CVE-2021-26356

CVE-2021-26356 describes a TOCTOU vulnerability in the ASP bootloader that can allow tampering with the SPI ROM after memory reads, potentially causing S3 data corruption and information disclosure in AMD Secure Processor/ASP boot scenarios. Affected components include the ASP bootloader within A...

CVE-2021-26356

A 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...

CVE-2021-26354

Insufficient 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 loss of integrity...

CVE-2021-26354

Insufficient 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 loss of integrity...

CVE-2021-26354

CVE-2021-26354 affects AMD’s ASP/Bootloader pathway (ASP/ABL) with Insufficient bounds checking that may allow a system call from a compromised ABL, initializing arbitrary memory to zero and potentially compromising integrity. The vulnerability is documented across multiple sources (NVD entry and...

CVE-2023-20520

Improper access control settings in ASP Bootloader may allow an attacker to corrupt the return address causing a stack-based buffer overrun potentially leading to arbitrary code execution...

CVE-2023-20524

CVE-2023-20524 affects the AMD Secure Processor (ASP) and AMD System Management Unit (SMU). The vulnerability description states that a compromised ASP could send malformed commands to an ASP on another CPU, causing an out-of-bounds write and potentially a loss of integrity. Public references in ...

CVE-2023-20524

An attacker with a compromised ASP could possibly send malformed commands to an ASP on another CPU, resulting in an out of bounds write, potentially leading to a loss a loss of integrity...

CVE-2023-20524

An attacker with a compromised ASP could possibly send malformed commands to an ASP on another CPU, resulting in an out of bounds write, potentially leading to a loss a loss of integrity...

CVE-2023-20520

CVE-2023-20520 affects the AMD Secure Processor (ASP) Bootloader. The issue is described as improper access control in the ASP Bootloader which may allow an attacker to corrupt the return address, causing a stack-based buffer overrun and potentially arbitrary code execution. Connected sources ide...

CVE-2021-46769

Insufficient syscall input validation in the ASP Bootloader may allow a privileged attacker to execute arbitrary DMA copies, which can lead to code execution...

CVE-2021-46769

CVE-2021-46769 affects the AMD ASP bootloader (ASP) and allows a privileged attacker to trigger insufficient syscall input validation to perform arbitrary DMA copies, potentially leading to code execution. The AMD AMD-SB-3001 bulletin summarizes the impact as high for this CVE and links remediati...

PT-2023-12579

Name of the Vulnerable Software and Affected Versions ASP affected versions not specified Description The issue is related to insufficient input validation in ASP, which may allow an attacker with a compromised SMM to induce out-of-bounds memory reads within the ASP. This could potentially lead t...

AMD Server Vulnerabilities – May 2023

Bulletin ID: AMD-SB-3001 Potential Impact: Varies by CVE, see descriptions below Severity: Varies by CVE, see descriptions below Summary Potential vulnerabilities in the AMD Secure Processor ASP, AMD System Management Unit SMU, AMD Secure Encrypted Virtualization SEV and other platform components...

Client Vulnerabilities – May 2023

Bulletin ID: AMD-SB-4001 Potential Impact: Varies by CVE, see descriptions below Severity: Varies by CVE, see descriptions below Summary Potential vulnerabilities in AMD Secure Processor ASP, AMD System Management Unit SMU, and other platform components were discovered, and mitigations are being...

PT-2023-12571 · Amd · Asp

Name of the Vulnerable Software and Affected Versions: ASP AMD Secure Processor bootloader affected versions not specified Description: The issue is related to insufficient validation of inputs in the SVC MAP USER STACK component of the ASP bootloader. This may allow an attacker with a malicious...

CVE-2021-46794: Out-of-bounds Read

Insufficient 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 in a potential denial of service...

CVE-2021-46755: Undefined Security Weakness

Failure 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 potential denial of service...

CVE-2021-46749: Out-of-bounds Read

Insufficient 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 in a potential denial of service...

CVE-2021-46756: Improper Input Validation

Insufficient validation of inputs in SVCMAPUSERSTACK 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 bootloader resulting in a potential denial of service and loss of integrity...