CVE-2026-43093

*** Pendiente de traducción *** In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> xsk: tighten UMEM headroom validation to account for tailroom and min frame<br /> <br /> The current headroom validation in xdp_umem_reg() could leave us with<br /> insufficient space dedicated to even receive minimum-sized ethernet<br /> frame. Furthermore if multi-buffer would come to play then<br /> skb_shared_info stored at the end of XSK frame would be corrupted.<br /> <br /> HW typically works with 128-aligned sizes so let us provide this value<br /> as bare minimum.<br /> <br /> Multi-buffer setting is known later in the configuration process so<br /> besides accounting for 128 bytes, let us also take care of tailroom space<br /> upfront.