CVE-2026-98329
In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: don't allow injecting frames wider than the chanctx Frames injected on a monitor interface can carry a radiotap field requesting a bandwidth, which mac80211 passes down to the driver regardless of the the actual operational bandwidth. If the bandwidth requested is too wide, that triggers a warning in hwsim: WARN_ON(hwsim_get_chanwidth(bw) > hwsim_get_chanwidth(confbw)) Drop such frames entirely instead since they cannot be sent.
Affected versions
Linux kernel versions
4.7
and later are affected. Fixed in
6.12.112,
6.18.54,
7.2.8,
7.3-rc4
and their respective stable series.
References
4 totalFrequently asked questions
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What is CVE-2026-98329?
CVE-2026-98329 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 4.7 onward and has been patched in 6.12.112, 6.18.54, 7.2.8 and others. CVE-2026-98329 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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Is there a patch available for CVE-2026-98329?
Yes. CVE-2026-98329 has been patched. Fixed versions include 6.12.112, 6.18.54, 7.2.8 and others. If you are running Linux kernel 4.7 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2026-98329 actively exploited?
No. CVE-2026-98329 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.