CVE-2026-99055

The Linux kernel contains a vulnerability where the can_map_frag() function dereferences a null pointer when processing net_iov fragments during zerocopy receive mapping . Specifically, skb_frag_page() returns NULL for a net_iov, but can_map_frag() fails to handle this, leading to a null-ptr-dere...

CVE-2024-26640: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: tcp: add sanity checks to rx zerocopy TCP rx zerocopy intent is to map pages initially allocated from NIC drivers, not pages owned by a fs. This patch adds to canmapfrag these additional checks: - Page must not be a compound one....