tcp: stable backports from upstream for 9.8 phase 2

Paolo Abenirequested to merge
pabeni/centos-stream-9:tcp_98_phase2 into main

JIRA: https://issues.redhat.com/browse/RHEL-115628 CVE: CVE-2025-39955

A couple of fixes from upstream addressing critical issues, and a related follow-up

Signed-off-by: Paolo Abeni pabeni@redhat.com

Edited by Paolo Abeni

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