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Researchers introduced PrimSynth, a multi-agent framework that discovers, validates, and synthesizes exploit primitives for Linux kernel memory-corruption vulnerabilities. The system models six primitive classes and uses vulnerability-directed execution, runtime validation, static analysis, iterative agent feedback, and rebootable test environments to build multi-stage exploit strategies, including object constraints, sequencing, environmental prerequisites, and code-synthesis rules.
Across 16 real-world Linux kernel CVEs spanning five vulnerability types, PrimSynth achieved a reported 100% primitive-match rate. It synthesized complete exploit strategies in 82.4% of cases when public proof-of-concept guidance was available and 61.3% without primitive hypotheses; however, the evaluation used controlled, permissive conditions and did not validate effectiveness against hardened production systems with protections such as KPTI, control-flow integrity, or pointer authentication.
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Pengfei Wang, Anying Chen, Danjun Liu, Xu Zhou, and Wei Xie submitted the PrimSynth paper, describing a multi-agent framework to discover, validate, and synthesize exploit primitives for Linux kernel memory-corruption vulnerabilities. The authors evaluated it on 16 real-world Linux kernel CVEs and reported a 100% primitive-match rate, with strategy synthesis rates of 82.4% with public proof-of-concept guidance and 61.3% without it.
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