4 matches found
CVE-2026-46076
In the Linux kernel, the following vulnerability has been resolved: KVM: nSVM: Raise UD if unhandled VMMCALL isn't intercepted by L1 Explicitly synthesize a UD for VMMCALL if L2 is active, L1 does NOT want to intercept VMMCALL, nestedsvml2tlbflushenabled is true, and the hypercall is something...
Apple Mac OSX Kernel - Null Pointer Dereference in AppleMuxControl.kext
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...
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 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...