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CVE-2021-34556

Description

In the Linux kernel through 5.13.7, an unprivileged BPF program can obtain sensitive information from kernel memory via a Speculative Store Bypass side-channel attack because the protection mechanism neglects the possibility of uninitialized memory locations on the BPF stack.

POC

Reference

No PoCs from references.

Github

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