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Vulnerability record · CVE-2022-35888 · published 29 September 2022

CVE-2022-35888: Amperecomputing ampere altra max firmware observable discrepancy vulnerability

Amperecomputing · Ampere Altra Max Firmware

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.

6.5 CVSS 3.1 Medium EPSS 0.70% · top 48.9% CWE-203 · Observable discrepancy
6.5CVSS 3.1 base score
0.70%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://amperecomputing.com/products/security-bulletins/hertzbleed.html Vendor Advisory
https://developer.arm.com/documentation/ka005111/1-0/?lang=en Technical DescriptionThird Party Advisory
https://amperecomputing.com/products/security-bulletins/hertzbleed.html Vendor Advisory
https://developer.arm.com/documentation/ka005111/1-0/?lang=en Technical DescriptionThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2022-35888), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.