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CVE-2021-33624

Description

In kernel/bpf/verifier.c in the Linux kernel before 5.12.13, a branch can be mispredicted (e.g., because of type confusion) and consequently an unprivileged BPF program can read arbitrary memory locations via a side-channel attack, aka CID-9183671af6db.

POC

Reference

No PoCs from references.

Github

- https://github.com/ARPSyndicate/cvemon

- https://github.com/Kakashiiiiy/CVE-2021-33624

- https://github.com/NaInSec/CVE-PoC-in-GitHub

- https://github.com/SYRTI/POC_to_review

- https://github.com/WhooAmii/POC_to_review

- https://github.com/benschlueter/CVE-2021-33624

- https://github.com/n0-traces/cve_monitor

- https://github.com/nomi-sec/PoC-in-GitHub

- https://github.com/soosmile/POC

- https://github.com/trhacknon/Pocingit

- https://github.com/zecool/cve