All the vulnerabilites related to AMD - 4th Gen AMD EPYC™ Processors
cve-2021-46766
Vulnerability from cvelistv5
Published
2023-11-14 18:51
Modified
2024-08-04 05:17
Summary
Improper clearing of sensitive data in the ASP Bootloader may expose secret keys to a privileged attacker accessing ASP SRAM, potentially leading to a loss of confidentiality.
Show details on NVD website


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cve-2023-20519
Vulnerability from cvelistv5
Published
2023-11-14 18:53
Modified
2024-08-30 18:03
Severity ?
Summary
A Use-After-Free vulnerability in the management of an SNP guest context page may allow a malicious hypervisor to masquerade as the guest's migration agent resulting in a potential loss of guest integrity.
Show details on NVD website


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cve-2023-31347
Vulnerability from cvelistv5
Published
2024-02-13 19:18
Modified
2024-08-16 19:51
Severity ?
Summary
Due to a code bug in Secure_TSC, SEV firmware may allow an attacker with high privileges to cause a guest to observe an incorrect TSC when Secure TSC is enabled potentially resulting in a loss of guest integrity.  
Show details on NVD website


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cve-2023-20573
Vulnerability from cvelistv5
Published
2024-01-11 13:53
Modified
2024-08-02 09:05
Severity ?
Summary
Debug Exception Delivery in Secure Nested Paging
Show details on NVD website


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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.
Show details on NVD website


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cve-2023-31315
Vulnerability from cvelistv5
Published
2024-08-09 17:08
Modified
2024-09-12 12:56
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.
Impacted products
AMD3rd Gen AMD EPYC™ Processors
AMD1st Gen AMD EPYC™ Processors
AMD2nd Gen AMD EPYC™ Processors
AMD4th Gen AMD EPYC™ Processors
AMDAMD EPYC™ Embedded 3000
AMDAMD EPYC™ Embedded 7002
AMDAMD EPYC™ Embedded 7003
AMDAMD EPYC™ Embedded 9003
AMDAMD Ryzen™ Embedded R1000
AMDAMD Ryzen™ Embedded R2000
AMDAMD Ryzen™ Embedded 5000
AMDAMD Ryzen™ Embedded 7000
AMDAMD Ryzen™ Embedded V1000
AMDAMD Ryzen™ Embedded V2000
AMDAMD Ryzen™ Embedded V3000
AMDAMD Ryzen™ 3000 Series Desktop Processors
AMDAMD Ryzen™ 5000 Series Desktop Processors
AMDAMD Ryzen™ 5000 Series Desktop processor with Radeon™ Graphics
AMDAMD Ryzen™ 7000 Series Desktop Processors
AMDAMD Ryzen™ 4000 Series Desktop Processors with Radeon™ Graphics
AMDAMD Ryzen™ Threadripper™ 3000 Series Processors
AMDAMD Ryzen™ Threadripper™ PRO Processors
AMDAMD Ryzen™ Threadripper™ PRO 3000WX Series Processors
AMDAMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics
AMDAMD Ryzen™ 3000 Series Mobile Processor with Radeon™ Graphics
AMDAMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics
AMDAMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics
AMDAMD Ryzen™ 7030 Series Mobile Processors with Radeon™ Graphics
AMDAMD Ryzen™ 7040 Series Mobile Processors with Radeon™ Graphics
AMDAMD Ryzen™ 7045 Series Mobile Processors
AMDAMD Ryzen™ 6000 Series Processors with Radeon™ Graphics
AMDAMD Ryzen™ 7020 Series Processors with Radeon™ Graphics
AMDAMD Ryzen™ 7035 Series Processors with Radeon™ Graphics
AMDAMD Ryzen™ 8000 Series Processors with Radeon™ Graphics
Show details on NVD website


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            "url": "https://media.defcon.org/DEF%20CON%2032/DEF%20CON%2032%20presentations/DEF%20CON%2032%20-%20Enrique%20Nissim%20Krzysztof%20Okupski%20-%20AMD%20Sinkclose%20Universal%20Ring-2%20Privilege%20Escalation.pdf"
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              "attackVector": "ADJACENT_NETWORK",
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              "baseScore": 6.8,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "LOW",
              "integrityImpact": "HIGH",
              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2023-31315",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-08-09T17:29:59.373286Z",
                "version": "2.0.3"
              },
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                "description": "CWE-94 Improper Control of Generation of Code (\u0027Code Injection\u0027)",
                "lang": "en",
                "type": "CWE"
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          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
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        "title": "CISA ADP Vulnrichment"
      }
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cve-2021-46774
Vulnerability from cvelistv5
Published
2023-11-14 18:52
Modified
2024-10-11 18:07
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.
Show details on NVD website


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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.
Show details on NVD website


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cve-2024-21978
Vulnerability from cvelistv5
Published
2024-08-05 16:05
Modified
2024-08-05 17:36
Summary
Improper input validation in SEV-SNP could allow a malicious hypervisor to read or overwrite guest memory potentially leading to data leakage or data corruption.
Show details on NVD website


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cve-2022-23830
Vulnerability from cvelistv5
Published
2023-11-14 18:53
Modified
2024-08-03 03:51
Summary
SMM configuration may not be immutable, as intended, when SNP is enabled resulting in a potential limited loss of guest memory integrity.
Show details on NVD website


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cve-2023-31346
Vulnerability from cvelistv5
Published
2024-02-13 19:18
Modified
2024-08-02 14:53
Severity ?
Summary
Failure to initialize memory in SEV Firmware may allow a privileged attacker to access stale data from other guests.
Show details on NVD website


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cve-2021-26345
Vulnerability from cvelistv5
Published
2023-11-14 18:53
Modified
2024-08-03 20:26
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.
Show details on NVD website


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cve-2023-20566
Vulnerability from cvelistv5
Published
2023-11-14 18:54
Modified
2024-08-02 09:05
Summary
Improper address validation in ASP with SNP enabled may potentially allow an attacker to compromise guest memory integrity.
Show details on NVD website


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cve-2023-31355
Vulnerability from cvelistv5
Published
2024-08-05 16:04
Modified
2024-08-06 14:58
Summary
Improper restriction of write operations in SNP firmware could allow a malicious hypervisor to overwrite a guest's UMC seed potentially allowing reading of memory from a decommissioned guest.
Show details on NVD website


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cve-2024-21980
Vulnerability from cvelistv5
Published
2024-08-05 16:06
Modified
2024-08-05 21:00
Summary
Improper restriction of write operations in SNP firmware could allow a malicious hypervisor to potentially overwrite a guest's memory or UMC seed resulting in loss of confidentiality and integrity.
Show details on NVD website


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