Multiple AMD chipsets security bypass | CVE-2021-26354
NAME
__________
Multiple AMD chipsets security bypass
Platforms Affected:
AMD Ryzen 1000 series Processor
AMD 1st Generation EPYC
AMD Athlon 3000 Series
AMD Ryzen 2000 Series processors
AMD Ryzen Threadripper 2nd gen processors
AMD Ryzen 3000 Series Mobile Processors with Radeon Graphics
AMD Ryzen 5000 Series Mobile Processors with Radeon Graphics
Risk Level:
6.2
Exploitability:
Unproven
Consequences:
Bypass Security
DESCRIPTION
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Multiple AMD chipsets could allow a local attacker to bypass security restrictions, caused by improper bounds checking in ASP. By sending a specially-crafted request using a system call from a compromised ABL, an attacker could exploit this vulnerability to cause arbitrary memory values to be initialized to zero.
CVSS 3.0 Information
__________
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged
Access Vector:
Local
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