ipgre: test csumstart instead of transport header
This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.10.122 by commit fbeb8dfa8b87ef259eef0c89e39b53962a3cf604, it was introduced in version v5.10.68 by commit 87b34cd6485192777f632f92d592f2a71d8801a6. For more details please see the references link.