Threats Tagged 'ghsa-9g79-vcq4-5rfr'
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Threats Tagged 'ghsa-9g79-vcq4-5rfr'
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In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: fix UAF in iso_recv_frame iso_recv_frame reads conn->sk under… (CVE-2026-63946)CVE-2026-63946 0 In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: fix UAF in iso_recv_frame iso_recv_frame reads conn->sk under iso_conn_lock but releases the lock before using sk, with no reference held. A concurrent iso_sock_kill() can free sk in that window, causing use-after-free on sk->sk_state and sock_queue_rcv_skb(). Fix by replacing the bare pointer read with iso_sock_hold(conn), which calls sock_hold() while the spinlock is held, atomically elevating the refcount before the lock drops. Add a drop_put label so sock_put() is called on all exit paths where the hold succeeded. Join the discussion | GCVE Database | 07/19/2026, 18:31:47 UTC Added: 07/19/2026, 19:38:18 UTC |
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