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CVE-2022-2639 (using pipe primitive)

CVE-2022-2639: Linux kernel openvswitch local privilege escalation.

Using pipe-primitive to exploit CVE-2022-2639, so no kaslr leak nor smap smep ktpi bypass is needed :)

(Q: What is pipe-primitive? A: https://github.com/veritas501/pipe-primitive)

Chinese writeup: coming soon.

!! For educational / research purposes only. Use at your own risk. !!

Tested on 5.13, 5.4, 4.18.