CVE-2026-74665 net: fix skb length accounting after generic XDP frag adjustment

In the Linux kernel, the following vulnerability has been resolved: net: fix skb length accounting after generic XDP frag adjustment Generic XDP exposes non-linear skb fragments through an xdpbuff. If an XDP program adjusts the fragment area, bpfprogrungenericxdp copies xdpfragssize back to...

CVE-2026-74665

CVE-2026-74665 is a length-accounting bug in the Linux kernel networking stack, specifically in bpf_prog_run_generic_xdp(). When a Generic XDP program shrinks the fragment area of a non-linear skb, the function updates skb->data_len but fails to adjust skb->len, causing skb_headlen() to rep...

PT-2026-79670

In the Linux kernel, the following vulnerability has been resolved: net: fix skb length accounting after generic XDP frag adjustment Generic XDP exposes non-linear skb fragments through an xdp buff. If an XDP program adjusts the fragment area, bpf prog run generic xdp copies xdp frags size back t...

UBUNTU-CVE-2026-64355

In the Linux kernel, the following vulnerability has been resolved: bpf: Reject fragmented frames in devmap Devmap broadcast redirects clone the packet for all but the last destination. For native XDP, that clone path copies only the linear xdpframe data, while fragmented frames keep skbsharedinf...

CVE-2026-64355 bpf: Reject fragmented frames in devmap

In the Linux kernel, the following vulnerability has been resolved: bpf: Reject fragmented frames in devmap Devmap broadcast redirects clone the packet for all but the last destination. For native XDP, that clone path copies only the linear xdpframe data, while fragmented frames keep skbsharedinf...

CVE-2025-21808

Technical details for CVE-2025-21808 (affected product/version, root cause, exploit info) are not provided in the connected documents. The Initial Description is present, but mode C cannot be applied without corroborating specifics. Monitor for updates.