Threats Tagged 'ubuntu-cve-2026-31408'
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Threats Tagged 'ubuntu-cve-2026-31408'
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In the Linux kernel, the following vulnerability has been resolved: Bluetooth: SCO: Fix use-after-free in sco_recv_frame() due to missing sock_hold… (CVE-2026-31408)CVE-2026-31408 0 In the Linux kernel, the following vulnerability has been resolved: Bluetooth: SCO: Fix use-after-free in sco_recv_frame() due to missing sock_hold sco_recv_frame() reads conn->sk under sco_conn_lock() but immediately releases the lock without holding a reference to the socket. A concurrent close() can free the socket between the lock release and the subsequent sk->sk_state access, resulting in a use-after-free. Other functions in the same file (sco_sock_timeout(), sco_conn_del()) correctly use sco_sock_hold() to safely hold a reference under the lock. Fix by using sco_sock_hold() to take a reference before releasing the lock, and adding sock_put() on all exit paths. Join the discussion | GCVE Database | 04/06/2026, 08:16:00 UTC Added: 07/18/2026, 11:24:22 UTC |
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