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Internet Bug Bounty: [CVE-2020-27194] Linux kernel: eBPF verifier bug in `or` binary operation tracking function leads to LPE

🗓️ 16 Oct 2020 20:23:55Reported by simonscannellType 
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 hackerone
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Linux kernel eBPF verifier bug allows unprivileged attacker to achieve LPE by creating BPF socket filter programs that can read and write out of bounds. Vulnerable in kernel 5.8.* branch, affecting Ubuntu 22.10 and Fedora 33

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