Research on `pidfd_getfd(2)`-based file descriptor leakage from privileged SUID processes. Demonstrates race-condition FD capture against OpenSSH `ssh-keysign` and exposure of sensitive root-owned file handles.
Linux Privilege Escalation Framework — comprehensive privilege escalation vector analysis. The **π** motif reflects the ratio *C/d* (circumference to diameter): mapping attack surface to effective privilege boundaries.
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