Search Results (58 CVEs found)

CVE Vendors Products Updated CVSS v3.1
CVE-2021-26353 1 Amd 46 Epyc 72f3, Epyc 72f3 Firmware, Epyc 7313 and 43 more 2026-02-24 7.8 High
Failure to validate inputs in SMM may allow an attacker to create a mishandled error leaving the DRTM UApp in a partially initialized state potentially resulting in loss of memory integrity.
CVE-2021-26316 1 Amd 294 Athlon 3050ge, Athlon 3050ge Firmware, Athlon 3150g and 291 more 2025-04-09 7.8 High
Failure to validate the communication buffer and communication service in the BIOS may allow an attacker to tamper with the buffer resulting in potential SMM (System Management Mode) arbitrary code execution.
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-2021-26396 1 Amd 48 Epyc 7003, Epyc 7003 Firmware, Epyc 72f3 and 45 more 2025-04-09 4.4 Medium
Insufficient validation of address mapping to IO in ASP (AMD Secure Processor) may result in a loss of memory integrity in the SNP guest.
CVE-2021-26355 1 Amd 48 Epyc 7003, Epyc 7003 Firmware, Epyc 72f3 and 45 more 2025-04-09 5.5 Medium
Insufficient fencing and checks in System Management Unit (SMU) may result in access to invalid message port registers that could result in a potential denial-of-service.
CVE-2021-26328 1 Amd 48 Epyc 7003, Epyc 7003 Firmware, Epyc 72f3 and 45 more 2025-04-09 4.4 Medium
Failure to verify the mode of CPU execution at the time of SNP_INIT may lead to a potential loss of memory integrity for SNP guests.
CVE-2021-26343 1 Amd 48 Epyc 7003, Epyc 7003 Firmware, Epyc 72f3 and 45 more 2025-04-09 5.5 Medium
Insufficient validation in ASP BIOS and DRTM commands may allow malicious supervisor x86 software to disclose the contents of sensitive memory which may result in information disclosure.
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-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-2021-26397 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-2021-26388 1 Amd 213 Epyc 7232p, Epyc 7232p Firmware, Epyc 7252 and 210 more 2024-11-21 5.5 Medium
Improper validation of the BIOS directory may allow for searches to read beyond the directory table copy in RAM, exposing out of bounds memory contents, resulting in a potential denial of service.
CVE-2021-26378 1 Amd 167 Epyc 7232p, Epyc 7232p Firmware, Epyc 7252 and 164 more 2024-11-21 5.5 Medium
Insufficient bound checks in the System Management Unit (SMU) may result in access to an invalid address space that could result in denial of service.
CVE-2021-26376 1 Amd 167 Epyc 7232p, Epyc 7232p Firmware, Epyc 7252 and 164 more 2024-11-21 5.5 Medium
Insufficient checks in System Management Unit (SMU) FeatureConfig may result in reenabling features potentially resulting in denial of resources and/or denial of service.
CVE-2021-26375 1 Amd 167 Epyc 7232p, Epyc 7232p Firmware, Epyc 7252 and 164 more 2024-11-21 5.5 Medium
Insufficient General Purpose IO (GPIO) bounds check in System Management Unit (SMU) may result in access/updates from/to invalid address space that could result in denial of service.
CVE-2021-26373 1 Amd 175 Epyc 7232p, Epyc 7232p Firmware, Epyc 7252 and 172 more 2024-11-21 5.5 Medium
Insufficient bound checks in the System Management Unit (SMU) may result in a system voltage malfunction that could result in denial of resources and/or possibly denial of service.