Time to update microcode on your Intel processors (gen >9)...
New speculative prediction bug lets you capture /etc/shadow with 99% reliability. They didn't make anything like it work on AMD or ARM... yet...

Branch Privilege Injection: Exploiting Branch Predictor Race Conditions – Computer Security Group

Intel
INTEL-SA-01247
INTEL-SA-01247
GitHub
Release microcode-20250512 Release · intel/Intel-Linux-Processor-Microcode-Data-Files
Release Notes
microcode-20250512
Purpose
Security updates for INTEL-SA-01153
Security updates for INTEL-SA-01244
Security updates for INTEL-SA-012...



