Improper input validation in the System Management Mode (SMM) communications buffer could allow a privileged attacker to perform an out of bounds read or write to a limited section of the Top of Memory Segment (TSEG) memory region, potentially resulting in loss of confidentiality or integrity.
Metrics
Affected Vendors & Products
References
History
Wed, 20 May 2026 14:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Wed, 20 May 2026 11:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Amd
Amd epyc 4004 Amd epyc 4005 Amd ryzen 6000 Series Processors With Radeon Graphics 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 9000hx Series Mobile Processors Amd ryzen Ai 300 Series Processors Amd ryzen Al Max+ Amd ryzen Embedded 7000 Series Processors Amd ryzen Embedded 8000 Series Processors Amd ryzen Embedded 9000 Series Processors Amd ryzen Embedded V3000 Series Processors Amd ryzen Threadripper 7000 Processors Amd ryzen Threadripper Pro 7000 Wx-series Processors |
|
| Vendors & Products |
Amd
Amd epyc 4004 Amd epyc 4005 Amd ryzen 6000 Series Processors With Radeon Graphics 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 9000hx Series Mobile Processors Amd ryzen Ai 300 Series Processors Amd ryzen Al Max+ Amd ryzen Embedded 7000 Series Processors Amd ryzen Embedded 8000 Series Processors Amd ryzen Embedded 9000 Series Processors Amd ryzen Embedded V3000 Series Processors Amd ryzen Threadripper 7000 Processors Amd ryzen Threadripper Pro 7000 Wx-series Processors |
Tue, 19 May 2026 23:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Title | Out-of-Bounds Access in AMD System Management Mode Communication Buffer |
Tue, 19 May 2026 21:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Improper input validation in the System Management Mode (SMM) communications buffer could allow a privileged attacker to perform an out of bounds read or write to a limited section of the Top of Memory Segment (TSEG) memory region, potentially resulting in loss of confidentiality or integrity. | |
| Weaknesses | CWE-124 | |
| References |
| |
| Metrics |
cvssV4_0
|
Status: PUBLISHED
Assigner: AMD
Published:
Updated: 2026-05-20T13:46:23.737Z
Reserved: 2024-05-23T19:44:47.200Z
Link: CVE-2024-36343
Updated: 2026-05-20T13:46:18.360Z
Status : Awaiting Analysis
Published: 2026-05-19T22:16:35.420
Modified: 2026-05-20T14:04:24.967
Link: CVE-2024-36343
No data.
OpenCVE Enrichment
Updated: 2026-05-20T10:38:58Z