CVE-2026-46267

In the Linux kernel, the following vulnerability has been resolved: nfc: hci: shdlc: Stop timers and work before freeing context llcshdlcdeinit purges SHDLC skb queues and frees the llcshdlc structure while its timers and state machine work may still be active. Timer callbacks can schedule smwork...

CVE-2026-46267

CVE-2026-46267 affects the Linux kernel NFC HCI SHDLC subsystem. The root cause is that timers and state-machine work can remain active during llc_shdlc_deinit(), which purges SHDLC skb queues and frees the llc_shdlc structure while callbacks may still access SHDLC state and queues. If teardown r...