The Quantum State Continuity Problem and Temporal Enforcement against Fork Attacks

We introduce the Quantum State Continuity Problem QSCP, a security objective orthogonal to identity authentication that captures whether a systems current execution is a legitimate continuation of a unique past execution. We show that classical and stateless quantum authentication mechanisms fail...

The quantum state of Linux kernel garbage collection CVE-2021-0920 (Part I)

A deep dive into an in-the-wild Android exploit Guest Post by Xingyu Jin, Android Security Research This is part one of a two-part guest blog post, where first we'll look at the root cause of the CVE-2021-0920 vulnerability. In the second post, we'll dive into the in-the-wild 0-day exploitation o...