Medium severity · published Sep 29, 2022
CVE-2022-35888
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…
6.5
CVSS
0.7%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 53% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AA
Ampere Altra Firmware · Amperecomputing
through 2022-07-15 · source: NVD
AA
Ampere Altra Max Firmware · Amperecomputing
through 2022-07-15 · source: NVD
AF
Ampereone Firmware · Amperecomputing
through 2022-07-15 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-35888
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-35888
Vendor Advisory
https://amperecomputing.com/products/security-bulletins/hertzbleed.html
Technical Description
https://developer.arm.com/documentation/ka005111/1-0/?lang=en
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