Upstream information

CVE-2022-24436 at MITRE

Description

Observable behavioral in power management throttling for some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via network access.

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
Access Vector Network
Access 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 [NEW]

Vendor Security Advisories:

No SUSE Security Announcements cross referenced.