CVE-2026-23367Medium· 5.5▾ SunlitIn the Linux kernel, the following vulnerability has been resolved: wifi: radiotap: reject radiotap with unknown bits The radiotap parser is currently only used with the radiotap namespace (not with vendor namespaces), but if the undef…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 30.3 · likelihood 0 · exploitation 0
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Exploit-prediction probability, daily snapshots since Oct 15.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
Last analysed / modified upstream
0.1%
0.1% → 0.1%
In the Linux kernel, the following vulnerability has been resolved:
wifi: radiotap: reject radiotap with unknown bits
The radiotap parser is currently only used with the radiotap namespace (not with vendor namespaces), but if the undefined field 18 is used, the alignment/size is unknown as well. In this case, iterator->_next_ns_data isn't initialized (it's only set for skipping vendor namespaces), and syzbot points out that we later compare against this uninitialized value.
Fix this by moving the rejection of unknown radiotap fields down to after the in-namespace lookup, so it will really use iterator->_next_ns_data only for vendor namespaces, even in case undefined fields are present.
linux_kernel >= 2.6.34.1, < 5.10.253linux_kernel >= 5.11, < 5.15.203linux_kernel >= 5.16, < 6.1.167linux_kernel >= 6.2, < 6.6.130linux_kernel >= 6.7, < 6.12.77linux_kernel >= 6.13, < 6.18.17linux_kernel >= 6.19, < 6.19.7linux_kernel = 2.6.34linux_kernel = 7.0Upgrade past the affected range:
linux_kernel 6.19.7Connected by shared product, vendor, weakness, or advisory.
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