What’s Vulnerable › Vulnerabilities

CVE-2021-26363

• Severity: medium (CVSS 4.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-05-12 · updated 2026-06-17

Description

A malicious or compromised UApp or ABL could potentially change the value that the ASP uses for its reserved DRAM, to one outside of the fenced area, potentially leading to data exposure.

Affected products

• AMD Radeon Software: all versions
• AMD Ryzen 3 3100 Firmware: all versions
• AMD Ryzen 3 3300G Firmware: all versions
• AMD Ryzen 3 3300X Firmware: all versions
• AMD Ryzen 3 5125C Firmware: all versions
• AMD Ryzen 3 5400U Firmware: all versions
• AMD Ryzen 3 5425C Firmware: all versions
• AMD Ryzen 3 5425U Firmware: all versions
• AMD Ryzen 5 3400G Firmware: all versions
• AMD Ryzen 5 3450G Firmware: all versions
• AMD Ryzen 5 3600 Firmware: all versions
• AMD Ryzen 5 3600X Firmware: all versions
• AMD Ryzen 5 5560U Firmware: all versions
• AMD Ryzen 5 5600H Firmware: all versions
• AMD Ryzen 5 5600Hs Firmware: all versions
• AMD Ryzen 5 5600U Firmware: all versions
• AMD Ryzen 5 5600X Firmware: all versions
• AMD Ryzen 5 5625C Firmware: all versions
• AMD Ryzen 5 5625U Firmware: all versions
• AMD Ryzen 5 5700G Firmware: all versions
• AMD Ryzen 5 5700Ge Firmware: all versions
• AMD Ryzen 7 3700X Firmware: all versions
• AMD Ryzen 7 3800X Firmware: all versions
• AMD Ryzen 7 5800H Firmware: all versions
• AMD Ryzen 7 5800Hs Firmware: all versions
• AMD Ryzen 7 5800U Firmware: all versions
• AMD Ryzen 7 5825C Firmware: all versions
• AMD Ryzen 7 5825U Firmware: all versions
• AMD Ryzen 9 3900X Firmware: all versions
• AMD Ryzen 9 3950X Firmware: all versions

References

• https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1027
• https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1027

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