CVE-2022-35888: Amperecomputing Ampere Altra Firmware

Medium severity, CVSS 6.5. EPSS: 0.7% chance of exploitation in the next 30 days.

Ampere Altra and Ampere Altra Max devices through 2022-07-15 allow attacks via Hertzbleed, which is a power side-channel attack that extracts secret information from the CPU by correlating the power consumption with data being processed on the system.

Affected products

• Amperecomputing Ampere Altra Firmware: up to and including 2022-07-15
• Amperecomputing Ampere Altra Max Firmware: up to and including 2022-07-15
• Amperecomputing Ampereone Firmware: up to and including 2022-07-15

Published 2022-09-29. Last modified 2026-06-17.