CVE-2022-37459: Amperecomputing Ampere Altra Firmware

High severity, CVSS 7.8. EPSS: 0.2% chance of exploitation in the next 30 days.

Ampere Altra devices before 1.08g and Ampere Altra Max devices before 2.05a allow attackers to control the predictions for return addresses and potentially hijack code flow to execute arbitrary code via a side-channel attack, aka a "Retbleed" issue.

Affected products

• Amperecomputing Ampere Altra Firmware: before 1.08g (fixed in 1.08g)
• Amperecomputing Ampere Altra Max Firmware: before 2.05a (fixed in 2.05a)

Published 2022-08-17. Last modified 2026-06-17.