CVE-2023-20593

CVE-2023-20593 is described as a vulnerability in AMD/Zen 2 microarchitectural behavior that could allow an attacker to access sensitive information under specific conditions. In the provided documents, the description is broad and does not list concrete affected products, versions, root cause de...

CVE-2022-29900

CVE-2022-29900 describes mis-trained branch predictions for return instructions that may allow arbitrary speculative code execution under certain microarchitecture-dependent conditions. Connected advisories confirm this affects Linux-kernel components (e.g., linux-5.10 in Astra Linux; multiple Am...

CVE-2022-23825

CVE-2022-23825 affects AMD processors where branch-predictor aliases can cause misclassification of branches, potentially exposing information. The connected advisories show Linux kernel mitigations are being released for Amazon Linux 2/ALAS kernels (e.g., ALAS2KERNEL-5.10-2025-086 and ALAS2KERNE...

CVE-2022-27672

CVE-2022-27672 describes a local information disclosure vulnerability on certain AMD CPUs where, when SMT is enabled, the processor may speculatively execute instructions using a target from the sibling thread after an SMT mode switch. The underlying issue is tied to speculative execution across ...

CVE-2022-23824

Summary: CVE-2022-23824 is listed as a Xen-related vulnerability in Debian security advisories and Gentoo GLSA, indicating multiple vulnerabilities in the Xen hypervisor that could lead to privilege escalation, denial of service, or information leaks. The Debian entry explicitly groups CVE-2022-2...

CVE-2022-23823

CVE-2022-23823 describes a timing-attack information disclosure risk on AMD processors with DVFS. Connected sources show F5 advisories (K43357358) tying Hertzbleed to BIG-IP on AMD CPUs, listing affected BIG-IP branches (e.g., 17.x up to 17.5.03) with “Will not fix” for some lines, and provide a ...

CVE-2022-23821

CVE-2022-23821 describes an improper access control in AMD System Management Mode (SMM) that could allow an attacker to write to SPI ROM and potentially achieve arbitrary code execution. Connected sources indicate this affects AMD ASP/SMM components and is mitigated by Platform Initialization (PI...

CVE-2023-20558

CVE-2023-20558 involves AMD Secure Processor/SMU SMM code. The root cause is insufficient control flow management in AmdCpmOemSmm, which could allow a privileged attacker to tamper with the SMM handler and escalate privileges. Affected software/hardware: AMD Ryzen 2000 series desktop processors (...

CVE-2021-26346

CVE-2021-26346 affects AMD Secure Processor (ASP) bootloader: failure to validate the integer operand can enable an integer overflow in the L2 directory table in SPI flash, leading to potential denial of service. Affected by several AMD/industry advisories; mitigation requires firmware/BIOS updat...

CVE-2020-12930

CVE-2020-12930 is an AMD ASP/PSP driver vulnerability described as improper parameter handling that could allow a privileged attacker to elevate privileges, potentially compromising integrity. The AMD security bulletin AMD-SB-5001 maps this CVE to various AMD Embedded/ Ryzen platforms and provide...

CVE-2021-26354

CVE-2021-26354 affects AMD’s ASP/Bootloader pathway (ASP/ABL) with Insufficient bounds checking that may allow a system call from a compromised ABL, initializing arbitrary memory to zero and potentially compromising integrity. The vulnerability is documented across multiple sources (NVD entry and...

CVE-2021-46778

CVE-2021-46778 describes an information-disclosure side-channel vulnerability in AMD CPUs with SMT (Zen 1–Zen 4). The root cause is execution unit scheduler contention on SMT-enabled cores, allowing an attacker to infer data by measuring scheduler-queue contention. Public documents identify affec...

CVE-2021-26371

The CVE-2021-26371 entry concerns AMD Secure Processor (ASP)/AMD System Management Unit (SMU) where a compromised ABL or UApp could trigger a SHA256 system call to the bootloader, potentially exposing ASP memory to userspace and causing information disclosure. Technical details from connected sou...

CVE-2020-12931

The CVE-2020-12931 issue affects the AMD Secure Processor (ASP) kernel, caused by improper parameter handling, enabling a privileged attacker to elevate privileges and potentially compromise integrity. AMD’s AMD-SB-5001 bulletin maps this vulnerability across ASP/PSP components (ASP kernel) and p...

CVE-2022-23820

CVE-2022-23820 corresponds to a vulnerability in AMD ASP/PSP/SMM handling where failure to validate the AMD SMM communication buffer could allow an attacker to corrupt SMRAM and achieve arbitrary code execution. Public details in AMD’s bulletin AMD-SB-5001 confirm the issue and map it to multiple...

CVE-2021-26392

CVE-2021-26392 involves insufficient verification of a missing size check in LoadModule, leading to an out-of-bounds write that could enable code execution in the OS/kernel via loading a malicious TA. AMD’s related bulletin (AMD-SB-5001) labels this CVE as Medium and provides mitigations through ...

CVE-2023-20533

CVE-2023-20533 is documented in multiple trusted sources as a vulnerability in the AMD SMU/ASP ecosystem: it describes insufficient DRAM address validation in the System Management Unit (SMU), which may allow a DMA attacker to read/write invalid DRAM addresses and could lead to denial of service....

CVE-2021-26356

CVE-2021-26356 describes a TOCTOU vulnerability in the ASP bootloader that can allow tampering with the SPI ROM after memory reads, potentially causing S3 data corruption and information disclosure in AMD Secure Processor/ASP boot scenarios. Affected components include the ASP bootloader within A...

CVE-2023-20559

The CVE-2023-20559 entry concerns AMD Ryzen 2000-series CPUs with a vulnerability in the System Management Mode (SMM) component. Specifically, insufficient control flow management in AmdCpmGpioInitSmm could allow a privileged attacker to tamper with the SMM handler, potentially leading to privile...

CVE-2023-20589

The CVE-2023-20589 entry corresponds to a voltage fault injection vulnerability affecting fTPM ASP secure boot on AMD Ryzen platforms (Zen 1/2/3). The AMD-SB-4005 bulletin provides concrete details: potential arbitrary code execution via physical access and specialized hardware, impacting a wide ...

CVE-2021-46774

CVE-2021-46774 describes insufficient input validation in the AMD ABL, enabling a privileged attacker to perform arbitrary DRAM writes and potentially execute code or escalate privileges. Connected advisories confirm this vulnerability is among issues addressed by AMD/PI firmware updates and kern...