Upstream information
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:
- https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1038
- https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00698.html
SUSE information
Overall state of this security issue: Does not affect SUSE products
This issue is currently rated as having moderate severity.
| 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 |
| 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 2022CVE page last modified: Mon May 6 16:34:08 2024