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Search Results (22 CVEs found)
| CVE | Vendors | Products | Updated | CVSS v3.1 |
|---|---|---|---|---|
| CVE-2021-26398 | 1 Amd | 128 Epyc 7001, Epyc 7001 Firmware, Epyc 7002 and 125 more | 2025-04-09 | 7.8 High |
| Insufficient input validation in SYS_KEY_DERIVE system call in a compromised user application or ABL may allow an attacker to corrupt ASP (AMD Secure Processor) OS memory which may lead to potential arbitrary code execution. | ||||
| CVE-2021-26403 | 1 Amd | 82 Epyc 7001, Epyc 7001 Firmware, Epyc 7002 and 79 more | 2025-04-08 | 6.5 Medium |
| Insufficient checks in SEV may lead to a malicious hypervisor disclosing the launch secret potentially resulting in compromise of VM confidentiality. | ||||
| CVE-2021-26344 | 1 Amd | 141 Epyc 7001, Epyc 7001 Firmware, Epyc 7203 and 138 more | 2025-03-18 | 7.2 High |
| An out of bounds memory write when processing the AMD PSP1 Configuration Block (APCB) could allow an attacker with access the ability to modify the BIOS image, and the ability to sign the resulting image, to potentially modify the APCB block resulting in arbitrary code execution. | ||||
| 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-2021-26406 | 1 Amd | 80 Epyc 7232p, Epyc 7232p Firmware, Epyc 7251 and 77 more | 2025-01-28 | 7.5 High |
| 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. | ||||
| 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-2021-26356 | 1 Amd | 196 Epyc 7001, Epyc 7001 Firmware, Epyc 7002 and 193 more | 2025-01-28 | 7.4 High |
| 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. | ||||
| CVE-2021-26401 | 2 Amd, Redhat | 255 A10-9600p, A10-9600p Firmware, A10-9630p and 252 more | 2024-11-21 | 5.6 Medium |
| LFENCE/JMP (mitigation V2-2) may not sufficiently mitigate CVE-2017-5715 on some AMD CPUs. | ||||
| CVE-2021-26342 | 1 Amd | 76 Epyc 7001, Epyc 7001 Firmware, Epyc 7251 and 73 more | 2024-11-21 | 3.3 Low |
| In SEV guest VMs, the CPU may fail to flush the Translation Lookaside Buffer (TLB) following a particular sequence of operations that includes creation of a new virtual machine control block (VMCB). The failure to flush the TLB may cause the microcode to use stale TLB translations which may allow for disclosure of SEV guest memory contents. Users of SEV-ES/SEV-SNP guest VMs are not impacted by this vulnerability. | ||||
| CVE-2021-26341 | 2 Amd, Redhat | 255 A10-9600p, A10-9600p Firmware, A10-9630p and 252 more | 2024-11-21 | 6.5 Medium |
| Some AMD CPUs may transiently execute beyond unconditional direct branches, which may potentially result in data leakage. | ||||
| CVE-2021-26340 | 1 Amd | 210 Epyc 7001, Epyc 7001 Firmware, Epyc 7232p and 207 more | 2024-11-21 | 8.4 High |
| A malicious hypervisor in conjunction with an unprivileged attacker process inside an SEV/SEV-ES guest VM may fail to flush the Translation Lookaside Buffer (TLB) resulting in unexpected behavior inside the virtual machine (VM). | ||||
| CVE-2021-26329 | 1 Amd | 114 Epyc 7232p, Epyc 7232p Firmware, Epyc 7251 and 111 more | 2024-11-21 | 5.5 Medium |
| AMD System Management Unit (SMU) may experience an integer overflow when an invalid length is provided which may result in a potential loss of resources. | ||||
| CVE-2021-26322 | 1 Amd | 114 Epyc 7232p, Epyc 7232p Firmware, Epyc 7251 and 111 more | 2024-11-21 | 7.5 High |
| Persistent platform private key may not be protected with a random IV leading to a potential “two time pad attack”. | ||||
| CVE-2021-26321 | 1 Amd | 114 Epyc 7232p, Epyc 7232p Firmware, Epyc 7251 and 111 more | 2024-11-21 | 5.5 Medium |
| Insufficient ID command validation in the SEV Firmware may allow a local authenticated attacker to perform a denial of service of the PSP. | ||||
| CVE-2021-26320 | 1 Amd | 114 Epyc 7232p, Epyc 7232p Firmware, Epyc 7251 and 111 more | 2024-11-21 | 5.5 Medium |
| Insufficient validation of the AMD SEV Signing Key (ASK) in the SEND_START command in the SEV Firmware may allow a local authenticated attacker to perform a denial of service of the PSP | ||||
| CVE-2021-26312 | 1 Amd | 114 Epyc 7232p, Epyc 7232p Firmware, Epyc 7251 and 111 more | 2024-11-21 | 5.5 Medium |
| Failure to flush the Translation Lookaside Buffer (TLB) of the I/O memory management unit (IOMMU) may lead an IO device to write to memory it should not be able to access, resulting in a potential loss of integrity. | ||||
| CVE-2021-26311 | 1 Amd | 65 Epyc 7232p, Epyc 7251, Epyc 7252 and 62 more | 2024-11-21 | 7.2 High |
| In the AMD SEV/SEV-ES feature, memory can be rearranged in the guest address space that is not detected by the attestation mechanism which could be used by a malicious hypervisor to potentially lead to arbitrary code execution within the guest VM if a malicious administrator has access to compromise the server hypervisor. | ||||
| CVE-2020-12988 | 1 Amd | 122 Epyc 7001, Epyc 7001 Firmware, Epyc 7002 and 119 more | 2024-11-21 | 7.5 High |
| A potential denial of service (DoS) vulnerability exists in the integrated chipset that may allow a malicious attacker to hang the system when it is rebooted. | ||||
| CVE-2020-12967 | 1 Amd | 65 Epyc 7232p, Epyc 7251, Epyc 7252 and 62 more | 2024-11-21 | 7.2 High |
| The lack of nested page table protection in the AMD SEV/SEV-ES feature could potentially lead to arbitrary code execution within the guest VM if a malicious administrator has access to compromise the server hypervisor. | ||||
| CVE-2020-12966 | 1 Amd | 214 Epyc 7001, Epyc 7001 Firmware, Epyc 7002 and 211 more | 2024-11-21 | 5.5 Medium |
| AMD EPYC™ Processors contain an information disclosure vulnerability in the Secure Encrypted Virtualization with Encrypted State (SEV-ES) and Secure Encrypted Virtualization with Secure Nested Paging (SEV-SNP). A local authenticated attacker could potentially exploit this vulnerability leading to leaking guest data by the malicious hypervisor. | ||||