Critical severity · published May 9, 2023
CVE-2021-46753
Failure to validate the length fields of the ASP (AMD Secure Processor) sensor fusion hub headers may allow an attacker with a malicious Uapp or ABL to map the ASP sensor fusion…
9.1
CVSS
0.6%
EPSS
No
On KEV
Description
Failure to validate the length fields of the ASP
(AMD Secure Processor) sensor fusion hub headers may allow an attacker with a
malicious Uapp or ABL to map the ASP sensor fusion hub region and overwrite
data structures leading to a potential loss of confidentiality and integrity.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 46% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
A3
Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics “Pollock” · AMD
various · source: vendor
A3
Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics “Dali”/”Dali” ULP · AMD
various · source: vendor
R2
Ryzen™ 2000 Series Mobile Processors “Raven Ridge” FP5 · AMD
various · source: vendor
R2
Ryzen™ 2000 series Desktop Processors “Raven Ridge” AM4 · AMD
various · source: vendor
R3
Ryzen™ 3000 Series Mobile Processors with Radeon™ Graphics “Renoir” · AMD
various · source: vendor
R3
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
R1
Ryzen 1200 (af) Firmware · Amd
comboam4pi_1.0.0.9; comboam4v2_pi_1.2.0.8; pinnaclepi-am4_1.0.0.d; raven-fp5-am4_1.1.0.f · source: NVD
R1
Ryzen 1600 (af) Firmware · Amd
comboam4pi_1.0.0.9; comboam4v2_pi_1.2.0.8; pinnaclepi-am4_1.0.0.d; raven-fp5-am4_1.1.0.f · source: NVD
Affected product
A3
Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics “Pollock”
AMD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-46753
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-46753
Vendor Advisory
https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4001
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