CVE-2021-26318: Side-channels Related to the x86 PREFETCH Instruction
First published: Wed Oct 13 2021(Updated: )
A timing and power-based side channel attack leveraging the x86 PREFETCH instructions on some AMD CPUs could potentially result in leaked kernel address space information.
Credit: psirt@amd.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Amd Athlon Firmware | ||
| Amd Athlon | ||
| Amd Athlon Pro Firmware | ||
| Amd Athlon Pro | ||
| Amd Epyc Firmware | ||
| Amd Epyc | ||
| Amd Ryzen Firmware | ||
| AMD Ryzen | ||
| Amd Ryzen Pro Firmware | ||
| Amd Ryzen Pro |
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