Threats Tagged 'ubuntu-cve-2025-38112'
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Threats Tagged 'ubuntu-cve-2025-38112'
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In the Linux kernel, the following vulnerability has been resolved: net: Fix TOCTOU issue in sk_is_readable() sk->sk_prot->sock_is_readable is a valid function pointer when sk resides in a sockmap. After the last sk_psock_put() (which usually happens when socket is removed from sockmap), sk->sk_prot gets restored and sk->sk_prot->sock_is_readable becomes NULL. This makes sk_is_readable() racy, if the value of sk->sk_prot is reloaded after the initial check. Which in turn may lead to a null pointer dereference. Ensure the function pointer does not turn NULL after the check. Join the discussion | GCVE Database | 07/03/2025, 09:15:00 UTC Added: 07/31/2026, 15:55:45 UTC |
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