Unverified50% confidenceFactExact time
When handling system calls, the kernel must strictly validate the parameters passed in by the user—including whether pointers point to user space, whether lengths are out of bounds, and whether permissions match. Once the validation logic of a system call has an oversight, a user-mode program may induce the kernel to perform privileged operations, thereby breaking through the boundary.
1
Sources
50%
Confidence
Long-term
Relevance
10/15/2026
First Seen
Sources
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