In the Linux kernel, the following vulnerability has been resolved: netkit: Assign missing bpfnetcontext During the introduction of struct bpfnetcontext handling for XDP-redirect, the netkit driver has been missed, which also requires it because NETKITREDIRECT invokes skbdoredirect() which is accessing the per-CPU variables. Otherwise we see the following crash: BUG: kernel NULL pointer dereference, address: 0000000000000038 bpfredirect() netkitxmit() devhardstartxmit() Set the bpfnetcontext before invoking netkit_xmit() program within the netkit driver.
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