macOS #Kernel - Use-After-Free Due to Lack of Locking in nvidia GeForce Driver Exploit

Exploit for macOS platform in category dos / poc / nvDevice::SetAppSupportBits is external method 0x107 of the nvAccelerator IOService. It calls taskdeallocate without locking. Two threads can race calling this external method to drop two task references when only one is held. Note that the repro...

Apple macOS Kernel - Use-After-Free Due to Lack of Locking in nvidia GeForce Driver

/ nvDevice::SetAppSupportBits is external method 0x107 of the nvAccelerator IOService. It calls taskdeallocate without locking. Two threads can race calling this external method to drop two task references when only one is held. Note that the repro forks a child which give the nvAccelerator a...

Apple Mac OSX - Kernel Unchecked Array Index Used to Read Object Pointer Then Call Virtual Method in

Exploit for macOS platform in category dos / poc / Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=709 nvDevice::ReleaseDeviceTexture is external method 0x10a of userclient 5 of the geforce IOAccelerator. It takes a single uint argument text:000000000001BCD2 mov r14d, esi...

Apple Mac OSX Kernel - Unchecked Array Index Used to Read Object Pointer Then Call Virtual Method in Nvidia Geforce Driver

/ Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=709 nvDevice::ReleaseDeviceTexture is external method 0x10a of userclient 5 of the geforce IOAccelerator. It takes a single uint argument text:000000000001BCD2 mov r14d, esi ... text:000000000001BD08 and r14d, 7FFFFFFFh -- clear...