CVE-2021-46772

Insufficient input validation in the ABL may allow a privileged attacker with access to the BIOS menu or UEFI shell to tamper with the structure headers in SPI ROM causing an out of bounds memory read and write, potentially resulting in memory corruption or denial of service...

CVE-2021-46772

Summary: CVE-2021-46772 describes insufficient input validation in the ABL that may allow a privileged attacker with BIOS/UEFI access to tamper with SPI ROM headers, causing out-of-bounds reads/writes and memory corruption or DoS. The Connected documents provide concrete mitigation details from A...

SUSE: Security Advisory (SUSE-SU-2023:4665-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2023 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

CVE-2021-46773

Insufficient input validation in ABL may enable a privileged attacker to corrupt ASP memory, potentially resulting in a loss of integrity or code execution...

CVE-2021-46760

A malicious or compromised UApp or ABL can send a malformed system call to the bootloader, which may result in an out-of-bounds memory access that may potentially lead to an attacker leaking sensitive information or achieving code execution...

Input validation

Insufficient input validation in ABL may enable a privileged attacker to corrupt ASP memory, potentially resulting in a loss of integrity or code execution...

CVE-2021-46775

Improper input validation in ABL may enable an attacker with physical access, to perform arbitrary memory overwrites, potentially leading to a loss of integrity and code execution...

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-2021-26397

Insufficient address validation, may allow an attacker with a compromised ABL and UApp to corrupt sensitive memory locations potentially resulting in a loss of integrity or availability...

Information disclosure

A 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...

Input validation

Improper input validation in ABL may enable an attacker with physical access, to perform arbitrary memory overwrites, potentially leading to a loss of integrity and code execution...

Authorization

Failure to validate the length fields of the ASP AMD Secure Processor sensor fusion hub headers may allow an attacker with a malicious Uapp or ABL to map the ASP sensor fusion hub region and overwrite data structures leading to a potential loss of confidentiality and integrity...

CVE-2021-46773

CVE-2021-46773 involves insufficient input validation in the AMD bootloader (ABL) that may allow a privileged attacker to corrupt the AMD Secure Processor (ASP) memory, potentially resulting in loss of integrity or code execution. The connected documents provide concrete details: the vulnerabilit...

CVE-2021-46773

Insufficient input validation in ABL may enable a privileged attacker to corrupt ASP memory, potentially resulting in a loss of integrity or code execution...

CVE-2021-46760

CVE-2021-46760 affects AMD Secure Processor (ASP) and AMD System Management Unit (SMU) where a malicious or compromised UApp/ABL can send a malformed system call to the bootloader, causing out-of-bounds memory access and potentially leaking sensitive information or achieving code execution. CVSS ...

CVE-2021-46753

Failure to validate the length fields of the ASP AMD Secure Processor sensor fusion hub headers may allow an attacker with a malicious Uapp or ABL to map the ASP sensor fusion hub region and overwrite data structures leading to a potential loss of confidentiality and integrity...

CVE-2021-26371

A 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...

CVE-2021-26371

The CVE-2021-26371 entry concerns AMD Secure Processor (ASP)/AMD System Management Unit (SMU) where a compromised ABL or UApp could trigger a SHA256 system call to the bootloader, potentially exposing ASP memory to userspace and causing information disclosure. Technical details from connected sou...

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-2021-46775

CVE-2021-46775 is documented as an Improper input validation in the AMD Boot Loader (ABL) that may allow an attacker with physical access to perform arbitrary memory overwrites, potentially causing loss of integrity and code execution. Connected sources confirm this risk applies to AMD Secure Pro...