cve/2021/CVE-2021-34556.md
2025-09-29 21:09:30 +02:00

738 B

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