CVE-2025-38115 net_sched: sch_sfq: fix a potential crash on gso_skb handling

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Multiple CVEs Addressed in Network Scheduler Component Three vulnerabilities in the network scheduler component have been documented, affecting the handling of gso_skb and perturb period configurations. The vulnerabilities, identified as CVE-2025-38115, CVE-2025-37992, and CVE-2025-38193, were published in mid-2025 and have been addressed in recent updates. 4 sources 46