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THREAT OPS › Threat News › [NVD] CVE-2026-74268 (CRITICAL 9.8) — In the Linux kernel, the following vulnerability has been resolved: tcp: clear sock_ops cb flags before force-closing a child socket A child socket inherits the listener's bpf_sock_ops_cb_flags via sk_clone_lock(). If its setup fails in tcp_v4_syn_recv_sock() / tcp_v6_syn_recv_

[NVD] CVE-2026-74268 (CRITICAL 9.8) — In the Linux kernel, the following vulnerability has been resolved: tcp: clear sock_ops cb flags before force-closing a child socket A child socket inherits the listener's bpf_sock_ops_cb_flags via sk_clone_lock(). If its setup fails in tcp_v4_syn_recv_sock() / tcp_v6_syn_recv_

lownvdPublished 2026-08-15

CVE-2026-74268 CVSS: 9.8 CRITICAL Published: 2026-08-15T06:22:26.183

In the Linux kernel, the following vulnerability has been resolved:

tcp: clear sock_ops cb flags before force-closing a child socket

A child socket inherits the listener's bpf_sock_ops_cb_flags via sk_clone_lock(). If its setup fails in tcp_v4_syn_recv_sock() / tcp_v6_syn_recv_sock(), the child is freed through put_and_exit, w

Indicators of compromise

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-74268