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Published: 04/03/2024 Updated: 04/03/2024

Use After Free vulnerability in Arm Ltd Midgard GPU Kernel Driver, Arm Ltd Bifrost GPU Kernel Driver, Arm Ltd Valhall GPU Kernel Driver, Arm Ltd Arm 5th Gen GPU Architecture Kernel Driver allows a local non-privileged user to exploit a software race condition to perform improper memory processing operations. If the system’s memory is carefully prepared by the user, then this in turn cause a use-after-free.This issue affects Midgard GPU Kernel Driver: from r13p0 through r32p0; Bifrost GPU Kernel Driver: from r11p0 through r25p0; Valhall GPU Kernel Driver: from r19p0 through r25p0, from r29p0 through r46p0; Arm 5th Gen GPU Architecture Kernel Driver: from r41p0 through r46p0.

Exploit for CVE-2023-6241 The write up can be found here This is a bug in the Arm Mali kernel driver that I reported in November 2023 The bug can be used to gain arbitrary kernel code execution from the untrusted app domain, which is then used to disable SELinux and gain root The exploit is tested on the Google Pixel 8 with the Novmember 2023 patch (UD1A231105004) It need

https://developer.arm.com/Arm%20Security%20Center/Mali%20GPU%20Driver%20Vulnerabilities https://nvd.nist.gov https://github.com/SmileTabLabo/CVE-2023-6241

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