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amd epyc 7251 - vulnerabilities and exploits

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6.5
CVSSv3

CVE-2023-20592

Improper or unexpected behavior of the INVD instruction in some AMD CPUs may allow an attacker with a malicious hypervisor to affect cache line write-back behavior of the CPU leading to a potential loss of guest virtual machine (VM) memory integrity.
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5.7
CVSSv3

CVE-2023-20521

TOCTOU in the ASP Bootloader may allow an attacker with physical access to tamper with SPI ROM records after memory content verification, potentially leading to loss of confidentiality or a denial of service.
Amd Epyc 7001 FirmwareAmd Epyc 7251 FirmwareAmd Epyc 7261 FirmwareAmd Epyc 7281 FirmwareAmd Epyc 7301 FirmwareAmd Epyc 7351 FirmwareAmd Epyc 7351p FirmwareAmd Epyc 7371 FirmwareAmd Epyc 7401 FirmwareAmd Epyc 7401p FirmwareAmd Epyc 7451 FirmwareAmd Epyc 7501 FirmwareAmd Epyc 7551 FirmwareAmd Epyc 7551p FirmwareAmd Epyc 7601 FirmwareAmd Epyc 7232p FirmwareAmd Epyc 7252 FirmwareAmd Epyc 7262 FirmwareAmd Epyc 7272 FirmwareAmd Epyc 7282 FirmwareAmd Epyc 7302 FirmwareAmd Epyc 7302p Firmware
4.6
CVSSv3

CVE-2023-20526

Insufficient input validation in the ASP Bootloader may enable a privileged attacker with physical access to expose the contents of ASP memory potentially leading to a loss of confidentiality.
Amd Epyc 7001 FirmwareAmd Epyc 7251 FirmwareAmd Epyc 7261 FirmwareAmd Epyc 7281 FirmwareAmd Epyc 7301 FirmwareAmd Epyc 7351 FirmwareAmd Epyc 7351p FirmwareAmd Epyc 7371 FirmwareAmd Epyc 7401 FirmwareAmd Epyc 7401p FirmwareAmd Epyc 7451 FirmwareAmd Epyc 7501 FirmwareAmd Epyc 7551 FirmwareAmd Epyc 7551p FirmwareAmd Epyc 7601 FirmwareAmd Epyc 7232p FirmwareAmd Epyc 7252 FirmwareAmd Epyc 7262 FirmwareAmd Epyc 7272 FirmwareAmd Epyc 7282 FirmwareAmd Epyc 7302 FirmwareAmd Epyc 7302p Firmware
7.5
CVSSv3

CVE-2021-46774

Insufficient DRAM address validation in System Management Unit (SMU) may allow an malicious user to read/write from/to an invalid DRAM address, potentially resulting in denial-of-service.
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5.5
CVSSv3

CVE-2023-20588

A division-by-zero error on some AMD processors can potentially return speculative data resulting in loss of confidentiality.
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6.5
CVSSv3

CVE-2023-20575

A potential power side-channel vulnerability in some AMD processors may allow an authenticated malicious user to use the power reporting functionality to monitor a program’s execution inside an AMD SEV VM potentially resulting in a leak of sensitive information.
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9.1
CVSSv3

CVE-2021-46756

Insufficient validation of inputs in SVC_MAP_USER_STACK in the ASP (AMD Secure Processor) bootloader may allow an attacker with a malicious Uapp or ABL to send malformed or invalid syscall to the bootloader resulting in a potential denial of service and loss of integrity.
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7.4
CVSSv3

CVE-2021-26356

A TOCTOU in ASP bootloader may allow an malicious user to tamper with the SPI ROM following data read to memory potentially resulting in S3 data corruption and information disclosure.
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5.5
CVSSv3

CVE-2021-26371

A compromised or malicious ABL or UApp could send a SHA256 system call to the bootloader, which may result in exposure of ASP memory to userspace, potentially leading to information disclosure.
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7.5
CVSSv3

CVE-2021-26406

Insufficient validation in parsing Owner's Certificate Authority (OCA) certificates in SEV (AMD Secure Encrypted Virtualization) and SEV-ES user application can lead to a host crash potentially resulting in denial of service.
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CVSSv3
CVSSv2
CVSSv3
VMScore
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