Speculative Execution Bypass via Improper LFENCE Enforcement Leading to Potential Data Disclosure
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| AMD | AMD EPYC™ Series 9004 Processors | affected |
|
||||||||||||
| AMD | AMD EPYC™Series 4004 Processors | affected |
|
||||||||||||
| AMD | AMD EPYC™ 8004 Series Processors | affected |
|
||||||||||||
| AMD | AMD Instinct™ MI300A Series Processors | affected |
|
||||||||||||
| AMD | AMD Ryzen™ Z1 Series Processors | affected |
|
||||||||||||
| AMD | AMD Ryzen™ 7040 Series Mobile Processors with Radeon™ Graphics | affected |
|
||||||||||||
| AMD | AMD Ryzen™ 7045 Series Mobile Processors with Radeon™ Graphics | affected |
|
||||||||||||
| AMD | AMD Ryzen™ 9000 Series Desktop Processors | affected |
|
||||||||||||
| AMD | AMD Ryzen™ 7000 Series Desktop Processors | affected |
|
||||||||||||
| AMD | AMD Ryzen™ 8000 Series Desktop Processors | affected |
|
||||||||||||
| AMD | AMD Ryzen™ 7000 Series Desktop Processors (formerly codenamed "Raphael") | affected |
|
||||||||||||
| AMD | AMD Ryzen™ 8000 Series Desktop Processors (formerly codenamed "Phoenix") | affected |
|
||||||||||||
| AMD | AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed "Genoa") | affected |
|
||||||||||||
| AMD | AMD EPYC™ Embedded 8004 Series Processors | affected |
|
||||||||||||
| AMD | AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed "Bergamo") | affected |
|
||||||||||||
| AMD | AMD Ryzen™ Embedded 8000 Series Processors | affected |
|
||||||||||||
| AMD | AMD Ryzen™ Embedded 7000 Series Processors | affected |
|
No data.
No data.
| Vendor | Product | Versions | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Amd | Epyc 4004 Series Processors |
|
||||||||
| Amd | Epyc 8004 Series Processors |
|
||||||||
| Amd | Epyc 9004 Series Processors |
|
||||||||
| Amd | Epyc Embedded 8004 Series Processors |
|
||||||||
| Amd | Epyc Embedded 9004 Series Processors |
|
||||||||
| Amd | Instinct Mi300a Series Processors |
|
||||||||
| Amd | Ryzen 7000 Series Desktop Processors |
|
||||||||
| Amd | Ryzen 7000 Series Desktop Processors |
|
||||||||
| Amd | Ryzen 7040 Series Mobile Processors With Radeon Graphics |
|
||||||||
| Amd | Ryzen 7045 Series Mobile Processors With Radeon Graphics |
|
||||||||
| Amd | Ryzen 8000 Series Desktop Processors |
|
||||||||
| Amd | Ryzen 8000 Series Desktop Processors |
|
||||||||
| Amd | Ryzen 9000 Series Desktop Processors |
|
||||||||
| Amd | Ryzen Embedded 7000 Series Processors |
|
||||||||
| Amd | Ryzen Embedded 8000 Series Processors |
|
||||||||
| Amd | Ryzen Z1 Series Processors |
|
No CVSS v3.1
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.135% probability within 30 days)
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Amd
Amd epyc 4004 Series Processors Amd epyc 8004 Series Processors Amd epyc 9004 Series Processors Amd epyc Embedded 8004 Series Processors Amd epyc Embedded 9004 Series Processors Amd instinct Mi300a Series Processors Amd ryzen 7000 Series Desktop Processors Amd ryzen 7040 Series Mobile Processors With Radeon Graphics Amd ryzen 7045 Series Mobile Processors With Radeon Graphics Amd ryzen 8000 Series Desktop Processors Amd ryzen 9000 Series Desktop Processors Amd ryzen Embedded 7000 Series Processors Amd ryzen Embedded 8000 Series Processors Amd ryzen Z1 Series Processors |
|
| Vendors & Products |
Amd
Amd epyc 4004 Series Processors Amd epyc 8004 Series Processors Amd epyc 9004 Series Processors Amd epyc Embedded 8004 Series Processors Amd epyc Embedded 9004 Series Processors Amd instinct Mi300a Series Processors Amd ryzen 7000 Series Desktop Processors Amd ryzen 7040 Series Mobile Processors With Radeon Graphics Amd ryzen 7045 Series Mobile Processors With Radeon Graphics Amd ryzen 8000 Series Desktop Processors Amd ryzen 9000 Series Desktop Processors Amd ryzen Embedded 7000 Series Processors Amd ryzen Embedded 8000 Series Processors Amd ryzen Z1 Series Processors |
| Type | Values Removed | Values Added |
|---|---|---|
| Title | Speculative Execution Bypass via Improper LFENCE Enforcement Leading to Potential Data Disclosure |
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Improper enforcement of the LFENCE serialization property may allow an attacker to bypass speculation barriers and potentially disclose sensitive information, potentially resulting in loss of confidentiality. | |
| Weaknesses | CWE-693 | |
| References |
| |
| Metrics |
cvssV4_0
|