gvcidrv64

hi hackers. GVCIDrv64.sys is the signed kernel driver that ships with Gigabyte's BIOS utility. It creates \.\GVCIDrv64 with no security descriptor, so any local user can open it no admin, no UAC. It exposes 3 IOCTLs with zero access control: map 32 MB of physical memory 0x9C406580, unmap...

CVE-2026-90315 PCI/sysfs: Add lockdown checks to legacy I/O and memory handlers

In the Linux kernel, the following vulnerability has been resolved: PCI/sysfs: Add lockdown checks to legacy I/O and memory handlers Currently, the legacy I/O and memory sysfs handlers do not check securitylockeddownLOCKDOWNPCIACCESS, leaving the legacyio and legacymem files unprotected when the...

CVE-2026-80117 PassMark PerformanceTest, BurnInTest, and OSForensics Arbitrary I/O Port Access via DirectIo64.sys

PassMark PerformanceTest before 11.1 build 1012, BurnInTest before 11.1 build 1000, and OSForensics before 11.1 build 1016 contain a privilege escalation vulnerability in DirectIo64.sys that allows local users to issue arbitrary IN and OUT instructions to any x86 I/O port due to missing allowlist...