Moderate: Red Hat Security Advisory: grub2 security and bug fix update

An update for grub2, shim, shim-signed, and fwupdate 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...

Moderate: Red Hat Security Advisory: grub2 security and bug fix update

An update for grub2, shim, and shim-signed is now available for Red Hat Enterprise Linux 7.2 Advanced Update Support. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity...

GRUB2 Vulnerability – AKA

Lenovo Security Advisory: LEN-34794 Potential Impact: Escalation of privilege Severity: High Scope of Impact: Industry-wide CVE Identifier: CVE-2020-10713 Summary Description: Lenovo is aware of a vulnerability in GRUB2, an open source bootloader commonly used by Linux, that could allow Secure Bo...

GRUB2 Vulnerability – AKA

No description provided...

grub2, mokutil, shim security update

CentOS Errata and Security Advisory CESA-2020:3217 An update for grub2, shim, shim-signed, and fwupdate is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score,...

Ubuntu: Security Advisory (USN-4432-1)

The remote host is missing an update for the 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...

Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS : GRUB 2 vulnerabilities (USN-4432-1)

The remote Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-4432-1 advisory. Jesse Michael and Mickey Shkatov discovered that the configuration parser in GRUB2 did not properly exit when errors were...

Debian DSA-4735-1 : grub2 - security update

Several vulnerabilities have been discovered in the GRUB2 bootloader. - CVE-2020-10713 A flaw in the grub.cfg parsing code was found allowing to break UEFI Secure Boot and load arbitrary code. Details can be found at https://www.eclypsium.com/2020/07/29/theres-a-hole-in-th e-boot/ - CVE-2020-1430...

Debian: Security Advisory (DSA-4735-1)

The remote host is missing an update for the Debian 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...

Moderate: Red Hat Security Advisory: grub2 security update

An update for grub2, shim, and fwupd is now available for Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity...

Billions of Devices Impacted by Secure Boot Bypass

Billions of Windows and Linux devices are vulnerable to cyberattacks stemming from a bug in the GRUB2 bootloader, researchers are warning. GRUB2 which stands for the GRand Unified Bootloader version 2 is the default bootloader for the majority of computing systems. Its job is to manage part of th...

Moderate: Red Hat Security Advisory: grub2 security and bug fix update

An update for grub2, shim, shim-signed, and fwupdate is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available...

Moderate: Red Hat Security Advisory: grub2 security update

An update for grub2, shim, shim-unsigned-x64, and fwupd is now available for Red Hat Enterprise Linux 8.1 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed...

grub2: Integer overflow in initrd size handling

Integer overflows were discovered in the functions grubcmdinitrd and grubinitrdinit in the efilinux component of GRUB2, as shipped in Debian, Red Hat, and Ubuntu the functionality is not included in GRUB2 upstream, leading to a heap-based buffer overflow. These could be triggered by an extremely...

USN-4432-1: GRUB 2 vulnerabilities

Jesse Michael and Mickey Shkatov discovered that the configuration parser in GRUB2 did not properly exit when errors were discovered, resulting in heap-based buffer overflows. A local attacker could use this to execute arbitrary code and bypass UEFI Secure Boot restrictions. CVE-2020-10713 Chris...

Moderate: Red Hat Security Advisory: grub2 security update

An update for grub2, shim, shim-unsigned-x64, and fwupd is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

CVE-2020-15707

Integer overflows were discovered in the functions grubcmdinitrd and grubinitrdinit in the efilinux component of GRUB2, as shipped in Debian, Red Hat, and Ubuntu the functionality is not included in GRUB2 upstream, leading to a heap-based buffer overflow. These could be triggered by an extremely...

CVE-2020-15707

Integer overflows were discovered in the functions grubcmdinitrd and grubinitrdinit in the efilinux component of GRUB2, as shipped in Debian, Red Hat, and Ubuntu the functionality is not included in GRUB2 upstream, leading to a heap-based buffer overflow. These could be triggered by an extremely...

Integer overflow

Integer overflows were discovered in the functions grubcmdinitrd and grubinitrdinit in the efilinux component of GRUB2, as shipped in Debian, Red Hat, and Ubuntu the functionality is not included in GRUB2 upstream, leading to a heap-based buffer overflow. These could be triggered by an extremely...

CVE-2020-15707

CVE-2020-15707 is a GRUB2 bootloader vulnerability (initrd size handling) causing a heap-based buffer overflow via integer overflow in initrd processing. The flaw affects GRUB2 2.04 and earlier as deployed in multiple distros (Debian, Red Hat, Ubuntu) and can enable arbitrary code execution durin...