from @avboy1337
CVE-2022-2639: Linux kernel openvswitch local privilege escalation.
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introduced in: e64457191a259537bbbfaebeba9a8043786af96f (v3.13)
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fixed in: cefa91b2332d7009bc0be5d951d6cbbf349f90f8 (v5.18)
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.
