CVE-2021-26318

CVE-2021-26318 corresponds to a timing and power-based side-channel issue on some AMD CPUs that could potentially leak kernel address space information via the x86 PREFETCH instruction. Affected software/hardware: all AMD CPUs (per AMD: Side-channels Related to the x86 PREFETCH Instruction). Root...

Side-channels Related to the x86 PREFETCH Instruction

Bulletin ID: AMD-SB-1017 Potential Impact: Leaked kernel address space information Severity: Medium Summary Researchers from Graz University of Technology with CISPA Helmholtz Center for Information Security have demonstrated timing and power-based side channel attacks leveraging the x86 PREFETCH...