CVE-2021-26401

CVE-2021-26401 concerns Spectre Variant 2 mitigation on AMD CPUs. The description states that LFENCE/JMP mitigation (mitigation V2-2) may not sufficiently mitigate CVE-2017-5715 on some AMD processors. AMD advisories (AMD-SB-1040 and AMD-SB-1036) discuss mitigations and supported approaches: use ...

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-2021-26341

CVE-2021-26341 affects AMD CPUs; transient execution beyond unconditional direct branches may leak data. Public details describe local access risk with low NVD CVSS v2 but medium CVSS v3.1 (6.5) and local attack vector. Connected advisories (MiracleLinux, IBM/Red Hat and others) mention this CVE ...

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-2021-26339

Technical details are not publicly available in the provided documents for CVE-2021-26339. Monitor for updates from vendor advisories; no specific affected products, impact, or remediation details are present in the supplied materials.

CVE-2021-26363

CVE-2021-26363 affects AMD ASP/SMU firmware where a malicious or compromised UApp or ABL could modify the ASP’s reserved DRAM value outside the fenced area, potentially exposing data. The vulnerability is documented in AMD SB-1027 with platform-specific mitigations (e.g., Raven Ridge AM4 family),...

CVE-2021-26368

CVE-2021-26368 is an AMD firmware/Trusted OS issue where insufficient process-type checking can allow a less-privileged process to unmap memory owned by a higher-privileged process, causing denial of service. The AMD advisory (AMD-SB-1027) and related CVE table map this to multiple AMD Ryzen plat...

CVE-2021-26366

CVE-2021-26366 is documented by AMD in AMD-SB-1027 as a vulnerability where an attacker with elevated privileges could read data from Boot ROM, compromising system integrity. The AMD bulletin lists CVE-2021-26366 under desktop/mobile/server SKUs and ties it to AGESA PI firmware fixes. Mitigation:...

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-2021-26386

CVE-2021-26386 describes a vulnerability where a malicious or compromised UApp or ABL can issue a malformed system call to the Stage 2 Bootloader, potentially causing memory corruption and code execution. AMD’s AMD-SB-1027 bulletin lists this CVE among a set of AMD platform risks and maps it to a...

CVE-2021-26369

CVE-2021-26369 : AMD systems vulnerable when a malicious or compromised UApp or ABL sends a malformed system call to the bootloader, causing out-of-bounds memory accesses in the AMD System Management Unit/boot path. The AMD bulletin AMD-SB-1027 aggregates this with multiple platform family mitiga...

CVE-2023-20597

CVE-2023-20597 concerns improper initialization of variables in the AMD DXE driver, leading to potential local-information disclosure. The vulnerability is discussed across multiple sources (AMD/SB-4007 and related advisories), which describe memory-leak risks in the DXE driver and note mitigatio...

CVE-2021-26317

CVE-2021-26317: The AMD SMM protocol verification failure allows an attacker to take control of the SMM protocol and modify SPI flash, potentially enabling arbitrary code execution. Public documentation ties this to AMD’s SMM/ASP/SEV family and lists it among AMD client vulnerabilities with a hig...

CVE-2021-26351

CVE-2021-26351 corresponds to an insufficient DRAM address validation vulnerability in the AMD System Management Unit (SMU), which may allow a DMA read/write to an invalid DRAM address and cause a denial of service. Connected AMD advisories (AMD-SB-1027) map this issue to AMD platforms across des...

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-2021-26336

CVE-2021-26336 concerns AMD System Management Unit (SMU) with insufficient bounds checking that can cause invalid memory accesses/updates, leading to an SMU hang and the system may fail to service further requests from other components. Multiple sources confirm the issue under the SMU and referen...

CVE-2023-20594

CVE-2023-20594 concerns the AMD DXE driver. The root cause is improper initialization of variables in the DXE driver, which may allow a privileged local user to leak sensitive information. Impact is information disclosure with local access; attack vector is local. The vulnerability affects AMD DX...

CVE-2021-26337

The CVE-2021-26337 issue is an AMD SMU (System Management Unit) DRAM address validation flaw. It can permit a DMA read from an invalid DRAM address into SRAM, causing the SMU to stop servicing further requests. Mitigations are provided by AMD/AGSIA: update to the specified AGESA PI software versi...