kernel: security bypass in certs/blacklist.c and certs/system_keyring.c

A flaw was found in the Linux kernel in certs/blacklist.c, When signature entries for EFICERTX509GUID are contained in the Secure Boot Forbidden Signature Database, the entries are skipped. This can cause a security threat and breach system integrity, confidentiality and even lead to a denial of...

fwupd security update

An update is available for fwupd. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The fwupd packages provide a service that allows session software to update...

RHEL 8 : fwupd (RHSA-2021:2566)

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2021:2566 advisory. The fwupd packages provide a service that allows session software to update device firmware. Security Fixes: grub2: acpi command allows...

BIOS Disconnect: New High-Severity Bugs Affect 128 Dell PC and Tablet Models

Cybersecurity researchers on Thursday disclosed a chain of vulnerabilities affecting the BIOSConnect feature within Dell Client BIOS that could be abused by a privileged network adversary to gain arbitrary code execution at the BIOS/UEFI level of the affected device. "As the attacker has the...

30M Dell Devices at Risk for Remote BIOS Attacks, RCE

UPDATE A high-severity series of four vulnerabilities can allow remote adversaries to gain arbitrary code execution in the pre-boot environment on Dell devices, researchers said. They affect an estimated 30 million individual Dell endpoints worldwide. According to an analysis from Eclypsium, the...

Ubuntu: Security Advisory (USN-4992-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2021 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...

USN-4992-1: GRUB 2 vulnerabilities

Máté Kukri discovered that the acpi command in GRUB 2 allowed privileged users to load crafted ACPI tables when secure boot is enabled. An attacker could use this to bypass UEFI Secure Boot restrictions. CVE-2020-14372 Chris Coulson discovered that the rmmod command in GRUB 2 contained a use-...

Ubuntu 18.04 LTS / 20.04 LTS : GRUB 2 vulnerabilities (USN-4992-1)

The remote Ubuntu 18.04 LTS / 20.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-4992-1 advisory. Mt Kukri discovered that the acpi command in GRUB 2 allowed privileged users to load crafted ACPI tables when secure boot is enabled. An...

[ASA-202106-43] grub: multiple issues

Arch Linux Security Advisory ASA-202106-43 ========================================== Severity: Medium Date : 2021-06-15 CVE-ID : CVE-2020-14372 CVE-2020-25632 CVE-2020-25647 CVE-2020-27749 CVE-2020-27779 CVE-2021-20225 CVE-2021-20233 Package : grub Type : multiple issues Remote : No Link :...

SUSE SLES11 Security Update : grub2 (SUSE-SU-2021:14659-1)

The remote SUSE Linux SLES11 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2021:14659-1 advisory. - The grubext2readblock function in fs/ext2.c in GNU GRUB before 2013-11-12, as used in shlr/grub/fs/ext2.c in radare2 1.5.0, allows remote...

SUSE SLES11 Security Update : shim (SUSE-SU-2020:14490-1)

The remote SUSE Linux SLES11 host has a package installed that is affected by a vulnerability as referenced in the SUSE- SU-2020:14490-1 advisory. - 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...

SUSE SLES11 Security Update : grub2 (SUSE-SU-2020:14440-1)

The remote SUSE Linux SLES11 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2020:14440-1 advisory. - 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. Th...

SUSE: Security Advisory (SUSE-SU-2021:14659-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2021 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...

SUSE: Security Advisory (SUSE-SU-2020:2629-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2021 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...

SUSE: Security Advisory (SUSE-SU-2020:2160-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2021 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...

SUSE: Security Advisory (SUSE-SU-2020:2158-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2021 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...

Huawei EulerOS: Security Advisory for grub2 (EulerOS-SA-2021-1927)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2021 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 2.0 SP9 : grub2 (EulerOS-SA-2021-1948)

According to the versions of the grub2 packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - A flaw was found in grub2 in versions prior to 2.06. The cutmem command does not honor secure boot locking allowing an privileged attacker to...

Huawei EulerOS: Security Advisory for grub2 (EulerOS-SA-2021-1900)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2021 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...

RHEL 8 : shim (RHSA-2021:1734)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:1734 advisory. The shim package contains a first-stage UEFI boot loader that handles chaining to a trusted full boot loader under secure boot environments...