Linux Kernel 4.10.5 4.14.3 (Ubuntu) - DCCP Socket Use-After-Free

Linux Kernel 4.10.5 4.14.3 Ubuntu - DCCP Socket Use-After-Free / This is an announcement for CVE-2017-8824 which is a use-after-free vulnerability I found in Linux DCCP socket. It can be used to gain kernel code execution from unprivileged processes. You’ll find in attachment the proof of concept...

Linux Kernel 4.10.5 / < 4.14.3 (Ubuntu) - DCCP Socket Use-After-Free

/ This is an announcement for CVE-2017-8824 which is a use-after-free vulnerability I found in Linux DCCP socket. It can be used to gain kernel code execution from unprivileged processes. You’ll find in attachment the proof of concept code and the kernel panic log. BUG DETAILS When a socket sock...

Apple Mac OSX - Kernel Exploitable Null Pointer Dereference in AppleGraphicsDeviceControl

Exploit for macOS platform in category dos / poc / Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=782 AppleGraphicsDeviceControlClient doesn't check that its pointer to its IOService at this+0xd8 is non-null before using it in all external methods. We can set this pointer to NU...

Apple Mac OSX Kernel - Null Pointer Dereference in AppleGraphicsDeviceControl

/ Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=782 AppleGraphicsDeviceControlClient doesn't check that its pointer to its IOService at this+0xd8 is non-null before using it in all external methods. We can set this pointer to NULL by racing two threads, one of which calls...

Apple Mac OSX Kernel - Null Pointer Dereference in nvCommandQueue::GetHandleIndex in GeForce.kext

/ Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=784 The method nvCommandQueue::GetHandleIndex doesn't check whether this+0x5b8 is non-null before using it. We can race a call to this method this with another thread calling IOServiceClose to get a NULL pointer there. By mapping...

Apple Mac OSX Kernel - Null Pointer Dereference in AppleMuxControl.kext

/ Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=783 The method AppleGraphicsControlClient::checkArguments does actually appear to test whether the pointer at this+0xd8 is non-null, but uses it anyway : We can race external methods which call this with another thread calling...