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CVE-2020-11239

Status Candidate

Overview

Use after free issue when importing a DMA buffer by using the CPU address of the buffer due to attachment is not cleaned up properly in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables

Related Files

Qualcomm kgsl Driver Use-After-Free
Posted Jun 11, 2023
Authored by Man Yue Mo, GitHub Security Lab

Qualcomm kgsel driver proof of concept use-after-free exploit. The bug can be used to gain arbitrary kernel code execution, read and write from the untrusted app domain. The exploit is tested on Samsung Galaxy A71 with firmware version A715FXXU3ATJ2, Baseband A715FXXU3ATI5 and Kernel version 4.14.117-19828683.

tags | exploit, arbitrary, kernel, code execution, proof of concept
advisories | CVE-2020-11239
SHA-256 | b38ccffb8c90b392f46848fba04831d2ef7063a8f36bb2c4835fd662f0d5379e
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