wifi: mac80211: prevent AP VLAN tx from other interfaces

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-98822
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-10-18 16:17:36 UTC
Updated2026-10-19 10:19:46 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: prevent AP VLAN tx from other interfaces Since the station lookup was factored out of ieee80211_build_hdr(), ieee80211_lookup_ra_sta() uses sta_info_get_bss() for all AP and AP VLAN frames, not only for control port frames. A unicast frame sent on one interface thus matches a station of a different VLAN of the same BSS and is transmitted to it. Only match stations of the interface the frame is sent on, except for control port frames, since those may be sent for VLAN stations directly on the BSS interface.

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 97ffe75791b3e9c0797d5891070e41321c3beccb fd875e24e8f2b202e3636b3ef8e6060874eca0e5 git Not specified
CNA Linux Linux affected 97ffe75791b3e9c0797d5891070e41321c3beccb 88e96d902efeefbffc34450969f40dc61a0c8a42 git Not specified
CNA Linux Linux affected 97ffe75791b3e9c0797d5891070e41321c3beccb ad61b9a5febb42e4b96df8d30ad76ddc36dda9d0 git Not specified
CNA Linux Linux affected 97ffe75791b3e9c0797d5891070e41321c3beccb 7f93ca31f7fd9b42e7d692f59514436d448ac908 git Not specified
CNA Linux Linux affected 4.1 Not specified
CNA Linux Linux unaffected 4.1 semver Not specified
CNA Linux Linux unaffected 6.12.113 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.56 6.18.* semver Not specified
CNA Linux Linux unaffected 7.2.10 7.2.* semver Not specified
CNA Linux Linux unaffected 7.3 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/ad61b9a5febb42e4b96df8d30ad76ddc36dda9d0 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/88e96d902efeefbffc34450969f40dc61a0c8a42 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/fd875e24e8f2b202e3636b3ef8e6060874eca0e5 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/7f93ca31f7fd9b42e7d692f59514436d448ac908 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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