SPECWANDS: An Efficient Priority-based Scheduler Against Speculation Contention Attacks. (arXiv:2302.00947v1 [cs.CR])

Transient Execution Attacks (TEAs) have gradually become a major security
threat to modern high-performance processors. They exploit the vulnerability of
speculative execution to illegally access private data, and transmit them
through timing-based covert channels. While new vulnerabilities are discovered
continuously, the covert channels can be categorised to two types: 1)
Persistent Type, in which covert channels are based on the layout changes of
buffering, e.g. through caches or TLBs; 2) Volatile Type, in which covert
channels are based on the …

access attacks covert data exploit high major performance persistent private private data processors scheduler security security threat speculative execution threat types vulnerabilities vulnerability