Total
40 CVE
| CVE | Vendors | Products | Updated | CVSS v2 | CVSS v3 |
|---|---|---|---|---|---|
| CVE-2021-26398 | 1 Amd | 128 Epyc 7001, Epyc 7001 Firmware, Epyc 7002 and 125 more | 2025-04-09 | N/A | 7.8 HIGH |
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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.
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| CVE-2021-26403 | 1 Amd | 82 Epyc 7001, Epyc 7001 Firmware, Epyc 7002 and 79 more | 2025-04-08 | N/A | 6.5 MEDIUM |
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Insufficient checks in SEV may lead to a malicious hypervisor disclosing the launch secret potentially resulting in compromise of VM confidentiality.
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| CVE-2023-20527 | 1 Amd | 128 Epyc 7001, Epyc 7001 Firmware, Epyc 7002 and 125 more | 2025-04-07 | N/A | 6.5 MEDIUM |
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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.
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| CVE-2023-20578 | 1 Amd | 210 Epyc 7001, Epyc 7001 Firmware, Epyc 7203 and 207 more | 2025-03-18 | N/A | 7.5 HIGH |
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A TOCTOU (Time-Of-Check-Time-Of-Use) in SMM may allow
an attacker with ring0 privileges and access to the
BIOS menu or UEFI shell to modify the communications buffer potentially
resulting in arbitrary code execution.
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| CVE-2021-26344 | 1 Amd | 138 Epyc 7001, Epyc 7001 Firmware, Epyc 7203 and 135 more | 2025-03-18 | N/A | 7.2 HIGH |
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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.
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| CVE-2023-20520 | 1 Amd | 126 Epyc 7232p, Epyc 7232p Firmware, Epyc 7251 and 123 more | 2025-01-28 | N/A | 9.8 CRITICAL |
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Improper access control settings in ASP
Bootloader may allow an attacker to corrupt the return address causing a
stack-based buffer overrun potentially leading to arbitrary code execution.
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| CVE-2021-46756 | 1 Amd | 126 Epyc 7232p, Epyc 7232p Firmware, Epyc 7251 and 123 more | 2025-01-28 | N/A | 9.1 CRITICAL |
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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.
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| CVE-2021-26406 | 1 Amd | 80 Epyc 7232p, Epyc 7232p Firmware, Epyc 7251 and 77 more | 2025-01-28 | N/A | 7.5 HIGH |
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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.
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| CVE-2021-26371 | 1 Amd | 256 Amd 3015ce, Amd 3015ce Firmware, Amd 3015e and 253 more | 2025-01-28 | N/A | 5.5 MEDIUM |
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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.
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| CVE-2021-26356 | 1 Amd | 196 Epyc 7001, Epyc 7001 Firmware, Epyc 7002 and 193 more | 2025-01-28 | N/A | 7.4 HIGH |
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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.
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| CVE-2023-20575 | 1 Amd | 176 Epyc 5552, Epyc 5552 Firmware, Epyc 7232p and 173 more | 2024-11-27 | N/A | 6.5 MEDIUM |
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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.
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| CVE-2023-20592 | 1 Amd | 138 Epyc 7001, Epyc 7001 Firmware, Epyc 7203 and 135 more | 2024-11-21 | N/A | 6.5 MEDIUM |
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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.
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| 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 | N/A | 5.5 MEDIUM |
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A division-by-zero error on some AMD processors can potentially return speculative data resulting in loss of confidentiality.
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| CVE-2023-20526 | 1 Amd | 146 Epyc 7001, Epyc 7001 Firmware, Epyc 7203 and 143 more | 2024-11-21 | N/A | 1.9 LOW |
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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.
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| CVE-2023-20521 | 1 Amd | 186 Amd 3015ce, Amd 3015ce Firmware, Amd 3015e and 183 more | 2024-11-21 | N/A | 3.3 LOW |
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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.
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| CVE-2022-29900 | 4 Amd, Debian, Fedoraproject and 1 more | 249 A10-9600p, A10-9600p Firmware, A10-9630p and 246 more | 2024-11-21 | 2.1 LOW | 6.5 MEDIUM |
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Mis-trained branch predictions for return instructions may allow arbitrary speculative code execution under certain microarchitecture-dependent conditions.
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| CVE-2022-23825 | 4 Amd, Debian, Fedoraproject and 1 more | 249 A10-9600p, A10-9600p Firmware, A10-9630p and 246 more | 2024-11-21 | 2.1 LOW | 6.5 MEDIUM |
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Aliases in the branch predictor may cause some AMD processors to predict the wrong branch type potentially leading to information disclosure.
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| CVE-2022-23824 | 3 Amd, Fedoraproject, Xen | 336 A10-9600p, A10-9600p Firmware, A10-9630p and 333 more | 2024-11-21 | N/A | 5.5 MEDIUM |
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IBPB may not prevent return branch predictions from being specified by pre-IBPB branch targets leading to a potential information disclosure.
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| CVE-2022-23823 | 1 Amd | 284 A10-9600p, A10-9600p Firmware, A10-9630p and 281 more | 2024-11-21 | 4.0 MEDIUM | 6.5 MEDIUM |
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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.
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| CVE-2021-46778 | 1 Amd | 358 Athlon 3050ge, Athlon 3050ge Firmware, Athlon 3150g and 355 more | 2024-11-21 | N/A | 5.6 MEDIUM |
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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.
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| CVE-2021-46774 | 1 Amd | 274 Epyc 7001, Epyc 7001 Firmware, Epyc 7203 and 271 more | 2024-11-21 | N/A | 6.7 MEDIUM |
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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.
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| CVE-2021-46744 | 1 Amd | 198 Epyc 7001, Epyc 7001 Firmware, Epyc 7002 and 195 more | 2024-11-21 | 2.1 LOW | 6.5 MEDIUM |
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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.
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| CVE-2021-26408 | 1 Amd | 76 Epyc 7001, Epyc 7001 Firmware, Epyc 7002 and 73 more | 2024-11-21 | 6.6 MEDIUM | 7.1 HIGH |
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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.
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| CVE-2021-26401 | 1 Amd | 252 A10-9600p, A10-9600p Firmware, A10-9630p and 249 more | 2024-11-21 | 1.9 LOW | 5.6 MEDIUM |
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LFENCE/JMP (mitigation V2-2) may not sufficiently mitigate CVE-2017-5715 on some AMD CPUs.
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| CVE-2021-26342 | 1 Amd | 76 Epyc 7001, Epyc 7001 Firmware, Epyc 7251 and 73 more | 2024-11-21 | 2.1 LOW | 3.3 LOW |
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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.
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| CVE-2021-26341 | 1 Amd | 252 A10-9600p, A10-9600p Firmware, A10-9630p and 249 more | 2024-11-21 | 2.1 LOW | 6.5 MEDIUM |
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Some AMD CPUs may transiently execute beyond unconditional direct branches, which may potentially result in data leakage.
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| CVE-2021-26340 | 1 Amd | 210 Epyc 7001, Epyc 7001 Firmware, Epyc 7232p and 207 more | 2024-11-21 | 3.6 LOW | 8.4 HIGH |
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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).
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| CVE-2021-26335 | 1 Amd | 116 Epyc 7001, Epyc 7001 Firmware, Epyc 7002 and 113 more | 2024-11-21 | 7.2 HIGH | 7.8 HIGH |
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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.
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| CVE-2021-26331 | 1 Amd | 116 Epyc 7001, Epyc 7001 Firmware, Epyc 7002 and 113 more | 2024-11-21 | 7.2 HIGH | 7.8 HIGH |
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AMD System Management Unit (SMU) contains a potential issue where a malicious user may be able to manipulate mailbox entries leading to arbitrary code execution.
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| CVE-2021-26330 | 1 Amd | 116 Epyc 7001, Epyc 7001 Firmware, Epyc 7002 and 113 more | 2024-11-21 | 2.1 LOW | 5.5 MEDIUM |
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AMD System Management Unit (SMU) may experience a heap-based overflow which may result in a loss of resources.
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| CVE-2021-26329 | 1 Amd | 114 Epyc 7232p, Epyc 7232p Firmware, Epyc 7251 and 111 more | 2024-11-21 | 2.1 LOW | 5.5 MEDIUM |
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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.
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| CVE-2021-26322 | 1 Amd | 114 Epyc 7232p, Epyc 7232p Firmware, Epyc 7251 and 111 more | 2024-11-21 | 5.0 MEDIUM | 7.5 HIGH |
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Persistent platform private key may not be protected with a random IV leading to a potential “two time pad attack”.
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| CVE-2021-26321 | 1 Amd | 114 Epyc 7232p, Epyc 7232p Firmware, Epyc 7251 and 111 more | 2024-11-21 | 4.9 MEDIUM | 5.5 MEDIUM |
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Insufficient ID command validation in the SEV Firmware may allow a local authenticated attacker to perform a denial of service of the PSP.
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| CVE-2021-26320 | 1 Amd | 114 Epyc 7232p, Epyc 7232p Firmware, Epyc 7251 and 111 more | 2024-11-21 | 2.1 LOW | 5.5 MEDIUM |
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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
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| CVE-2021-26312 | 1 Amd | 114 Epyc 7232p, Epyc 7232p Firmware, Epyc 7251 and 111 more | 2024-11-21 | 2.1 LOW | 5.5 MEDIUM |
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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.
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| CVE-2020-12988 | 1 Amd | 122 Epyc 7001, Epyc 7001 Firmware, Epyc 7002 and 119 more | 2024-11-21 | 7.8 HIGH | 7.5 HIGH |
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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.
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| CVE-2020-12966 | 1 Amd | 214 Epyc 7001, Epyc 7001 Firmware, Epyc 7002 and 211 more | 2024-11-21 | 2.1 LOW | 5.5 MEDIUM |
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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.
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| CVE-2020-12954 | 1 Amd | 116 Epyc 7001, Epyc 7001 Firmware, Epyc 7002 and 113 more | 2024-11-21 | 2.1 LOW | 5.5 MEDIUM |
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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.
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| CVE-2020-12951 | 1 Amd | 116 Epyc 7001, Epyc 7001 Firmware, Epyc 7002 and 113 more | 2024-11-21 | 4.4 MEDIUM | 7.0 HIGH |
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Race condition in ASP firmware could allow less privileged x86 code to perform ASP SMM (System Management Mode) operations.
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| CVE-2020-12944 | 1 Amd | 114 Epyc 7232p, Epyc 7232p Firmware, Epyc 7251 and 111 more | 2024-11-21 | 4.6 MEDIUM | 7.8 HIGH |
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Insufficient validation of BIOS image length by ASP Firmware could lead to arbitrary code execution.
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