AMD Ryzen, Gen AMD EPYC Processors information disclosure | CVE-2023-20593
NAME
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AMD Ryzen, Gen AMD EPYC Processors information disclosure
Platforms Affected:
AMD 2nd Generation EPYC
AMD Ryzen 3000 series Desktop processors
AMD Ryzen 4000 Series Desktop processors with Radeon graphics
AMD Ryzen 5000 Series Mobile Processors with Radeon Graphics
AMD Ryzen 4000 Series Mobile Processors with Radeon Graphics
AMD Ryzen 7020 Series Processors
AMD Ryzen Threadripper PRO 3000WX Series Processors
Risk Level:
6.5
Exploitability:
Unproven
Consequences:
Obtain Information
DESCRIPTION
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AMD Ryzen, Gen AMD EPYC Processors could allow a local attacker to obtain sensitive information, caused by the improper handling of an instruction called ‘vzeroupper’ during speculative execution. By sending a specially crafted request, an attacker could exploit this vulnerability to obtain sensitive data, such as passwords and encryption keys, at a rate of 30KB/sec from each CPU core.
CVSS 3.0 Information
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Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged
Access Vector:
Network
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