Amd: >> Epyc 7262 Security Vulnerabilities
Improper validation of the BIOS directory may allow for searches to read beyond the directory table copy in RAM, exposing out of bounds memory contents, resulting in a potential denial of service.
CVSS Score
5.5
EPSS Score
0.0
Published
2022-05-11
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
Insufficient validation of elliptic curve points in SEV-legacy firmware may compromise SEV-legacy guest migration potentially resulting in loss of guest's integrity or confidentiality.
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
AMD System Management Unit (SMU) may experience a heap-based overflow which may result in a loss of resources.
CVSS Score
5.5
EPSS Score
0.001
Published
2021-11-16
AMD System Management Unit (SMU) contains a potential issue where a malicious user may be able to manipulate mailbox entries leading to arbitrary code execution.
CVSS Score
7.8
EPSS Score
0.0
Published
2021-11-16
Improper input and range checking in the AMD Secure Processor (ASP) boot loader image header may allow an attacker to use attacker-controlled values prior to signature validation potentially resulting in arbitrary code execution.
CVSS Score
7.8
EPSS Score
0.001
Published
2021-11-16