Search Results (127 CVEs found)

CVE Vendors Products Updated CVSS v3.1
CVE-2021-46775 1 Amd 96 Epyc 7232p, Epyc 7232p Firmware, Epyc 7252 and 93 more 2025-01-28 6.8 Medium
Improper input validation in ABL may enable an attacker with physical access, to perform arbitrary memory overwrites, potentially leading to a loss of integrity and code execution.
CVE-2021-46769 1 Amd 96 Epyc 7232p, Epyc 7232p Firmware, Epyc 7252 and 93 more 2025-01-28 8.8 High
Insufficient syscall input validation in the ASP Bootloader may allow a privileged attacker to execute arbitrary DMA copies, which can lead to code execution.
CVE-2021-46764 1 Amd 96 Epyc 7232p, Epyc 7232p Firmware, Epyc 7252 and 93 more 2025-01-28 7.5 High
Improper validation of DRAM addresses in SMU may allow an attacker to overwrite sensitive memory locations within the ASP potentially resulting in a denial of service.
CVE-2021-46763 1 Amd 96 Epyc 7232p, Epyc 7232p Firmware, Epyc 7252 and 93 more 2025-01-28 7.5 High
Insufficient input validation in the SMU may enable a privileged attacker to write beyond the intended bounds of a shared memory buffer potentially leading to a loss of integrity.
CVE-2021-46756 1 Amd 126 Epyc 7232p, Epyc 7232p Firmware, Epyc 7251 and 123 more 2025-01-28 9.1 Critical
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.
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-2021-26397 1 Amd 46 Epyc 72f3, Epyc 72f3 Firmware, Epyc 7313 and 43 more 2025-01-28 7.1 High
Insufficient address validation, may allow an attacker with a compromised ABL and UApp to corrupt sensitive memory locations potentially resulting in a loss of integrity or availability.
CVE-2021-26379 1 Amd 96 Epyc 7232p, Epyc 7232p Firmware, Epyc 7252 and 93 more 2025-01-28 9.8 Critical
Insufficient input validation of mailbox data in the SMU may allow an attacker to coerce the SMU to corrupt SMRAM, potentially leading to a loss of integrity and privilege escalation.
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-2021-26354 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-2021-46762 1 Amd 96 Epyc 7232p, Epyc 7232p Firmware, Epyc 7252 and 93 more 2025-01-28 3.9 Low
Insufficient input validation in the SMU may allow an attacker to corrupt SMU SRAM potentially leading to a loss of integrity or denial of service.
CVE-2023-20584 2 Amd, Redhat 135 Epyc 7203, Epyc 7203 Firmware, Epyc 7203p and 132 more 2024-12-12 5.3 Medium
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.
CVE-2023-20566 1 Amd 130 Epyc 7203, Epyc 7203 Firmware, Epyc 7203p and 127 more 2024-12-03 5.3 Medium
Improper address validation in ASP with SNP enabled may potentially allow an attacker to compromise guest memory integrity.
CVE-2023-20575 1 Amd 176 Epyc 5552, Epyc 5552 Firmware, Epyc 7232p and 173 more 2024-11-27 6.5 Medium
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.
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-2023-31355 1 Amd 172 Epyc 7203, Epyc 7203 Firmware, Epyc 7203p and 169 more 2024-11-26 6 Medium
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-2023-20592 2 Amd, Redhat 141 Epyc 7001, Epyc 7001 Firmware, Epyc 7203 and 138 more 2024-11-21 6.5 Medium
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.
CVE-2023-20588 5 Amd, Debian, Fedoraproject and 2 more 78 Athlon Gold 3150g, Athlon Gold 3150g Firmware, Athlon Gold 3150ge and 75 more 2024-11-21 5.5 Medium
A division-by-zero error on some AMD processors can potentially return speculative data resulting in loss of confidentiality.