All the vulnerabilites related to AMD - 2nd Gen AMD EPYC™ Processors
cve-2023-20533
Vulnerability from cvelistv5
Published
2023-11-14 18:52
Modified
2024-08-02 09:05
Severity
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-2021-26371
Vulnerability from cvelistv5
Published
2023-05-09 18:59
Modified
2024-08-03 20:26
Severity
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 |
| https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3001 | vendor-advisory |
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cve-2021-46756
Vulnerability from cvelistv5
Published
2023-05-09 19:00
Modified
2024-08-04 05:17
Severity
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
| 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-2021-46774
Vulnerability from cvelistv5
Published
2023-11-14 18:52
Modified
2024-08-04 05:17
Severity
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 |
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cve-2023-20592
Vulnerability from cvelistv5
Published
2023-11-14 18:54
Modified
2024-08-02 09:05
Severity
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-2022-27672
Vulnerability from cvelistv5
Published
2023-02-14 19:34
Modified
2024-08-03 05:32
Severity
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-2021-26406
Vulnerability from cvelistv5
Published
2023-05-09 18:59
Modified
2024-08-03 20:26
Severity
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-2023-20569
Vulnerability from cvelistv5
Published
2023-08-08 17:02
Modified
2024-08-02 09:05
Severity
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-2022-23829
Vulnerability from cvelistv5
Published
2024-06-18 19:01
Modified
2024-08-29 20:40
Severity
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-2023-20526
Vulnerability from cvelistv5
Published
2023-11-14 18:52
Modified
2024-08-02 09:05
Severity
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 |
| https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-5001 | vendor-advisory |
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cve-2023-20575
Vulnerability from cvelistv5
Published
2023-07-11 18:29
Modified
2024-08-02 09:05
Severity
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-2023-20593
Vulnerability from cvelistv5
Published
2023-07-24 19:38
Modified
2024-08-02 09:05
Severity
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-2023-20521
Vulnerability from cvelistv5
Published
2023-11-14 18:52
Modified
2024-08-02 09:05
Severity
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 |
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cve-2023-20587
Vulnerability from cvelistv5
Published
2024-02-13 19:31
Modified
2024-08-02 09:05
Severity
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 |
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cve-2021-26345
Vulnerability from cvelistv5
Published
2023-11-14 18:53
Modified
2024-08-03 20:26
Severity
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-2021-26354
Vulnerability from cvelistv5
Published
2023-05-09 18:58
Modified
2024-08-03 20:26
Severity
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-2023-31315
Vulnerability from cvelistv5
Published
2024-08-09 17:08
Modified
2024-09-12 12:56
Severity
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-2021-26356
Vulnerability from cvelistv5
Published
2023-05-09 18:58
Modified
2024-08-03 20:26
Severity
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 |
Impacted products
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},
"cveMetadata": {
"assignerOrgId": "b58fc414-a1e4-4f92-9d70-1add41838648",
"assignerShortName": "AMD",
"cveId": "CVE-2021-26356",
"datePublished": "2023-05-09T18:58:48.108Z",
"dateReserved": "2021-01-29T21:24:26.149Z",
"dateUpdated": "2024-08-03T20:26:24.804Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}