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-2021-26316

CVE-2021-26316 describes a BIOS-level input/communication buffer validation flaw in AMD platforms that may allow a local attacker with low privileges to tamper BIOS buffers and trigger SMM (System Management Mode) arbitrary code execution. Connected sources confirm the root cause is inadequate va...

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-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-2021-26366

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-2021-26382

CVE-2021-26382 affects AMD ACP firmware image validation: an attacker with root privileges can load any legitimately signed firmware image into the Audio Co-Processor, bypassing key restrictions and potentially causing a denial of service. Affected platforms span AMD Ryzen desktop/mobile families...

CVE-2023-20579

CVE-2023-20579 involves improper access control in the AMD SPI protection feature. A local Ring0 (kernel mode) user could bypass protections, potentially affecting integrity and availability. Connected documents confirm this is an AMD SPI protection flaw and cite multiple advisories (NVD, Red Hat...

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-2021-26361

The CVE-2021-26361 vulnerability affects AMD ASP/AGESA Boot Loader where a malicious or compromised UApp or ABL could exfiltrate arbitrary memory from the ASP stage 2 bootloader, leading to information disclosure. The issue is tied to the boot firmware stack (AGESA PI) across multiple AMD platfor...

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-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-2021-26317

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-2021-26362

Summary: CVE-2021-26362 describes a vulnerability in AMD System Management Unit (SMU) where a malicious or compromised UApp/ABL can issue a malformed system call to map sensitive SMN registers, potentially compromising integrity and availability. The CVE is associated with AMD platforms and is mi...

CVE-2021-26384

CVE-2021-26384 is a vulnerability described as a malformed System Management Interface (SMI) command that can corrupt the SMI Trigger Info data structure, potentially enabling out-of-bounds memory reads/writes when an SMI is triggered. The AMD ADM/AMD-SB-1027 bulletin lists this CVE among others ...

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-2023-20559

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...