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CVE-2022-22057

Status Candidate

Overview

Use after free in graphics fence due to a race condition while closing fence file descriptor and destroy graphics timeline simultaneously in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wearables

Related Files

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

Qualcomm kgsl driver use-after-free proof of concept exploit. The bug can be used to gain arbitrary kernel memory read and write from the untrusted app domain, which is then used to disable SELinux and gain root. The exploit is tested on the Samsung Galaxy Z Flip 3 (European version SM-F711B) with firmware version F711BXXS2BUL6, Baseband F711BXXU2BUL4 and Kernel version 5.4.86-qgki-23063627-abF711BXXS2BUL6 (EUX region).

tags | exploit, arbitrary, kernel, root, proof of concept
advisories | CVE-2022-22057
SHA-256 | 013038a08c172f14d7c3c6abb8e3556978d9037f5c5e575225e2ff3cf63e5655
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