Medium severity6.4NVD Advisory· Published Apr 5, 2026· Updated Apr 7, 2026
CVE-2026-5590
CVE-2026-5590
Description
A race condition during TCP connection teardown can cause tcp_recv() to operate on a connection that has already been released. If tcp_conn_search() returns NULL while processing a SYN packet, a NULL pointer derived from stale context data is passed to tcp_backlog_is_full() and dereferenced without validation, leading to a crash.
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Affected products
1Patches
Vulnerability mechanics
References
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