Upstream information

CVE-2022-23823 at MITRE

Description

A potential vulnerability in some AMD processors using frequency scaling may allow an authenticated attacker to execute a timing attack to potentially enable information disclosure.

Upstream Security Advisories:

SUSE information

Overall state of this security issue: Does not affect SUSE products

This issue is currently rated as having moderate severity.

CVSS v2 Scores
  National Vulnerability Database
Base Score 4
Vector AV:N/AC:L/Au:S/C:P/I:N/A:N
Access Vector Network
Access Complexity Low
Authentication Single
Confidentiality Impact Partial
Integrity Impact None
Availability Impact None
CVSS v3 Scores
  National Vulnerability Database
Base Score 6.5
Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact None
Availability Impact None
CVSSv3 Version 3.1

Note from the SUSE Security Team

This attack exploits frequency scaling in modern CPUs even when operating code that was supposed constant time. To mitigate this, cryptographic code will need to be adapted to also include frequency scaling aspects additional to other constant time constraints.

SUSE Bugzilla entry: 1200535 [RESOLVED / INVALID]

No SUSE Security Announcements cross referenced.


SUSE Timeline for this CVE

CVE page created: Tue Jun 14 21:15:04 2022
CVE page last modified: Mon May 6 16:34:08 2024