Epyc 9634 Firmware

epyc_9634_firmware

Vendor: Amd • 16 CVEs

CVEs (16)

CVE VENDORS PRODUCTS UPDATED PUBLISHED CVSS
CVE-2023-20591 1Amd 65Epyc 7203 Firmware Epyc 7203p FirmwareEpyc 72f3 Firmware+62 more Jun 17, 2026 Aug 13, 2024 N/A· v4 10.0 CRITICAL· v3 N/A· v2 Improper re-initialization of IOMMU during the DRTM event may permit an untrusted platform configuration to persist, allowing an attacker to read or modify hypervisor memory, potentially resulting in loss of confidential...Show more Improper re-initialization of IOMMU during the DRTM event may permit an untrusted platform configuration to persist, allowing an attacker to read or modify hypervisor memory, potentially resulting in loss of confidentiality, integrity, and availability.Show less
CVE-2023-20584 1Amd 65Epyc 7203 Firmware Epyc 7203p FirmwareEpyc 72f3 Firmware+62 more Jun 17, 2026 Aug 13, 2024 N/A· v4 6.0 MEDIUM· v3 N/A· v2 IOMMU improperly handles certain special address ranges with invalid device table entries (DTEs), which may allow an attacker with privileges and a compromised Hypervisor to induce DTE faults to bypass RMP checks in SEV-...Show more IOMMU improperly handles certain special address ranges with invalid device table entries (DTEs), which may allow an attacker with privileges and a compromised Hypervisor to induce DTE faults to bypass RMP checks in SEV-SNP, potentially leading to a loss of guest integrity.Show less
CVE-2023-20578 1Amd 105Epyc 7001 Firmware Epyc 7203 FirmwareEpyc 7203p Firmware+102 more Jun 17, 2026 Aug 13, 2024 N/A· v4 6.4 MEDIUM· v3 N/A· v2 A TOCTOU (Time-Of-Check-Time-Of-Use) in SMM may allow an attacker with ring0 privileges and access to the BIOS menu or UEFI shell to modify the communications buffer potentially resulting in arbitrary code execution.
CVE-2024-21980 1Amd 86Epyc 7203 Firmware Epyc 7203p FirmwareEpyc 72f3 Firmware+83 more Jun 17, 2026 Aug 5, 2024 N/A· v4 7.9 HIGH· v3 N/A· v2 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.
CVE-2024-21978 1Amd 86Epyc 7203 Firmware Epyc 7203p FirmwareEpyc 72f3 Firmware+83 more Jun 17, 2026 Aug 5, 2024 N/A· v4 7.9 HIGH· v3 N/A· v2 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.
CVE-2023-31355 1Amd 86Epyc 7203 Firmware Epyc 7203p FirmwareEpyc 72f3 Firmware+83 more Jun 17, 2026 Aug 5, 2024 N/A· v4 6.0 MEDIUM· v3 N/A· v2 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.
CVE-2023-31347 1Amd 62Epyc 7203 Firmware Epyc 7203p FirmwareEpyc 72f3 Firmware+59 more Jun 17, 2026 Feb 13, 2024 N/A· v4 4.9 MEDIUM· v3 N/A· v2 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.
CVE-2023-31346 1Amd 62Epyc 7203 Firmware Epyc 7203p FirmwareEpyc 72f3 Firmware+59 more Jun 17, 2026 Feb 13, 2024 N/A· v4 6.0 MEDIUM· v3 N/A· v2 Failure to initialize memory in SEV Firmware may allow a privileged attacker to access stale data from other guests.
CVE-2023-20573 1Amd 65Epyc 7203 Firmware Epyc 7203p FirmwareEpyc 72f3 Firmware+62 more Jun 17, 2026 Jan 11, 2024 N/A· v4 3.2 LOW· v3 N/A· v2 A privileged attacker can prevent delivery of debug exceptions to SEV-SNP guests potentially resulting in guests not receiving expected debug information.
CVE-2023-20566 1Amd 65Epyc 7203 Firmware Epyc 7203p FirmwareEpyc 72f3 Firmware+62 more Jun 17, 2026 Nov 14, 2023 N/A· v4 7.5 HIGH· v3 N/A· v2 Improper address validation in ASP with SNP enabled may potentially allow an attacker to compromise guest memory integrity.
CVE-2022-23830 1Amd 65Epyc 7203 Firmware Epyc 7203p FirmwareEpyc 72f3 Firmware+62 more Jun 17, 2026 Nov 14, 2023 N/A· v4 5.3 MEDIUM· v3 N/A· v2 SMM configuration may not be immutable, as intended, when SNP is enabled resulting in a potential limited loss of guest memory integrity.
CVE-2021-46774 1Amd 137Epyc 7001 Firmware Epyc 7203 FirmwareEpyc 7203p Firmware+134 more Jun 17, 2026 Nov 14, 2023 N/A· v4 7.5 HIGH· v3 N/A· v2 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.
CVE-2021-46766 1Amd 28Epyc 9124 Firmware Epyc 9174f FirmwareEpyc 9184x Firmware+25 more Jun 17, 2026 Nov 14, 2023 N/A· v4 5.5 MEDIUM· v3 N/A· v2 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.
CVE-2021-26345 1Amd 90Epyc 7203 Firmware Epyc 7203p FirmwareEpyc 7232p Firmware+87 more Jun 17, 2026 Nov 14, 2023 N/A· v4 4.9 MEDIUM· v3 N/A· v2 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.
CVE-2023-20569 4Amd DebianFedoraproject+1 more 155Debian Linux Epyc 72f3 FirmwareEpyc 7313 Firmware+152 more Jun 17, 2026 Aug 8, 2023 N/A· v4 4.7 MEDIUM· v3 N/A· v2 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...Show more 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. Show less
CVE-2023-20575 1Amd 88Epyc 5552 Firmware Epyc 7232p FirmwareEpyc 7251 Firmware+85 more Jun 17, 2026 Jul 11, 2023 N/A· v4 6.5 MEDIUM· v3 N/A· v2 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 resultin...Show more 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 less