALSA-2026:18134
AlmaLinux:9kernel-64k-debug-modules5.14.0-687.5.1.el9_8ALSA-2026:18587
AlmaLinux:10kernel-64k-debug-modules-core6.12.0-211.7.1.el10_2ALSA-2026:18134
AlmaLinux:9kernel-64k-debug-modules-core5.14.0-687.5.1.el9_8ALSA-2026:18587
AlmaLinux:10kernel-64k-debug-modules-extra6.12.0-211.7.1.el10_2ALSA-2026:18134
AlmaLinux:9kernel-64k-debug-modules-extra5.14.0-687.5.1.el9_8ALSA-2026:18587
AlmaLinux:10kernel-64k-devel6.12.0-211.7.1.el10_2ALSA-2026:18134
AlmaLinux:9kernel-64k-devel5.14.0-687.5.1.el9_8ALSA-2026:18587
AlmaLinux:10kernel-64k-devel-matched6.12.0-211.7.1.el10_2ALSA-2026:18134
AlmaLinux:9kernel-64k-devel-matched5.14.0-687.5.1.el9_8ALSA-2026:18587
AlmaLinux:10kernel-64k-modules6.12.0-211.7.1.el10_2ALSA-2026:18134
AlmaLinux:9kernel-64k-modules5.14.0-687.5.1.el9_8ALSA-2026:18587
AlmaLinux:10kernel-64k-modules-core6.12.0-211.7.1.el10_2ALSA-2026:18134
AlmaLinux:9kernel-64k-modules-core5.14.0-687.5.1.el9_8ALSA-2026:18587
AlmaLinux:10kernel-64k-modules-extra6.12.0-211.7.1.el10_2ALSA-2026:18134
AlmaLinux:9kernel-64k-modules-extra5.14.0-687.5.1.el9_8ALSA-2026:18587
AlmaLinux:10kernel-abi-stablelists6.12.0-211.7.1.el10_2ALSA-2026:18134
AlmaLinux:9kernel-abi-stablelists5.14.0-687.5.1.el9_8ALSA-2026:18587
AlmaLinux:10kernel-core6.12.0-211.7.1.el10_2ALSA-2026:18134
AlmaLinux:9kernel-core5.14.0-687.5.1.el9_8ALSA-2026:18587
AlmaLinux:10kernel-cross-headers6.12.0-211.7.1.el10_2ALSA-2026:18134
AlmaLinux:9kernel-cross-headers5.14.0-687.5.1.el9_8ALSA-2026:18587
AlmaLinux:10kernel-debug6.12.0-211.7.1.el10_2ALSA-2026:18134
AlmaLinux:9kernel-debug5.14.0-687.5.1.el9_8ALSA-2026:18587
AlmaLinux:10kernel-debug-core6.12.0-211.7.1.el10_2ALSA-2026:18134
AlmaLinux:9kernel-debug-core5.14.0-687.5.1.el9_8ALSA-2026:18587
AlmaLinux:10kernel-debug-devel6.12.0-211.7.1.el10_2ALSA-2026:18134
AlmaLinux:9kernel-debug-devel5.14.0-687.5.1.el9_8ALSA-2026:18587
AlmaLinux:10kernel-debug-devel-matched6.12.0-211.7.1.el10_2ALSA-2026:18134
AlmaLinux:9kernel-debug-devel-matched5.14.0-687.5.1.el9_8ALSA-2026:18587
AlmaLinux:10kernel-debug-modules6.12.0-211.7.1.el10_2ALSA-2026:18134
AlmaLinux:9kernel-debug-modules5.14.0-687.5.1.el9_8ALSA-2026:18587
AlmaLinux:10kernel-debug-modules-core6.12.0-211.7.1.el10_2ALSA-2026:18134
AlmaLinux:9kernel-debug-modules-core5.14.0-687.5.1.el9_8ALSA-2026:18587
AlmaLinux:10kernel-debug-modules-extra6.12.0-211.7.1.el10_2ALSA-2026:18134
AlmaLinux:9kernel-debug-modules-extra5.14.0-687.5.1.el9_8ALSA-2026:18587
AlmaLinux:10kernel-debug-uki-virt6.12.0-211.7.1.el10_2ALSA-2026:18134
AlmaLinux:9kernel-debug-uki-virt5.14.0-687.5.1.el9_8ALSA-2026:18587
AlmaLinux:10kernel-devel6.12.0-211.7.1.el10_2ALSA-2026:18134
AlmaLinux:9kernel-devel5.14.0-687.5.1.el9_8ALSA-2026:18587
AlmaLinux:10kernel-devel-matched6.12.0-211.7.1.el10_2ALSA-2026:18134
AlmaLinux:9kernel-devel-matched5.14.0-687.5.1.el9_8ALSA-2026:18587
AlmaLinux:10kernel-doc6.12.0-211.7.1.el10_2ALSA-2026:18134
AlmaLinux:9kernel-doc5.14.0-687.5.1.el9_8ALSA-2026:18587
AlmaLinux:10kernel-headers6.12.0-211.7.1.el10_2ALSA-2026:18134
AlmaLinux:9kernel-headers5.14.0-687.5.1.el9_8ALSA-2026:18587
AlmaLinux:10kernel-modules6.12.0-211.7.1.el10_2ALSA-2026:18134
AlmaLinux:9kernel-modules5.14.0-687.5.1.el9_8ALSA-2026:18587
AlmaLinux:10kernel-modules-core6.12.0-211.7.1.el10_2ALSA-2026:18134
AlmaLinux:9kernel-modules-core5.14.0-687.5.1.el9_8ALSA-2026:18587
AlmaLinux:10kernel-modules-extra6.12.0-211.7.1.el10_2ALSA-2026:18134
AlmaLinux:9kernel-modules-extra5.14.0-687.5.1.el9_8ALSA-2026:18587
AlmaLinux:10kernel-modules-extra-matched6.12.0-211.7.1.el10_2ALSA-2026:18134
AlmaLinux:10kernel-rt6.12.0-211.7.1.el10_2ALSA-2026:18134
AlmaLinux:9kernel-rt5.14.0-687.5.1.el9_8ALSA-2026:18587
AlmaLinux:10kernel-rt-64k6.12.0-211.7.1.el10_2ALSA-2026:18134
AlmaLinux:9kernel-rt-64k5.14.0-687.5.1.el9_8ALSA-2026:18587
AlmaLinux:10kernel-rt-64k-core6.12.0-211.7.1.el10_2ALSA-2026:18134
AlmaLinux:9kernel-rt-64k-core5.14.0-687.5.1.el9_8ALSA-2026:18587
AlmaLinux:10kernel-rt-64k-debug6.12.0-211.7.1.el10_2ALSA-2026:18134
AlmaLinux:9kernel-rt-64k-debug5.14.0-687.5.1.el9_8ALSA-2026:18587
AlmaLinux:10kernel-rt-64k-debug-core6.12.0-211.7.1.el10_2ALSA-2026:18134
AlmaLinux:9kernel-rt-64k-debug-core5.14.0-687.5.1.el9_8ALSA-2026:18587
AlmaLinux:10kernel-rt-64k-debug-devel6.12.0-211.7.1.el10_2ALSA-2026:18134
AlmaLinux:9kernel-rt-64k-debug-devel5.14.0-687.5.1.el9_8ALSA-2026:18587
AlmaLinux:10kernel-rt-64k-debug-modules6.12.0-211.7.1.el10_2ALSA-2026:18134
AlmaLinux:9kernel-rt-64k-debug-modules5.14.0-687.5.1.el9_8ALSA-2026:18587
AlmaLinux:10kernel-rt-64k-debug-modules-core6.12.0-211.7.1.el10_2ALSA-2026:18134
AlmaLinux:9kernel-rt-64k-debug-modules-core5.14.0-687.5.1.el9_8ALSA-2026:18587
AlmaLinux:10kernel-rt-64k-debug-modules-extra6.12.0-211.7.1.el10_2ALSA-2026:18134
AlmaLinux:9kernel-rt-64k-debug-modules-extra5.14.0-687.5.1.el9_8ALSA-2026:18587
AlmaLinux:10kernel-rt-64k-devel6.12.0-211.7.1.el10_2ALSA-2026:18134
AlmaLinux:9kernel-rt-64k-devel5.14.0-687.5.1.el9_8ALSA-2026:18587
AlmaLinux:10kernel-rt-64k-modules6.12.0-211.7.1.el10_2ALSA-2026:18134
AlmaLinux:9kernel-rt-64k-modules5.14.0-687.5.1.el9_8ALSA-2026:18587
AlmaLinux:10kernel-rt-64k-modules-core6.12.0-211.7.1.el10_2ALSA-2026:18134
AlmaLinux:9kernel-rt-64k-modules-core5.14.0-687.5.1.el9_8ALSA-2026:18587
AlmaLinux:10kernel-rt-64k-modules-extra6.12.0-211.7.1.el10_2ALSA-2026:18134
AlmaLinux:9kernel-rt-64k-modules-extra5.14.0-687.5.1.el9_8ALSA-2026:18587
AlmaLinux:10kernel-rt-core6.12.0-211.7.1.el10_2ALSA-2026:18134
AlmaLinux:9kernel-rt-core5.14.0-687.5.1.el9_8ALSA-2026:18587
AlmaLinux:10kernel-rt-debug6.12.0-211.7.1.el10_2ALSA-2026:18134
AlmaLinux:9kernel-rt-debug5.14.0-687.5.1.el9_8ALSA-2026:18587
AlmaLinux:10kernel-rt-debug-core6.12.0-211.7.1.el10_2ALSA-2026:18134
AlmaLinux:9kernel-rt-debug-core5.14.0-687.5.1.el9_8ALSA-2026:18587
AlmaLinux:10kernel-rt-debug-devel6.12.0-211.7.1.el10_2ALSA-2026:18134
AlmaLinux:9kernel-rt-debug-devel5.14.0-687.5.1.el9_8ALSA-2026:18587
AlmaLinux:10kernel-rt-debug-modules6.12.0-211.7.1.el10_2ALSA-2026:18134
AlmaLinux:9kernel-rt-debug-modules5.14.0-687.5.1.el9_8ALSA-2026:18587
AlmaLinux:10kernel-rt-debug-modules-core6.12.0-211.7.1.el10_2ALSA-2026:18134
AlmaLinux:9kernel-rt-debug-modules-core5.14.0-687.5.1.el9_8ALSA-2026:18587
AlmaLinux:10kernel-rt-debug-modules-extra6.12.0-211.7.1.el10_2ALSA-2026:18134
AlmaLinux:9kernel-rt-debug-modules-extra5.14.0-687.5.1.el9_8ALSA-2026:18587
AlmaLinux:10kernel-rt-devel6.12.0-211.7.1.el10_2ALSA-2026:18134
AlmaLinux:9kernel-rt-devel5.14.0-687.5.1.el9_8ALSA-2026:18587
AlmaLinux:10kernel-rt-modules6.12.0-211.7.1.el10_2ALSA-2026:18134
AlmaLinux:9kernel-rt-modules5.14.0-687.5.1.el9_8ALSA-2026:18587
AlmaLinux:10kernel-rt-modules-core6.12.0-211.7.1.el10_2ALSA-2026:18134
AlmaLinux:9kernel-rt-modules-core5.14.0-687.5.1.el9_8ALSA-2026:18587
AlmaLinux:10kernel-rt-modules-extra6.12.0-211.7.1.el10_2ALSA-2026:18134
AlmaLinux:9kernel-rt-modules-extra5.14.0-687.5.1.el9_8ALSA-2026:18587
AlmaLinux:10kernel-tools6.12.0-211.7.1.el10_2ALSA-2026:18134
AlmaLinux:9kernel-tools5.14.0-687.5.1.el9_8ALSA-2026:18587
AlmaLinux:10kernel-tools-libs6.12.0-211.7.1.el10_2ALSA-2026:18134
AlmaLinux:9kernel-tools-libs5.14.0-687.5.1.el9_8ALSA-2026:18587
AlmaLinux:10kernel-tools-libs-devel6.12.0-211.7.1.el10_2ALSA-2026:18134
AlmaLinux:9kernel-tools-libs-devel5.14.0-687.5.1.el9_8ALSA-2026:18587
AlmaLinux:10kernel-uki-virt6.12.0-211.7.1.el10_2ALSA-2026:18134
AlmaLinux:9kernel-uki-virt5.14.0-687.5.1.el9_8ALSA-2026:18587
AlmaLinux:10kernel-uki-virt-addons6.12.0-211.7.1.el10_2ALSA-2026:18134
AlmaLinux:9kernel-uki-virt-addons5.14.0-687.5.1.el9_8ALSA-2026:18587
AlmaLinux:10kernel-zfcpdump6.12.0-211.7.1.el10_2ALSA-2026:18134
AlmaLinux:9kernel-zfcpdump5.14.0-687.5.1.el9_8ALSA-2026:18587
AlmaLinux:10kernel-zfcpdump-core6.12.0-211.7.1.el10_2ALSA-2026:18134
AlmaLinux:9kernel-zfcpdump-core5.14.0-687.5.1.el9_8ALSA-2026:18587
AlmaLinux:10kernel-zfcpdump-devel6.12.0-211.7.1.el10_2ALSA-2026:18134
AlmaLinux:9kernel-zfcpdump-devel5.14.0-687.5.1.el9_8ALSA-2026:18587
AlmaLinux:10kernel-zfcpdump-devel-matched6.12.0-211.7.1.el10_2ALSA-2026:18134
AlmaLinux:9kernel-zfcpdump-devel-matched5.14.0-687.5.1.el9_8ALSA-2026:18587
AlmaLinux:10kernel-zfcpdump-modules6.12.0-211.7.1.el10_2ALSA-2026:18134
AlmaLinux:9kernel-zfcpdump-modules5.14.0-687.5.1.el9_8ALSA-2026:18587
AlmaLinux:10kernel-zfcpdump-modules-core6.12.0-211.7.1.el10_2ALSA-2026:18134
AlmaLinux:9kernel-zfcpdump-modules-core5.14.0-687.5.1.el9_8ALSA-2026:18587
AlmaLinux:10kernel-zfcpdump-modules-extra6.12.0-211.7.1.el10_2ALSA-2026:18134
AlmaLinux:9kernel-zfcpdump-modules-extra5.14.0-687.5.1.el9_8ALSA-2026:18587
AlmaLinux:10libperf6.12.0-211.7.1.el10_2ALSA-2026:18134
AlmaLinux:9libperf5.14.0-687.5.1.el9_8ALSA-2026:18587
AlmaLinux:10perf6.12.0-211.7.1.el10_2ALSA-2026:18134
AlmaLinux:9perf5.14.0-687.5.1.el9_8ALSA-2026:18587
AlmaLinux:10python3-perf6.12.0-211.7.1.el10_2ALSA-2026:18134
AlmaLinux:9python3-perf5.14.0-687.5.1.el9_8ALSA-2026:18587
AlmaLinux:10rtla6.12.0-211.7.1.el10_2ALSA-2026:18134
AlmaLinux:9rtla5.14.0-687.5.1.el9_8ALSA-2026:18587
AlmaLinux:10rv6.12.0-211.7.1.el10_2ALSA-2026:18134
AlmaLinux:9rv5.14.0-687.5.1.el9_8ALSA-2026:18587
Debian:14linux6.18.8-1DEBIAN-CVE-2026-23040
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2026-23040
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2026-23040
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2026-23040
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2026-23040
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2026-23040
Ubuntu:24.04:LTSlinux-azure-6.11no fix listedUBUNTU-CVE-2026-23040
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2026-23040
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2026-23040
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2026-23040
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2026-23040
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2026-23040
Ubuntu:24.04:LTSlinux-gcp-6.11no fix listedUBUNTU-CVE-2026-23040
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2026-23040
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2026-23040
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2026-23040
Ubuntu:24.04:LTSlinux-hwe-6.11no fix listedUBUNTU-CVE-2026-23040
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2026-23040
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2026-23040
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2026-23040
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2026-23040
Ubuntu:24.04:LTSlinux-lowlatency-hwe-6.11no fix listedUBUNTU-CVE-2026-23040
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2026-23040
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2026-23040
Ubuntu:24.04:LTSlinux-nvidia-6.11no fix listedUBUNTU-CVE-2026-23040
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2026-23040
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2026-23040
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2026-23040
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2026-23040
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2026-23040
Ubuntu:24.04:LTSlinux-oem-6.11no fix listedUBUNTU-CVE-2026-23040
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2026-23040
Ubuntu:24.04:LTSlinux-oem-6.8no fix listedUBUNTU-CVE-2026-23040
Ubuntu:24.04:LTSlinux-oracle-6.14no fix listedUBUNTU-CVE-2026-23040
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2026-23040
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2026-23040
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2026-23040
Ubuntu:24.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2026-23040
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2026-23040
Ubuntu:24.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2026-23040
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2026-23040
Ubuntu:24.04:LTSlinux-riscv-6.14no fix listedUBUNTU-CVE-2026-23040
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2026-23040
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2026-23040
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2026-23040
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2026-23040

Affected products (as reported)

VendorProductVersions
Linux Linux a37a6f54439bf82b827a7072415d3a4afa4e12bd – before 1251bbdb8f5b2ea86ca9b4268a2e6aa34372ab33a37a6f54439bf82b827a7072415d3a4afa4e12bd – before 333418872bfecf4843f1ded7a4151685dfcf07d5
Linux Linux 6.18

References