Summary: CacheWarp is a new flaw in AMD's Secure Encrypted Virtualization (SEV) technology that allows attackers to hijack encrypted virtual machines (VMs) and gain privileged access. The vulnerability was discovered by researchers from the CISPA Helmholtz Center for Information Security and the Graz University of Technology. The CacheWarp attack method allows malicious attackers to manipulate data modifications on a single-store granularity, leading to control flow manipulation and compromising the VM's security. The vulnerability affects various generations of AMD EPYC processors and a microcode update has been provided as a mitigation measure.

Hashtags: #CacheWarp #AMD #SEV #VirtualMachines #CyberSecurity

https://cybersecuritynews.com/cachewarp-a-new-flaw-in-amds-sev/