Riot Games is making an anti-cheat change that could be rough on older PCs
Ars Technica • • technology
Key Points:
- Riot Games is introducing a new BIOS update requirement for certain Valorant players to address a UEFI bug affecting the input-output memory management unit (IOMMU) on some motherboards, which could allow cheaters to bypass memory protections.
- The vulnerability, impacting boards from ASRock, Asus, Gigabyte, and MSI, creates a window during boot where direct memory access (DMA) devices could manipulate system memory, undermining anti-cheat measures; patches have been released for many newer Intel 10th-gen and AMD Ryzen 7000 series chipsets.
- Currently, the BIOS update mandate applies only to "restricted" players whose systems resemble those used by cheaters, but Riot may extend it to top Valorant competitive tiers and possibly to
