CVE-2026-98336
In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: don't offload TC setup on AP_VLAN interfaces AP_VLAN interfaces are purely virtual, so don't try to offload TC setup to drivers. We can't really use the AP interface either since we may not know it all the time, and it could technically even change. Just reject the TC offload so things get done in software.
Affected versions
Linux kernel versions
6.4
and later are affected. Fixed in
6.6.158,
6.12.112,
6.18.54,
7.2.8,
7.3-rc4
and their respective stable series.
References
5 totalFrequently asked questions
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What is CVE-2026-98336?
CVE-2026-98336 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 6.4 onward and has been patched in 6.6.158, 6.12.112, 6.18.54 and others. CVE-2026-98336 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-2026-98336?
Yes. CVE-2026-98336 has been patched. Fixed versions include 6.6.158, 6.12.112, 6.18.54 and others. If you are running Linux kernel 6.4 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2026-98336 actively exploited?
No. CVE-2026-98336 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.