Amd Ryzen Series vulnerabilities

CVE-2021-26384 [HIGH] CWE-125 CVE-2021-26384: A malformed SMI (System Management Interface) command may allow an attacker to establish a corrupted 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 triggering an SMI resulting in a potential loss of resources.

CVE-2021-26382 [MEDIUM] CVE-2021-26382: An attacker with root account privileges can load any legitimately signed firmware image into the Au 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 authenticating an ACP firmware image, potentially resulting in a denial of service.

CVE-2021-26386 [HIGH] CWE-787 CVE-2021-26386: A malicious or compromised UApp or ABL may be used by an attacker to issue a malformed system call t 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.

CVE-2021-26366 [HIGH] CVE-2021-26366: An attacker, who gained elevated privileges via some other vulnerability, may be able to read data f 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.

CVE-2021-26362 [HIGH] CVE-2021-26362: A malicious or compromised UApp or ABL may be used by an attacker to issue a malformed system call w 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 integrity and availability.

CVE-2021-26317 [HIGH] CVE-2021-26317: Failure to verify the protocol in SMM may allow an attacker to control the protocol and modify SPI f 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.

CVE-2021-26369 [HIGH] CWE-119 CVE-2021-26369: A malicious or compromised UApp or ABL may be used by an attacker to send a malformed system call to 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.

CVE-2021-26351 [MEDIUM] CWE-20 CVE-2021-26351: Insufficient DRAM address validation in System Management Unit (SMU) may result in a DMA (Direct Mem 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.

CVE-2021-26368 [MEDIUM] CWE-345 CVE-2021-26368: Insufficient check of the process type in Trusted OS (TOS) may allow an attacker with privileges to 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 a denial of service.

CVE-2021-26361 [MEDIUM] CVE-2021-26361: A malicious or compromised User Application (UApp) or AGESA Boot Loader (ABL) could be used by an at 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 information disclosure.

CVE-2021-26363 [MEDIUM] CVE-2021-26363: A malicious or compromised UApp or ABL could potentially change the value that the ASP uses for its 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.

CVE-2021-26378 [MEDIUM] CWE-119 CVE-2021-26378: Insufficient bound checks in the System Management Unit (SMU) may result in access to an invalid add 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.

CVE-2021-26388 [MEDIUM] CWE-125 CVE-2021-26388: Improper validation of the BIOS directory may allow for searches to read beyond the directory table 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.

CVE-2021-26339 [MEDIUM] CVE-2021-26339: A bug in AMD CPU’s core logic may allow for an attacker, using specific code from an unprivileged VM 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 code includes a specific x86 instruction sequence that would not be generated by compilers.

CVE-2021-26373 [MEDIUM] CWE-20 CVE-2021-26373: Insufficient bound checks in the System Management Unit (SMU) may result in a system voltage malfunc 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.

CVE-2021-26375 [MEDIUM] CVE-2021-26375: Insufficient General Purpose IO (GPIO) bounds check in System Management Unit (SMU) may result in ac 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.

CVE-2021-26372 [MEDIUM] CWE-119 CVE-2021-26372: Insufficient bound checks related to PCIE in the System Management Unit (SMU) may result in access t 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.

CVE-2021-26376 [MEDIUM] CVE-2021-26376: Insufficient checks in System Management Unit (SMU) FeatureConfig may result in reenabling features Insufficient checks in System Management Unit (SMU) FeatureConfig may result in reenabling features potentially resulting in denial of resources and/or denial of service.

CVE-2021-26352 [MEDIUM] CWE-119 CVE-2021-26352: Insufficient bound checks in System Management Unit (SMU) PCIe Hot Plug table may result in access/u 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.

CVE-2021-26390 [MEDIUM] CVE-2021-26390: A malicious or compromised UApp or ABL may coerce the bootloader into corrupting arbitrary memory po A malicious or compromised UApp or ABL may coerce the bootloader into corrupting arbitrary memory potentially leading to loss of integrity of data.