CVE-2023-20578

A TOCTOU Time-Of-Check-Time-Of-Use in SMM may allow an attacker with ring0 privileges and access to the BIOS menu or UEFI shell to modify the communications buffer potentially resulting in arbitrary code execution...

CVE-2023-20518

Incomplete cleanup in the ASP may expose the Master Encryption Key MEK to a privileged attacker with access to the BIOS menu or UEFI shell and a memory exfiltration vulnerability, potentially resulting in loss of confidentiality...

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-2021-26387

Insufficient access controls in ASP kernel may allow a privileged attacker with access to AMD signing keys and the BIOS menu or UEFI shell to map DRAM regions in protected areas, potentially leading to a loss of platform integrity...

CVE-2023-20518

Incomplete cleanup in the ASP may expose the Master Encryption Key MEK to a privileged attacker with access to the BIOS menu or UEFI shell and a memory exfiltration vulnerability, potentially resulting in loss of confidentiality...

CVE-2023-20518

CVE-2023-20518 describes an incomplete cleanup in the AMD Secure Processor (ASP) that could expose the Master Encryption Key (MEK) to a privileged attacker with BIOS/UEFI access, leading to potential confidentiality loss. The vulnerability spans ASP, SEV, and SEV-SNP related firmware; exploitatio...

CVE-2023-20518

Incomplete cleanup in the ASP may expose the Master Encryption Key MEK to a privileged attacker with access to the BIOS menu or UEFI shell and a memory exfiltration vulnerability, potentially resulting in loss of confidentiality...

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

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...

CVE-2021-26387

CVE-2021-26387 describes insufficient access controls in the AMD ASP kernel that could allow a privileged attacker with access to AMD signing keys and BIOS/UEFI shell to map DRAM regions into protected areas, risking platform integrity. Public documents indicate this CVE is tracked within AMD sec...

CVE-2021-26387

Insufficient access controls in ASP kernel may allow a privileged attacker with access to AMD signing keys and the BIOS menu or UEFI shell to map DRAM regions in protected areas, potentially leading to a loss of platform integrity...

CVE-2021-26387

Insufficient access controls in ASP kernel may allow a privileged attacker with access to AMD signing keys and the BIOS menu or UEFI shell to map DRAM regions in protected areas, potentially leading to a loss of platform integrity...

Huawei PC Manager Access Control Error Vulnerability

Huawei PC Manager is a computer management application from Huawei China. An Access Control Error vulnerability exists in Huawei PC Manager, which stems from improper interface access control, and can be exploited by an attacker to launch a UEFI shell and cause a memory leak...

Security Advisory - Vulnerability of Improper Interface Access Control in a Huawei PC Product

A Huawei PC product has a vulnerability in improper interface access control. Successful exploitation of this vulnerability may cause SMM leaks. Attackers can exploit this vulnerability to boot the UEFI shell and cause memory leaks.Vulnerability ID:HWPSIRT-2023-64955 This vulnerability has been...

Lenovo: CVE-2024-23593 Modify Boot Manager and Escalate Privileges

...

SUSE CVE-2023-48733

An insecure default to allow UEFI Shell in EDK2 was left enabled in Ubuntu's EDK2. This allows an OS-resident attacker to bypass Secure Boot...

USN-6638-1: EDK II vulnerabilities

Marc Beatove discovered buffer overflows exit in EDK2. An attacker on the local network could potentially use this to impact availability or possibly cause remote code execution. CVE-2022-36763, CVE-2022-36764, CVE-2022-36765 It was discovered that a buffer overflows exists in EDK2's Network...

Ubuntu 20.04 LTS / 22.04 LTS / 23.10 : EDK II vulnerabilities (USN-6638-1)

The remote Ubuntu 20.04 LTS / 22.04 LTS / 23.10 host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-6638-1 advisory. Marc Beatove discovered buffer overflows exit in EDK2. An attacker on the local network could potentially use this to impact...

Debian dsa-5624 : ovmf - security update

The remote Debian 11 / 12 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-5624 advisory. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 - ------------------------------------------------------------------------- Debian Security Advisory DSA-5624...