Total
25 CVE
CVE | Vendors | Products | Updated | CVSS v2 | CVSS v3 |
---|---|---|---|---|---|
CVE-2023-20526 | 1 Amd | 146 Epyc 7001, Epyc 7001 Firmware, Epyc 7203 and 143 more | 2024-02-13 | N/A | 4.6 MEDIUM |
Insufficient input validation in the ASP Bootloader may enable a privileged attacker with physical access to expose the contents of ASP memory potentially leading to a loss of confidentiality. | |||||
CVE-2023-20521 | 1 Amd | 186 Amd 3015ce, Amd 3015ce Firmware, Amd 3015e and 183 more | 2024-02-13 | N/A | 5.7 MEDIUM |
TOCTOU in the ASP Bootloader may allow an attacker with physical access to tamper with SPI ROM records after memory content verification, potentially leading to loss of confidentiality or a denial of service. | |||||
CVE-2021-46774 | 1 Amd | 274 Epyc 7001, Epyc 7001 Firmware, Epyc 7203 and 271 more | 2024-02-13 | N/A | 7.5 HIGH |
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-2022-29900 | 4 Amd, Debian, Fedoraproject and 1 more | 249 A10-9600p, A10-9600p Firmware, A10-9630p and 246 more | 2024-02-04 | 2.1 LOW | 6.5 MEDIUM |
Mis-trained branch predictions for return instructions may allow arbitrary speculative code execution under certain microarchitecture-dependent conditions. | |||||
CVE-2022-23825 | 4 Amd, Debian, Fedoraproject and 1 more | 249 A10-9600p, A10-9600p Firmware, A10-9630p and 246 more | 2024-02-04 | 2.1 LOW | 6.5 MEDIUM |
Aliases in the branch predictor may cause some AMD processors to predict the wrong branch type potentially leading to information disclosure. | |||||
CVE-2022-23824 | 3 Amd, Fedoraproject, Xen | 336 A10-9600p, A10-9600p Firmware, A10-9630p and 333 more | 2024-02-04 | N/A | 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-2023-20592 | 1 Amd | 138 Epyc 7001, Epyc 7001 Firmware, Epyc 7203 and 135 more | 2023-12-10 | N/A | 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-2021-26356 | 1 Amd | 196 Epyc 7001, Epyc 7001 Firmware, Epyc 7002 and 193 more | 2023-12-10 | N/A | 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-2021-26371 | 1 Amd | 256 Amd 3015ce, Amd 3015ce Firmware, Amd 3015e and 253 more | 2023-12-10 | N/A | 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-2021-26398 | 1 Amd | 128 Epyc 7001, Epyc 7001 Firmware, Epyc 7002 and 125 more | 2023-12-10 | N/A | 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-2023-20527 | 1 Amd | 128 Epyc 7001, Epyc 7001 Firmware, Epyc 7002 and 125 more | 2023-12-10 | N/A | 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-2021-26403 | 1 Amd | 82 Epyc 7001, Epyc 7001 Firmware, Epyc 7002 and 79 more | 2023-12-10 | N/A | 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-2021-46778 | 1 Amd | 358 Athlon 3050ge, Athlon 3050ge Firmware, Athlon 3150g and 355 more | 2023-12-10 | N/A | 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-2021-26342 | 1 Amd | 76 Epyc 7001, Epyc 7001 Firmware, Epyc 7251 and 73 more | 2023-12-10 | 2.1 LOW | 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-2021-26408 | 1 Amd | 76 Epyc 7001, Epyc 7001 Firmware, Epyc 7002 and 73 more | 2023-12-10 | 6.6 MEDIUM | 7.1 HIGH |
Insufficient validation of elliptic curve points in SEV-legacy firmware may compromise SEV-legacy guest migration potentially resulting in loss of guest's integrity or confidentiality. | |||||
CVE-2021-46744 | 1 Amd | 198 Epyc 7001, Epyc 7001 Firmware, Epyc 7002 and 195 more | 2023-12-10 | 2.1 LOW | 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-2022-23823 | 1 Amd | 284 A10-9600p, A10-9600p Firmware, A10-9630p and 281 more | 2023-12-10 | 4.0 MEDIUM | 6.5 MEDIUM |
A potential vulnerability in some AMD processors using frequency scaling may allow an authenticated attacker to execute a timing attack to potentially enable information disclosure. | |||||
CVE-2021-26330 | 1 Amd | 116 Epyc 7001, Epyc 7001 Firmware, Epyc 7002 and 113 more | 2023-12-10 | 2.1 LOW | 5.5 MEDIUM |
AMD System Management Unit (SMU) may experience a heap-based overflow which may result in a loss of resources. | |||||
CVE-2020-12954 | 1 Amd | 116 Epyc 7001, Epyc 7001 Firmware, Epyc 7002 and 113 more | 2023-12-10 | 2.1 LOW | 5.5 MEDIUM |
A side effect of an integrated chipset option may be able to be used by an attacker to bypass SPI ROM protections, allowing unauthorized SPI ROM modification. | |||||
CVE-2020-12951 | 1 Amd | 116 Epyc 7001, Epyc 7001 Firmware, Epyc 7002 and 113 more | 2023-12-10 | 4.4 MEDIUM | 7.0 HIGH |
Race condition in ASP firmware could allow less privileged x86 code to perform ASP SMM (System Management Mode) operations. |