Vulnerabilities
Vulnerable Software
Amd:  >> Epyc 7261  Security Vulnerabilities
A TOCTOU (Time-Of-Check-Time-Of-Use) in SMM may allow an attacker with ring0 privileges and access to the BIOS menu or UEFI shell to modify the communications buffer potentially resulting in arbitrary code execution.
CVSS Score
7.5
EPSS Score
0.0
Published
2024-08-13
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.
CVSS Score
6.5
EPSS Score
0.001
Published
2023-11-14
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.
CVSS Score
3.3
EPSS Score
0.0
Published
2023-11-14
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.
CVSS Score
1.9
EPSS Score
0.001
Published
2023-11-14
Insufficient DRAM address validation in System Management Unit (SMU) may allow an attacker to read/write from/to an invalid DRAM address, potentially resulting in denial-of-service.
CVSS Score
6.7
EPSS Score
0.001
Published
2023-11-14
A division-by-zero error on some AMD processors can potentially return speculative data resulting in loss of confidentiality. 
CVSS Score
5.5
EPSS Score
0.0
Published
2023-08-08
A potential power side-channel vulnerability in AMD processors may allow an authenticated attacker to monitor the CPU power consumption as the data in a cache line changes over time potentially resulting in a leak of sensitive information.
CVSS Score
4.7
EPSS Score
0.0
Published
2023-08-01
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.
CVSS Score
9.1
EPSS Score
0.001
Published
2023-05-09
Improper access control settings in ASP Bootloader may allow an attacker to corrupt the return address causing a stack-based buffer overrun potentially leading to arbitrary code execution.
CVSS Score
9.8
EPSS Score
0.003
Published
2023-05-09
A TOCTOU in ASP bootloader may allow an attacker to tamper with the SPI ROM following data read to memory potentially resulting in S3 data corruption and information disclosure.
CVSS Score
7.4
EPSS Score
0.003
Published
2023-05-09


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