CVE-2024-36929 net: core: reject skb_copy(_expand) for fraglist GSO skbs

In the Linux kernel, the following vulnerability has been resolved: net: core: reject skbcopyexpand for fraglist GSO skbs SKBGSOFRAGLIST skbs must not be linearized, otherwise they become invalid. Return NULL if such an skb is passed to skbcopy or skbcopyexpand, in order to prevent a crash on a...

CVE-2021-47236: Missing Release of Memory after Effective Lifetime

In the Linux kernel, the following vulnerability has been resolved: net: cdceem: fix tx fixup skb leak when usbnet transmit a skb, eem fixup it in eemtxfixup, if skbcopyexpand failed, it return NULL, usbnetstartxmit will have no chance to free original skb. fix it by free orginal skb in eemtxfixu...