CVE-2026-19947 Missing kernel object permission check in devmux syscalls allows unprivileged user threads to retarget a device multiplexer

The device multiplexer pseudo-driver in drivers/misc/devmux/devmux.c exposes two system calls, devmuxselectget and devmuxselectset. When CONFIGUSERSPACE is enabled, their user-mode verifiers zvrfydevmuxselectget and zvrfydevmuxselectset forwarded directly to the kernel implementations without...

CVE-2026-19595

The user-mode syscall verifier zvrfyrtiocqegetmempoolbuffer in subsys/rtio/rtiosyscalls.c validated its two output parameters, buff and bufflen, with KSYSCALLMEMORYREAD rather than KSYSCALLMEMORYWRITE. Both are pure out-parameters: zimplrtiocqegetmempoolbuffer stores the mempool buffer address an...

evil-mhyprot-cli

evil-mhyprot-cli Una PoC per il driver vulnerabile Mhyprot2.sys che consente la lettura/scrittura della memoria in kernel/user tramite un processo utente non privilegiato. libmhyprot Wiki Panoramica Cosa possiamo fare con questa CLI è il seguente: Leggere/Scrivere qualsiasi memoria del kernel con...

CVE-2024-36054

Hw64.sys in Marvin Test HW.exe before 5.0.5.0 allows unprivileged user-mode processes to arbitrarily read kernel memory and consequently gain all privileges via IOCTL 0x9c4064b8 via MmMapIoSpace and IOCTL 0x9c406490 via ZwMapViewOfSection...

CVE-2024-36055

Hw64.sys in Marvin Test HW.exe before 5.0.5.0 allows unprivileged user-mode processes to arbitrarily map physical memory with read/write access via the MmMapIoSpace API IOCTL 0x9c40a4f8, 0x9c40a4e8, 0x9c40a4c0, 0x9c40a4c4, 0x9c40a4ec, and seven others, leading to a denial of service BSOD...

CVE-2024-36056

The Hw64.sys driver within Marvin Test HW.exe (versions prior to 5.0.5.0 ) contains a vulnerability that allows unprivileged user-mode processes to arbitrarily map physical memory. This is caused by the improper handling of IOCTL 0x9c406490 , specifically involving the functions IoAllocateMdl , M...