mac802154: remove interfaces with RCU list deletion

Summary

In the Linux kernel, the following vulnerability has been resolved: mac802154: remove interfaces with RCU list deletion Queue wake, stop, and disable paths walk local->interfaces under RCU. The bulk hardware teardown path removes entries with list_del(), so an asynchronous transmit completion can follow a poisoned list node in ieee802154_wake_queue(). Use list_del_rcu() as in the single-interface removal path. The following unregister_netdevice() waits for in-flight RCU readers before freeing the netdevice, so no separate grace-period wait is needed.

Timeline

1. Aug 15, 2026, 5:51 AM UTCCVE published
2. Oct 16, 2026, 3:50 PM UTCCISA SSVC assessment

   Exploitation: none · Automatable: no · Technical impact: total

3. Oct 19, 2026, 9:19 PM UTCRecord last updated

Affected versions

• Linux Linux

  From 592dfbfc72f5352437c883aa11ab579d10cdb595 · fixed in 72ac5af9ad09662bd0ea91cb8845d490c8ef9c01; From 592dfbfc72f5352437c883aa11ab579d10cdb595 · fixed in 2039f27b1a0c997137a5de7f8a3cee0e80fbf952; From 592dfbfc72f5352437c883aa11ab579d10cdb595 · fixed in 4bf231f459b542414629b64f63d5cad6701bd07c; From 592dfbfc72f5352437c883aa11ab579d10cdb595 · fixed in b91e5248dd7af09b500879a46d22a36b60db3a57; From 592dfbfc72f5352437c883aa11ab579d10cdb595 · fixed in c7c031b75218b3ba3014a0f6b9849888994528d6; From 592dfbfc72f5352437c883aa11ab579d10cdb595 · fixed in 77caf2d6eba7cb94a7ecd7b369a5974fd7d7c054; From 592dfbfc72f5352437c883aa11ab579d10cdb595 · fixed in d8b5b66388a51febe4b8505b0ecd9da15b4ba639; From 592dfbfc72f5352437c883aa11ab579d10cdb595 · fixed in 539dfcf69105d8d3d4d677b71de6e5ede2e6dfa0

• Linux Linux

  3.19

• KernelLinux

  From 3.19.0 · fixed in 5.10.261; From 5.11.0 · fixed in 5.15.212; From 5.16.0 · fixed in 6.1.178; From 6.2.0 · fixed in 6.6.145; From 6.7.0 · fixed in 6.12.97; From 6.13.0 · fixed in 6.18.40; From 6.19.0 · fixed in 7.1.5

References 8