CVE-2024-47708 - Netkit BPF Null Pointer Dereference Vulnerability

CVE-2024-47708 - Netkit BPF Null Pointer Dereference Vulnerability

https://cvefeed.io/rssfeed/latest.atom / Mon, 10/21/2024 - 15:15
CVE ID : CVE-2024-47708
Published : Oct. 21, 2024, 12:15 p.m. | 1 hour ago
Description : In the Linux kernel, the following vulnerability has been resolved: netkit: Assign missing bpf_net_context During the introduction of struct bpf_net_context handling for XDP-redirect, the netkit driver has been missed, which also requires it because NETKIT_REDIRECT invokes skb_do_redirect() which is accessing the per-CPU variables. Otherwise we see the following crash: BUG: kernel NULL pointer dereference, address: 0000000000000038 bpf_redirect() netkit_xmit() dev_hard_start_xmit() Set the bpf_net_context before invoking netkit_xmit() program within the netkit driver.
Severity: 0.0 | NA
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