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Search Results (49 CVEs found)
| CVE | Vendors | Products | Updated | CVSS v3.1 |
|---|---|---|---|---|
| CVE-2021-26402 | 1 Amd | 100 Epyc 7002, Epyc 7002 Firmware, Epyc 7003 and 97 more | 2025-04-08 | 7.1 High |
| Insufficient bounds checking in ASP (AMD Secure Processor) firmware while handling BIOS mailbox commands, may allow an attacker to write partially-controlled data out-of-bounds to SMM or SEV-ES regions which may lead to a potential loss of integrity and availability. | ||||
| CVE-2023-20532 | 1 Amd | 100 Epyc 7002, Epyc 7002 Firmware, Epyc 7003 and 97 more | 2025-04-07 | 5.3 Medium |
| Insufficient input validation in the SMU may allow an attacker to improperly lock resources, potentially resulting in a denial of service. | ||||
| CVE-2023-20531 | 1 Amd | 100 Epyc 7002, Epyc 7002 Firmware, Epyc 7003 and 97 more | 2025-04-07 | 7.5 High |
| Insufficient bound checks in the SMU may allow an attacker to update the SRAM from/to address space to an invalid value potentially resulting in a denial of service. | ||||
| CVE-2023-20530 | 1 Amd | 48 Epyc 7003, Epyc 7003 Firmware, Epyc 72f3 and 45 more | 2025-04-07 | 7.5 High |
| Insufficient input validation of BIOS mailbox messages in SMU may result in out-of-bounds memory reads potentially resulting in a denial of service. | ||||
| CVE-2023-20529 | 1 Amd | 100 Epyc 7002, Epyc 7002 Firmware, Epyc 7003 and 97 more | 2025-04-07 | 7.5 High |
| Insufficient bound checks in the SMU may allow an attacker to update the from/to address space to an invalid value potentially resulting in a denial of service. | ||||
| CVE-2023-20528 | 1 Amd | 100 Epyc 7002, Epyc 7002 Firmware, Epyc 7003 and 97 more | 2025-04-07 | 2.4 Low |
| Insufficient input validation in the SMU may allow a physical attacker to exfiltrate SMU memory contents over the I2C bus potentially leading to a loss of confidentiality. | ||||
| CVE-2023-20527 | 1 Amd | 128 Epyc 7001, Epyc 7001 Firmware, Epyc 7002 and 125 more | 2025-04-07 | 6.5 Medium |
| Improper syscall input validation in the ASP Bootloader may allow a privileged attacker to read memory out-of-bounds, potentially leading to a denial-of-service. | ||||
| CVE-2023-20525 | 1 Amd | 100 Epyc 7002, Epyc 7002 Firmware, Epyc 7003 and 97 more | 2025-04-07 | 6.5 Medium |
| Insufficient syscall input validation in the ASP Bootloader may allow a privileged attacker to read memory outside the bounds of a mapped register potentially leading to a denial of service. | ||||
| CVE-2023-20523 | 1 Amd | 100 Epyc 7002, Epyc 7002 Firmware, Epyc 7003 and 97 more | 2025-04-07 | 5.7 Medium |
| TOCTOU in the ASP may allow a physical attacker to write beyond the buffer bounds, potentially leading to a loss of integrity or denial of service. | ||||
| CVE-2023-20591 | 1 Amd | 132 Epyc 7003 Firmware, Epyc 7203, Epyc 7203 Firmware and 129 more | 2025-03-13 | 6.5 Medium |
| 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. | ||||
| CVE-2022-23824 | 3 Amd, Fedoraproject, Xen | 336 A10-9600p, A10-9600p Firmware, A10-9630p and 333 more | 2025-02-13 | 5.5 Medium |
| IBPB may not prevent return branch predictions from being specified by pre-IBPB branch targets leading to a potential information disclosure. | ||||
| CVE-2021-26371 | 1 Amd | 256 Amd 3015ce, Amd 3015ce Firmware, Amd 3015e and 253 more | 2025-01-28 | 5.5 Medium |
| 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. | ||||
| CVE-2021-26354 | 1 Amd | 304 Amd 3015ce, Amd 3015ce Firmware, Amd 3015e and 301 more | 2025-01-28 | 5.5 Medium |
| 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. | ||||
| CVE-2024-21980 | 1 Amd | 174 Epyc 7003 Firmware, Epyc 7203, Epyc 7203 Firmware and 171 more | 2024-11-26 | 7.9 High |
| 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 | 1 Amd | 174 Epyc 7003 Firmware, Epyc 7203, Epyc 7203 Firmware and 171 more | 2024-11-26 | 6 Medium |
| 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-2021-46778 | 1 Amd | 358 Athlon 3050ge, Athlon 3050ge Firmware, Athlon 3150g and 355 more | 2024-11-21 | 5.6 Medium |
| Execution unit scheduler contention may lead to a side channel vulnerability found on AMD CPU microarchitectures codenamed “Zen 1”, “Zen 2” and “Zen 3” that use simultaneous multithreading (SMT). By measuring the contention level on scheduler queues an attacker may potentially leak sensitive information. | ||||
| CVE-2021-46744 | 1 Amd | 198 Epyc 7001, Epyc 7001 Firmware, Epyc 7002 and 195 more | 2024-11-21 | 6.5 Medium |
| An attacker with access to a malicious hypervisor may be able to infer data values used in a SEV guest on AMD CPUs by monitoring ciphertext values over time. | ||||
| CVE-2021-26337 | 1 Amd | 224 Epyc 7002, Epyc 7002 Firmware, Epyc 7003 and 221 more | 2024-11-21 | 5.5 Medium |
| Insufficient DRAM address validation in System Management Unit (SMU) may result in a DMA read from invalid DRAM address to SRAM resulting in SMU not servicing further requests. | ||||
| CVE-2021-26336 | 1 Amd | 190 Epyc 7002, Epyc 7002 Firmware, Epyc 7003 and 187 more | 2024-11-21 | 5.5 Medium |
| Insufficient bounds checking in System Management Unit (SMU) may cause invalid memory accesses/updates that could result in SMU hang and subsequent failure to service any further requests from other components. | ||||
| CVE-2021-26335 | 1 Amd | 116 Epyc 7001, Epyc 7001 Firmware, Epyc 7002 and 113 more | 2024-11-21 | 7.8 High |
| 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. | ||||