CVE-2026-98374

In the Linux kernel, the following vulnerability has been resolved: tcp: fix use-after-free of retransmitskbhint in tcpsendsynack When tcpsendsynack replaces the cloned SYN skb at the head of the retransmit queue with a copy, it frees the original with tcprtxqueueunlinkandfree and only repairs...

CVE-2026-98374 tcp: fix use-after-free of retransmit_skb_hint in tcp_send_synack()

In the Linux kernel, the following vulnerability has been resolved: tcp: fix use-after-free of retransmitskbhint in tcpsendsynack When tcpsendsynack replaces the cloned SYN skb at the head of the retransmit queue with a copy, it frees the original with tcprtxqueueunlinkandfree and only repairs...

CVE-2026-98374

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

CVE-2026-98374

The Linux kernel is vulnerable to a use-after-free flaw in the tcp_send_synack() function. The issue occurs because the function frees the original cloned SYN skb using tcp_rtx_queue_unlink_and_free() but fails to update tp->retransmit_skb_hint, which continues to point at the freed skbuff_fcl...

EUVD-2026-94323

In the Linux kernel, the following vulnerability has been resolved: tcp: fix use-after-free of retransmitskbhint in tcpsendsynack When tcpsendsynack replaces the cloned SYN skb at the head of the retransmit queue with a copy, it frees the original with tcprtxqueueunlinkandfree and only repairs...