Threats Tagged 'cve-2026-80984'
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Threats Tagged 'cve-2026-80984'
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A vulnerability in the Linux kernel's SMC-D (Shared Memory Communications - Datagram) teardown path could cause a NULL pointer dereference when closing a socket. This occurs because the send buffer pointer may be unset and dereferenced during socket closure, leading to a fault. The issue arises from smc_close_stream_wait() calling smc_tx_prepared_sends() inside a condition evaluated without the socket lock, while the send buffer descriptor can be cleared concurrently. The vulnerability has been resolved by sampling the pointer once and handling the unset state safely. Join the discussion | GCVE Database | 09/11/2026, 21:31:23 UTC Added: 09/12/2026, 00:43:21 UTC |
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