CVSS 7.8 · High EPSS 0,26%
Kerentanan pada linux kernel. Skor CVSS 3.1 7.8 (High) menurut NVD.
In the Linux kernel, the following vulnerability has been resolved: bpf: Don't redirect packets with invalid pkt_len Syzbot found an issue [1]: fq_codel_drop() try to drop a flow whitout any skbs, that is, the flow->head is null. The root cause, as the [2] says, is because that bpf_prog_test_run_skb() run a bpf prog which redirects empty skbs. So we should determine whether the length of the packet modified by bpf prog or others like bpf_prog_test is valid before forwarding it directly.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
· uraikan di kalkulator | Vendor | Produk | Versi terdampak |
|---|---|---|
| linux | linux kernel | Semua versi sebelum 5.4.212 |
| linux | linux kernel | Versi 5.5 hingga sebelum 5.10.141 |
| linux | linux kernel | Versi 5.11 hingga sebelum 5.15.65 |
| linux | linux kernel | Versi 5.16 hingga sebelum 5.19.7 |