CVE-2021-26398

CVE-2021-26398 affects the AMD Secure Processor (ASP) via insufficient input validation in SYS_KEY_DERIVE. A compromised user application or ABL may corrupt ASP OS memory, potentially enabling arbitrary code execution. Public details identify the vulnerability and associated risk to ASP/firmware,...

CVE-2021-26396

The CVE-2021-26396 issue affects the AMD Secure Processor (ASP) where insufficient validation of address mapping to IO can lead to loss of memory integrity in the SNP guest. The entry is supported by multiple sources (NVD/NCSC AMD SB) detailing the vulnerability and its scope across AMD EPYC gene...

CVE-2021-26396

Insufficient validation of address mapping to IO in ASP AMD Secure Processor may result in a loss of memory integrity in the SNP guest...

CVE-2021-26346

Failure to validate the integer operand in ASP AMD Secure Processor bootloader may allow an attacker to introduce an integer overflow in the L2 directory table in SPI flash resulting in a potential denial of service...

PT-2023-1403 · Amd · Amd Secure Processor

Name of the Vulnerable Software and Affected Versions: AMD Secure Processor ASP affected versions not specified Description: The issue is related to insufficient input validation in the ASP, which may allow an attacker with physical access to gain unauthorized write access to memory. This could...

PT-2023-1488 · Amd · Amd System Management Unit +2

Name of the Vulnerable Software and Affected Versions: AMD Secure Processor ASP affected versions not specified AMD System Management Unit SMU affected versions not specified AMD Secure Encrypted Virtualization SEV affected versions not specified Description: The issue is related to errors in...

AMD Client Vulnerabilities – January 2023

Bulletin ID: AMD-SB-1031 Potential Impact: Varies by CVE, see descriptions below Severity: Varies by CVE, see descriptions below Summary In collaboration with various third parties, AMD platforms were audited for potential security exposures. Potential vulnerabilities in AMD Secure Processor ASP,...

Schneider Electric EcoStruxure Control Expert, Process Expert, Modicon M340, M580 and M580 CPU (Update A)

1. EXECUTIVE SUMMARY CVSS v3 8.1 ATTENTION: Exploitable remotely Vendor: Schneider Electric Equipment: EcoStruxure Control Expert, EcoStruxure Process Expert, Modicon M340 CPU, Modicon M580 CPU, Modicon Momentum Unity M1E Processor, Modicon MC80 Vulnerability: Authentication Bypass by...

PT-2023-1402 · Amd · Amd Bios +1

Name of the Vulnerable Software and Affected Versions: AMD BIOS affected versions not specified Description: The issue is related to insufficient validation in ASP BIOS and DRTM commands, which may allow malicious supervisor x86 software to disclose the contents of sensitive memory, resulting in...

PT-2023-1412 · Amd · Amd Secure Processor

Name of the Vulnerable Software and Affected Versions: AMD Secure Processor ASP affected versions not specified Description: The issue is related to insufficient input validation in the SYS KEY DERIVE system call, which can be exploited by an attacker to corrupt AMD Secure Processor ASP OS memory...

PT-2023-1407 · Amd · Amd Bios

Name of the Vulnerable Software and Affected Versions: AMD BIOS software affected versions not specified Description: The issue is related to a buffer overflow in the memory of AMD processor security microcode, potentially allowing a remote attacker to disclose protected information. It involves...

PT-2023-1482 · Amd · Amd System Management Unit +1

Name of the Vulnerable Software and Affected Versions: AMD Secure Processor ASP and System Management Unit SMU affected versions not specified Description: The issue is related to the software interfaces of ASP and SMU, which may not properly enforce the SNP memory security policy. This could lea...

PT-2023-12087 · Amd · Amd Secure Processor

Name of the Vulnerable Software and Affected Versions: AMD Secure Processor affected versions not specified Description: The issue is related to the failure to validate the integer operand in the ASP bootloader, which may allow an attacker to introduce an integer overflow in the L2 directory tabl...

PT-2023-12585 · Amd · Amd Secure Processor

Name of the Vulnerable Software and Affected Versions: AMD Secure Processor affected versions not specified Description: The issue is related to insufficient input validation in the SVC ECC PRIMITIVE system call. This can be exploited by an attacker in a compromised user application or ABL to...

PT-2023-1408 · Amd · Amd Secure Processor

Name of the Vulnerable Software and Affected Versions: AMD Secure Processor affected versions not specified Description: The issue is related to insufficient validation of address mapping to IO in the AMD Secure Processor, which may result in a loss of memory integrity in the SNP guest. This coul...

PT-2023-1236 · Schneider Electric · Ecostruxure Process Expert +4

Name of the Vulnerable Software and Affected Versions: EcoStruxure Control Expert versions prior to V2020 EcoStruxure Process Expert versions prior to V2020 Modicon M340 CPU versions prior to the latest version Modicon M580 CPU versions prior to the latest version Modicon M580 CPU Safety versions...

PT-2023-1483 · Amd · Amd Secure Processor

Name of the Vulnerable Software and Affected Versions: AMD Secure Processor ASP affected versions not specified Description: The issue is related to a Time-of-Check-to-Time-of-Use TOCTOU vulnerability in the ASP, which may allow a physical attacker to write beyond buffer bounds. This could...

PT-2023-1485 · Amd · Amd Secure Encrypted Virtualization (Sev) Firmware

Name of the Vulnerable Software and Affected Versions: AMD Secure Encrypted Virtualization SEV firmware affected versions not specified Description: The issue is related to improper input validation and bounds checking in the SEV firmware, which may cause a buffer overflow in memory. This could...

PT-2023-1409 · Amd · Amd Processor Security

Name of the Vulnerable Software and Affected Versions: AMD processor security software affected versions not specified Description: The issue is related to insufficient input validation during the parsing of the System Management Mode SMM binary, which may allow a maliciously crafted SMM executab...

AMD Server Vulnerabilities – January 2023

Bulletin ID: AMD-SB-1032 Potential Impact: Varies by CVE, see descriptions below Severity: Varies by CVE, see descriptions below Summary During security reviews in collaboration with Google, Microsoft, and Oracle, potential vulnerabilities in the AMD Secure Processor ASP, AMD System Management Un...