CVE-2024-26857 geneve: make sure to pull inner header in geneve_rx()

In the Linux kernel, the following vulnerability has been resolved: geneve: make sure to pull inner header in geneverx syzbot triggered a bug in geneverx 1 Issue is similar to the one I fixed in commit 8d975c15c0cd "ip6tunnel: make sure to pull inner header in ip6tnlrcv" We have to save...

CVE-2024-26857

CVE-2024-26857 affects the Linux kernel’s geneve_rx path in drivers/net/geneve.c, where skb->network_header must be saved before calling pskb_inet_may_pull() to recompute the network header after pulling headers. The issue is tied to uninitialized values in IP_ECN_decapsulate and the chain lea...