AMD Ryzen™ Series

• CVE-2021-26384 Unrated A malformed SMI (System Management Interface) command may allow an attacker to establish a corrupted SMI Trigger Info data structure, potentially leading to out-of-bounds memory reads and writes when 0.2%
• CVE-2021-26382 Unrated An attacker with root account privileges can load any legitimately signed firmware image into the Audio Co-Processor (ACP,) irrespective of the respective signing key being declared as usable for auth 0.2%
• CVE-2021-26363 Unrated A malicious or compromised UApp or ABL could potentially change the value that the ASP uses for its reserved DRAM, to one outside of the fenced area, potentially leading to data exposure. 0.2%
• CVE-2021-26386 Unrated A malicious or compromised UApp or ABL may be used by an attacker to issue a malformed system call to the Stage 2 Bootloader potentially leading to corrupt memory and code execution. 0.3%
• CVE-2021-26317 Unrated Failure to verify the protocol in SMM may allow an attacker to control the protocol and modify SPI flash resulting in a potential arbitrary code execution. 0.3%
• CVE-2021-26368 Unrated Insufficient check of the process type in Trusted OS (TOS) may allow an attacker with privileges to enable a lesser privileged process to unmap memory owned by a higher privileged process resulting in 0.1%
• CVE-2021-26361 Unrated A malicious or compromised User Application (UApp) or AGESA Boot Loader (ABL) could be used by an attacker to exfiltrate arbitrary memory from the ASP stage 2 bootloader potentially leading to informa 0.2%
• CVE-2021-26362 Unrated A malicious or compromised UApp or ABL may be used by an attacker to issue a malformed system call which results in mapping sensitive System Management Network (SMN) registers leading to a loss of int 0.2%
• CVE-2021-26351 Unrated Insufficient DRAM address validation in System Management Unit (SMU) may result in a DMA (Direct Memory Access) read/write from/to invalid DRAM address that could result in denial of service. 0.2%
• CVE-2021-26366 Unrated An attacker, who gained elevated privileges via some other vulnerability, may be able to read data from Boot ROM resulting in a loss of system integrity. 0.2%
• CVE-2021-26369 Unrated A malicious or compromised UApp or ABL may be used by an attacker to send a malformed system call to the bootloader, resulting in out-of-bounds memory accesses. 0.2%
• CVE-2021-26388 Unrated Improper validation of the BIOS directory may allow for searches to read beyond the directory table copy in RAM, exposing out of bounds memory contents, resulting in a potential denial of service. 0.2%
• CVE-2021-26376 Unrated Insufficient checks in System Management Unit (SMU) FeatureConfig may result in reenabling features potentially resulting in denial of resources and/or denial of service. 0.2%
• CVE-2021-26373 Unrated Insufficient bound checks in the System Management Unit (SMU) may result in a system voltage malfunction that could result in denial of resources and/or possibly denial of service. 0.2%
• CVE-2021-26378 Unrated Insufficient bound checks in the System Management Unit (SMU) may result in access to an invalid address space that could result in denial of service. 0.2%
• CVE-2021-26375 Unrated Insufficient General Purpose IO (GPIO) bounds check in System Management Unit (SMU) may result in access/updates from/to invalid address space that could result in denial of service. 0.2%
• CVE-2021-26372 Unrated Insufficient bound checks related to PCIE in the System Management Unit (SMU) may result in access to an invalid address space that could result in denial of service. 0.2%
• CVE-2021-26339 Unrated A bug in AMD CPU’s core logic may allow for an attacker, using specific code from an unprivileged VM, to trigger a CPU core hang resulting in a potential denial of service. AMD believes the specific c 0.3%
• CVE-2021-26352 Unrated Insufficient bound checks in System Management Unit (SMU) PCIe Hot Plug table may result in access/updates from/to invalid address space that could result in denial of service. 0.2%
• CVE-2021-26390 Unrated A malicious or compromised UApp or ABL may coerce the bootloader into corrupting arbitrary memory potentially leading to loss of integrity of data. 0.2%
• CVE-2021-26337 Unrated Insufficient DRAM address validation in System Management Unit (SMU) may result in a DMA read from invalid DRAM address to SRAM resulting in SMU not servicing further requests. 0.2%
• CVE-2020-12944 Unrated Insufficient validation of BIOS image length by ASP Firmware could lead to arbitrary code execution. 0.3%
• CVE-2021-26335 Unrated 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 0.3%
• CVE-2020-12951 Unrated Race condition in ASP firmware could allow less privileged x86 code to perform ASP SMM (System Management Mode) operations. 0.2%
• CVE-2021-26336 Unrated Insufficient bounds checking in System Management Unit (SMU) may cause invalid memory accesses/updates that could result in SMU hang and subsequent failure to service any further requests from other c 0.2%
• CVE-2020-12946 Unrated Insufficient input validation in ASP firmware for discrete TPM commands could allow a potential loss of integrity and denial of service. 0.2%
• CVE-2021-26312 Unrated 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 los 0.2%