CVE-2026-74695

*** Pendiente de traducción *** In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> netfilter: nf_flow_table: drop existing skb dst before skb_dst_set_noref()<br /> <br /> Incoming skbs passing through netfilter flowtable offload hooks (or XFRM<br /> offload path) might already carry a ref-counted dst_entry assigned during<br /> earlier RX or routing steps.<br /> <br /> Calling skb_dst_set_noref() when skb already holds a ref-counted dst<br /> overwrites skb-&gt;_skb_refdst, leaking the previous dst_entry reference<br /> count and triggering a DEBUG_NET_WARN_ON_ONCE assertion in<br /> skb_dst_check_unset():<br /> <br /> WARNING: at skb_dst_check_unset include/linux/skbuff.h:1170<br /> WARNING: at skb_dst_set_noref include/linux/skbuff.h:1234<br /> WARNING: at nf_flow_offload_ip_hook+0xf6c/0x2b60 net/netfilter/nf_flow_table_ip.c:864<br /> <br /> Drop any existing dst_entry reference with skb_dst_drop(skb) before<br /> setting the non-referenced flowtable destination.