High severity · published May 9, 2023
CVE-2021-46765
Insufficient input validation in ASP may allow an attacker with a compromised SMM to induce out-of-bounds memory reads within the ASP, potentially leading to a denial of service
7.5
CVSS
0.6%
EPSS
No
On KEV
Description
Insufficient input validation in ASP may allow
an attacker with a compromised SMM to induce out-of-bounds memory reads within
the ASP, potentially leading to a denial of service.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 49% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
R3
Ryzen™ 3000 Series Mobile Processors with Radeon™ Graphics “Renoir” · AMD
various · source: vendor
R5
Ryzen™ 5000 Series Desktop processor with Radeon™ Graphics “Cezanne” AM4 · AMD
various · source: vendor
R5
Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics “Lucienne” · AMD
various · source: vendor
R5
Ryzen™ 5000 Series Mobile processors with Radeon™ Graphics “Cezanne” · AMD
various · source: vendor
R6
Ryzen™ 6000 Series Mobile Processors "Rembrandt" · AMD
various · source: vendor
R3
Ryzen 3100 Firmware · Amd
comboam4v2_pi_1.2.0.8; renoirpi-fp6_1.0.0.9 · source: NVD
R3
Ryzen 3300x Firmware · Amd
comboam4v2_pi_1.2.0.8; renoirpi-fp6_1.0.0.9 · source: NVD
R3
Ryzen 3500 Firmware · Amd
comboam4v2_pi_1.2.0.8; renoirpi-fp6_1.0.0.9 · source: NVD
R3
Ryzen 3500x Firmware · Amd
comboam4v2_pi_1.2.0.8; renoirpi-fp6_1.0.0.9 · source: NVD
R3
Ryzen 3600 Firmware · Amd
comboam4v2_pi_1.2.0.8; renoirpi-fp6_1.0.0.9 · source: NVD
R3
Ryzen 3600x Firmware · Amd
comboam4v2_pi_1.2.0.8; renoirpi-fp6_1.0.0.9 · source: NVD
R3
Ryzen 3600xt Firmware · Amd
comboam4v2_pi_1.2.0.8; renoirpi-fp6_1.0.0.9 · source: NVD
Affected product
R3
Ryzen™ 3000 Series Mobile Processors with Radeon™ Graphics “Renoir”
AMD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-46765
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-46765
Vendor Advisory
https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4001
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