CVE-2020-26541: Undefined Security Weakness

The Linux kernel through 5.8.13 does not properly enforce the Secure Boot Forbidden Signature Database aka dbx protection mechanism. This affects certs/blacklist.c and certs/systemkeyring.c...

VulnCheck KEV: CVE-2020-10713

A flaw was found in grub2, prior to version 2.06. An attacker may use the GRUB 2 flaw to hijack and tamper the GRUB verification process. This flaw also allows the bypass of Secure Boot protections. In order to load an untrusted or modified kernel, an attacker would first need to establish access...

grub2: Crafted grub.cfg file can lead to arbitrary code execution during boot process

A flaw was found in grub2, prior to version 2.06. An attacker may use the GRUB 2 flaw to hijack and tamper the GRUB verification process. This flaw also allows the bypass of Secure Boot protections. In order to load an untrusted or modified kernel, an attacker would first need to establish access...

Huawei EulerOS: Security Advisory for dbxtool (EulerOS-SA-2020-2029)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2020 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...

EulerOS Virtualization for ARM 64 3.0.6.0 : grub2 (EulerOS-SA-2020-2000)

According to the versions of the grub2 packages installed, the EulerOS Virtualization for ARM 64 installation on the remote host is affected by the following vulnerabilities : - Integer overflows were discovered in the functions grubcmdinitrd and grubinitrdinit in the efilinux component of GRUB2,...

Huawei EulerOS: Security Advisory for grub2 (EulerOS-SA-2020-2000)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2020 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...

An issue was discovered in drivers/acpi/acpi_configfs.c in the Linux kernel before 5.7.7. Injection of malicious ACPI tables via configfs could be used by attackers to bypass lockdown and secure boot restrictions aka CID-75b0cea7bf30.

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CVE-2019-1736

A vulnerability in the firmware of the Cisco UCS C-Series Rack Servers could allow an authenticated, physical attacker to bypass Unified Extensible Firmware Interface UEFI Secure Boot validation checks and load a compromised software image on an affected device. The vulnerability is due to improp...

CVE-2019-1736

A vulnerability in the firmware of the Cisco UCS C-Series Rack Servers could allow an authenticated, physical attacker to bypass Unified Extensible Firmware Interface UEFI Secure Boot validation checks and load a compromised software image on an affected device. The vulnerability is due to improp...

Input validation

A vulnerability in the firmware of the Cisco UCS C-Series Rack Servers could allow an authenticated, physical attacker to bypass Unified Extensible Firmware Interface UEFI Secure Boot validation checks and load a compromised software image on an affected device. The vulnerability is due to improp...

CVE-2019-1736

Cisco UCS C-Series Rack Servers are affected by a UEFI Secure Boot bypass vulnerability (CVE-2019-1736) arising from improper validation of server firmware upgrade images. An authenticated, physical attacker could install a firmware version that disables UEFI Secure Boot, bypasses signature valid...

CVE-2019-1736 Multiple Cisco UCS-Based Products UEFI Secure Boot Bypass Vulnerability

A vulnerability in the firmware of the Cisco UCS C-Series Rack Servers could allow an authenticated, physical attacker to bypass Unified Extensible Firmware Interface UEFI Secure Boot validation checks and load a compromised software image on an affected device. The vulnerability is due to improp...

CVE-2019-1736 Multiple Cisco UCS-Based Products UEFI Secure Boot Bypass Vulnerability

A vulnerability in the firmware of the Cisco UCS C-Series Rack Servers could allow an authenticated, physical attacker to bypass Unified Extensible Firmware Interface UEFI Secure Boot validation checks and load a compromised software image on an affected device. The vulnerability is due to improp...

CVE-2019-1736: Improper Verification of Cryptographic Signature

A vulnerability in the firmware of the Cisco UCS C-Series Rack Servers could allow an authenticated, physical attacker to bypass Unified Extensible Firmware Interface UEFI Secure Boot validation checks and load a compromised software image on an affected device. The vulnerability is due to improp...

Security Advisory - Buffer Overflow Vulnerability BootHole in GRUB2 Secure Boot

Eclypsium researchers have discovered a vulnerability named“BootHole”in the GRUB2 bootloader. There is a buffer overflow vulnerability that can be used to gain arbitrary code execution during the boot process, even when Secure Boot is enabled. Attackers exploiting this vulnerability can install...

Moderate: Red Hat Security Advisory: kernel security and bug fix update

An update for kernel is now available for Red Hat Enterprise Linux 7.4 Advanced Update Support, Red Hat Enterprise Linux 7.4 Telco Extended Update Support, and Red Hat Enterprise Linux 7.4 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impac...

PT-2020-13626 · Espressif · Esp32

Name of the Vulnerable Software and Affected Versions: ESP32 affected versions not specified Description: The issue concerns bypassing Secure Boot and Flash Encryption on ESP32 chips. It allows extracting decrypted flash data from a fully protected ESP32 chip using chip-level weaknesses, without...

PT-2020-6586

Name of the Vulnerable Software and Affected Versions grub2 versions prior to 2.06 Description A flaw was found in the rmmod implementation of grub2, allowing the unloading of a module used as a dependency without checking if any other dependent module is still loaded, leading to a use-after-free...

SUSE-SU-2020:14490-1 Security update for shim

This update for shim fixes the following issues: Update to the unified shim binary from SUSE Linux Enterprise 15-SP1 bsc1168994 This update addresses the 'BootHole' security issue master CVE CVE-2020-10713, by disallowing binaries signed by the previous SUSE UEFI signing key from booting. This...

PT-2020-5371 · Linux +9 · Linux Kernel +9

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 5.8.13 Description: The issue is related to incorrect cryptographic signature verification in the Linux kernel. This could allow an attacker to impact the confidentiality, integrity, and availability of protecte...