Qualcomm QAIC Kernel Driver Page Use-After-Free: From Stale Mmap to Pipe-Buffer-Backed Kernel R/W (Walk-through of Lukas Maar’s Linux v6.18 Exploit)
Original text: “Privilege Escalation via a Page Use-After-Free in Qualcomm’s AI Accelerator Linux Kernel Driver” — Lukas Maar, Security Blog (23 May 2026). Code blocks and figures below are reproduced verbatim with attribution captions.
Executive Summary
Lukas Maar’s post writes up a clean page-level use-after-free in the upstream drivers/accel/qaic Linux kernel driver. The bug is…
https://core-jmp.org/2026/06/qualcomm-qaic-kernel-driver-page-uaf-pipe-buffer-kernel-rw-lukas-maar/
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