CVE-2026-98336 is a vulnerability in Linux Kernel
Published on October 6, 2026
wifi: mac80211: don't offload TC setup on AP_VLAN interfaces
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.
Products Associated with CVE-2026-98336
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Affected Versions
Linux:- Version 61587f1556fec39e8bafc40c8715f560639a4cf2 and below 790221efbfece13a2347563b3785aaca48f192e2 is affected.
- Version 61587f1556fec39e8bafc40c8715f560639a4cf2 and below 40bc8a268c3b6e21fa3a8dd1b4fd85aa905b9718 is affected.
- Version 61587f1556fec39e8bafc40c8715f560639a4cf2 and below 9c34f01b8f2177dd4e1ee524ca1f9ca3fcd85a11 is affected.
- Version 61587f1556fec39e8bafc40c8715f560639a4cf2 and below ea3ef2165e4751df2ee3bc1c07a192243a08faa5 is affected.
- Version 61587f1556fec39e8bafc40c8715f560639a4cf2 and below 362bd5bce29ed0f6fd3d39a7065567777d70606e is affected.
- Version 6.4 is affected.
- Before 6.4 is unaffected.
- Version 6.6.158, <= 6.6.* is unaffected.
- Version 6.12.112, <= 6.12.* is unaffected.
- Version 6.18.54, <= 6.18.* is unaffected.
- Version 7.2.8, <= 7.2.* is unaffected.
- Version 7.3-rc4, <= * is unaffected.