CVE-2021-46758 - CVE House
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Status published Medium CVE-2021-46758

Insufficient validation of SPI flash addresses in the ASP (AMD...

Vulnerability Description

Insufficient validation of SPI flash addresses in the ASP (AMD Secure Processor) bootloader may allow an attacker to read data in memory mapped beyond SPI flash resulting in a potential loss of availability and integrity.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

Affected Vendor

Affected Software

Ryzen™ 5000 Series Desktop Processor with Radeon™ Graphics “Cezanne”, Ryzen™ 7000 Series Desktop Processors “Raphael” XD3, Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics “Renoir” FP6, Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics “Lucienne”, Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics “Cezanne”, AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics "Rembrandt", AMD Ryzen™ 7035 Series Processors with Radeon™ Graphics “Rembrandt-R”, AMD Ryzen™ 5000 Series Processors with Radeon™ Graphics “Barcelo”, AMD Ryzen™ 7030 Series Mobile Processors with Radeon™ Graphics “Barcelo-R”
Vulnerable Versions:
various

Timeline

Official Publish: November 14th, 2023
Last Modified: August 4th, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.