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Linux Kernel Security Linux Kernel Security @linkersec · 4.74K subscribers
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CVE-2022-0185 - Winning a $31337 Bounty after Pwning Ubuntu and Escaping Google's KCTF Containers

An article describing an exploit for a slab-out-of-bounds bug in the fsconfig syscall handler. By FizzBuzz101, @clubby789, @ryaagard, @Chronos190, @ginkoid, and @chop0_.

Authors managed to both get LPE on the Ubuntu kernel and escape the kCTF infrastructure container, and thus claim the kCTF VRP bounty.

The bug was found with syzkaller, and it was also reported by syzbot.
www.willsroot.io CVE-2022-0185 - Winning a $31337 Bounty after Pwning Ubuntu and Escaping Google's KCTF Containers Vulnerability Research on Low-Level Systems
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