Amd: >> Epyc 7h12 Firmware Security Vulnerabilities
Improper validation of destination address in SVC_LOAD_FW_IMAGE_BY_INSTANCE and SVC_LOAD_BINARY_BY_ATTRIB in a malicious UApp or ABL may allow an attacker to overwrite arbitrary bootloader memory with SPI ROM contents resulting in a loss of integrity and availability.
CVSS Score
7.1
EPSS Score
0.001
Published
2022-05-10
LFENCE/JMP (mitigation V2-2) may not sufficiently mitigate CVE-2017-5715 on some AMD CPUs.
CVSS Score
5.6
EPSS Score
0.001
Published
2022-03-11
Some AMD CPUs may transiently execute beyond unconditional direct branches, which may potentially result in data leakage.
CVSS Score
6.5
EPSS Score
0.001
Published
2022-03-11
AMD EPYC™ Processors contain an information disclosure vulnerability in the Secure Encrypted Virtualization with Encrypted State (SEV-ES) and Secure Encrypted Virtualization with Secure Nested Paging (SEV-SNP). A local authenticated attacker could potentially exploit this vulnerability leading to leaking guest data by the malicious hypervisor.
CVSS Score
5.5
EPSS Score
0.001
Published
2022-02-04
A malicious hypervisor in conjunction with an unprivileged attacker process inside an SEV/SEV-ES guest VM may fail to flush the Translation Lookaside Buffer (TLB) resulting in unexpected behavior inside the virtual machine (VM).
CVSS Score
8.4
EPSS Score
0.001
Published
2021-12-10
Insufficient validation of BIOS image length by ASP Firmware could lead to arbitrary code execution.
CVSS Score
7.8
EPSS Score
0.001
Published
2021-11-16
Insufficient input validation in ASP firmware for discrete TPM commands could allow a potential loss of integrity and denial of service.
CVSS Score
7.1
EPSS Score
0.001
Published
2021-11-16
Insufficient validation of the AMD SEV Signing Key (ASK) in the SEND_START command in the SEV Firmware may allow a local authenticated attacker to perform a denial of service of the PSP
CVSS Score
5.5
EPSS Score
0.0
Published
2021-11-16
Insufficient ID command validation in the SEV Firmware may allow a local authenticated attacker to perform a denial of service of the PSP.
CVSS Score
5.5
EPSS Score
0.001
Published
2021-11-16
Failure to flush the Translation Lookaside Buffer (TLB) of the I/O memory management unit (IOMMU) may lead an IO device to write to memory it should not be able to access, resulting in a potential loss of integrity.
CVSS Score
5.5
EPSS Score
0.0
Published
2021-11-16