All the vulnerabilites related to AMD - 2nd Gen AMD EPYC™ Processors
cve-2023-20521
Vulnerability from cvelistv5
Published
2023-11-14 18:52
Modified
2024-08-02 09:05
Severity ?
EPSS score ?
Summary
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.
References
| ▼ | URL | Tags |
|---|---|---|
| https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4002 | vendor-advisory | |
| https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3002 | vendor-advisory | |
| https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-5001 | vendor-advisory |
Impacted products
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cve-2021-46774
Vulnerability from cvelistv5
Published
2023-11-14 18:52
Modified
2024-10-11 18:07
Severity ?
EPSS score ?
Summary
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.
References
| ▼ | URL | Tags |
|---|---|---|
| https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4002 | vendor-advisory | |
| https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3002 | vendor-advisory | |
| https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-5001 | vendor-advisory |
Impacted products
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cve-2023-20593
Vulnerability from cvelistv5
Published
2023-07-24 19:38
Modified
2024-11-19 16:08
Severity ?
EPSS score ?
Summary
An issue in “Zen 2” CPUs, under specific microarchitectural circumstances, may allow an attacker to potentially access sensitive information.
References
Impacted products
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cve-2021-26354
Vulnerability from cvelistv5
Published
2023-05-09 18:58
Modified
2024-08-03 20:26
Severity ?
EPSS score ?
Summary
Insufficient bounds checking in ASP may allow an
attacker to issue a system call from a compromised ABL which may cause
arbitrary memory values to be initialized to zero, potentially leading to a
loss of integrity.
References
| ▼ | URL | Tags |
|---|---|---|
| https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4001 | vendor-advisory | |
| https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3001 | vendor-advisory |
Impacted products
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cve-2022-23829
Vulnerability from cvelistv5
Published
2024-06-18 19:01
Modified
2024-08-29 20:40
Severity ?
EPSS score ?
Summary
A potential weakness in AMD SPI protection features may allow a malicious attacker with Ring0 (kernel mode) access to bypass the native System Management Mode (SMM) ROM protections.
References
Impacted products
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cve-2023-31315
Vulnerability from cvelistv5
Published
2024-08-09 17:08
Modified
2024-09-12 12:56
Severity ?
EPSS score ?
Summary
Improper validation in a model specific register (MSR) could allow a malicious program with ring0 access to modify SMM configuration while SMI lock is enabled, potentially leading to arbitrary code execution.
References
| ▼ | URL | Tags |
|---|---|---|
| https://www.amd.com/en/resources/product-security/bulletin/amd-sb-7014.html | vendor-advisory |
Impacted products
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cve-2023-20569
Vulnerability from cvelistv5
Published
2023-08-08 17:02
Modified
2024-09-23 03:18
Severity ?
EPSS score ?
Summary
A side channel vulnerability on some of the AMD CPUs may allow an attacker to influence the return address prediction. This may result in speculative execution at an attacker-controlled address, potentially leading to information disclosure.
References
Impacted products
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cve-2021-26356
Vulnerability from cvelistv5
Published
2023-05-09 18:58
Modified
2024-08-03 20:26
Severity ?
EPSS score ?
Summary
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.
References
| ▼ | URL | Tags |
|---|---|---|
| https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4001 | vendor-advisory | |
| https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3001 | vendor-advisory |
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cve-2023-20526
Vulnerability from cvelistv5
Published
2023-11-14 18:52
Modified
2024-08-02 09:05
Severity ?
EPSS score ?
Summary
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.
References
| ▼ | URL | Tags |
|---|---|---|
| https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4002 | vendor-advisory | |
| https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3002 | vendor-advisory | |
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Impacted products
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cve-2021-26371
Vulnerability from cvelistv5
Published
2023-05-09 18:59
Modified
2024-08-03 20:26
Severity ?
EPSS score ?
Summary
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.
References
| ▼ | URL | Tags |
|---|---|---|
| https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4001 | vendor-advisory | |
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Impacted products
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cve-2023-20575
Vulnerability from cvelistv5
Published
2023-07-11 18:29
Modified
2024-08-02 09:05
Severity ?
EPSS score ?
Summary
A potential power side-channel vulnerability in some AMD processors may allow an authenticated attacker 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.
References
| ▼ | URL | Tags |
|---|---|---|
| https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3004 | vendor-advisory |
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cve-2021-26345
Vulnerability from cvelistv5
Published
2023-11-14 18:53
Modified
2024-08-03 20:26
Severity ?
EPSS score ?
Summary
Failure to validate the value in APCB may allow a privileged attacker to tamper with the APCB token to force an out-of-bounds memory read potentially resulting in a denial of service.
References
Impacted products
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cve-2023-20587
Vulnerability from cvelistv5
Published
2024-02-13 19:31
Modified
2024-08-02 09:05
Severity ?
EPSS score ?
Summary
Improper
Access Control in System Management Mode (SMM) may allow an attacker access to
the SPI flash potentially leading to arbitrary code execution.
References
| ▼ | URL | Tags |
|---|---|---|
| https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-7009 | vendor-advisory |
Impacted products
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cve-2023-20592
Vulnerability from cvelistv5
Published
2023-11-14 18:54
Modified
2024-10-11 18:07
Severity ?
EPSS score ?
Summary
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.
References
| ▼ | URL | Tags |
|---|---|---|
| https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3005 | vendor-advisory |
Impacted products
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cve-2021-26406
Vulnerability from cvelistv5
Published
2023-05-09 18:59
Modified
2024-08-03 20:26
Severity ?
EPSS score ?
Summary
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.
References
| ▼ | URL | Tags |
|---|---|---|
| https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4001 | vendor-advisory | |
| https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3001 | vendor-advisory |
Impacted products
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cve-2022-27672
Vulnerability from cvelistv5
Published
2023-02-14 19:34
Modified
2024-08-03 05:32
Severity ?
EPSS score ?
Summary
When SMT is enabled, certain AMD processors may speculatively execute instructions using a target
from the sibling thread after an SMT mode switch potentially resulting in information disclosure.
References
Impacted products
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cve-2021-46756
Vulnerability from cvelistv5
Published
2023-05-09 19:00
Modified
2024-08-04 05:17
Severity ?
EPSS score ?
Summary
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.
References
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| https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3001 | vendor-advisory |
Impacted products
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cve-2023-20533
Vulnerability from cvelistv5
Published
2023-11-14 18:52
Modified
2024-08-02 09:05
Severity ?
EPSS score ?
Summary
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.
References
| ▼ | URL | Tags |
|---|---|---|
| https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4002 | vendor-advisory | |
| https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3002 | vendor-advisory | |
| https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-5001 | vendor-advisory |
Impacted products
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