Ryzen™ 3000 series desktop processors “matisse” am4

This hub aggregates every CVE we track for Ryzen™ 3000 series desktop processors “matisse” am4, a product in the hardware firmware space. Use it to gauge the current risk picture and drill into individual advisories.

Severity distribution

Monthly trend

The 11 most recently published vulnerabilities affecting Ryzen™ 3000 series desktop processors “matisse” am4.

• CVE-2023-20555Insufficient input validation in CpmDisplayFeatureSmm may allow an attacker to corrupt SMM memory by overwriting an arbitrary bit in an attacker-controlled pointer potentially leading to arbitrary ...7.8Aug 8, 2023
• CVE-2023-20593An issue in “Zen 2” CPUs, under specific microarchitectural circumstances, may allow an attacker to potentially access sensitive information.5.5Jul 24, 2023
• CVE-2021-46794Insufficient bounds checking in ASP (AMD Secure Processor) may allow for an out of bounds read in SMI (System Management Interface) mailbox checksum calculation triggering a data abort, resulting i...7.5May 9, 2023
• CVE-2021-46773Insufficient input validation in ABL may enable a privileged attacker to corrupt ASP memory, potentially resulting in a loss of integrity or code execution. 8.8May 9, 2023
• CVE-2021-46756Insufficient validation of inputs in SVC_MAP_USER_STACK in the ASP (AMD Secure Processor) bootloader may allow an attacker with a malicious Uapp or ABL to send malformed or invalid syscall to the b...9.1May 9, 2023
• CVE-2021-46755Failure to unmap certain SysHub mappings in error paths of the ASP (AMD Secure Processor) bootloader may allow an attacker with a malicious bootloader to exhaust the SysHub resources resulting in a...7.5May 9, 2023
• CVE-2021-46749Insufficient bounds checking in ASP (AMD Secure Processor) may allow for an out of bounds read in SMI (System Management Interface) mailbox checksum calculation triggering a data abort, resulting i...7.5May 9, 2023
• CVE-2021-26406Insufficient validation in parsing Owner's Certificate Authority (OCA) certificates in SEV (AMD Secure Encrypted Virtualization) and SEV-ES user application can lead to a host crash potentially res...7.5May 9, 2023
• CVE-2021-26371A compromised or malicious ABL or UApp could send a SHA256 system call to the bootloader, which may result in exposure of ASP memory to userspace, potentially leading to information disclosure. ...5.5May 9, 2023
• CVE-2021-26356A TOCTOU in ASP bootloader may allow an attacker to tamper with the SPI ROM following data read to memory potentially resulting in S3 data corruption and information disclosure. 7.4May 9, 2023
• CVE-2021-26354Insufficient bounds checking in ASP may allow an attacker to issue a system call from a compromised ABL which may cause arbitrary memory values to be initialized to zero, potentially leading to a l...5.5May 9, 2023