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cs.CR2026
ACRFence: Preventing Semantic Rollback Attacks in Agent Checkpoint-Restore
Yusheng Zheng, Yiwei Yang, Wei Zhang +1
LLM agent frameworks increasingly offer checkpoint-restore for error recovery and exploration, advising developers to make external tool calls safe to retry. This advice assumes th…
cs.CR2025
Selective KV-Cache Sharing to Mitigate Timing Side-Channels in LLM Inference
Kexin Chu, Zecheng Lin, Dawei Xiang +7
Global KV-cache sharing is an effective optimization for accelerating large language model (LLM) inference, yet it introduces an API-visible timing side channel that lets adversari…