Debian: Security Advisory (DLA-368-1)

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

EulerOS 2.0 SP11 : grub2 (EulerOS-SA-2023-1407)

According to the versions of the grub2 packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - A buffer overflow was found in grubfontconstructglyph. A malicious crafted pf2 font can lead to an overflow when calculating the maxglyphsize...

Huawei EulerOS: Security Advisory for grub2 (EulerOS-SA-2023-1422)

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

EulerOS 2.0 SP11 : grub2 (EulerOS-SA-2023-1422)

According to the versions of the grub2 packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - A buffer overflow was found in grubfontconstructglyph. A malicious crafted pf2 font can lead to an overflow when calculating the maxglyphsize...

Huawei EulerOS: Security Advisory for grub2 (EulerOS-SA-2023-1407)

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

Fedora: Security Advisory for grub2-breeze-theme (FEDORA-2023-e31c3e4b6c)

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...

Fedora 37 : bluedevil / breeze-gtk / flatpak-kcm / grub2-breeze-theme / etc (2023-e31c3e4b6c)

The remote Fedora 37 host has packages installed that are affected by a vulnerability as referenced in the FEDORA-2023-e31c3e4b6c advisory. Plasma 5.27.1 ---- Add patch to disable global shortcuts at login for the SDDM Plasma Wayland configuration 2171332 Tenable has extracted the preceding...

grub2 bug fix and enhancement update

An update is available for grub2. 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 grub2 packages provide version 2 of the Grand Unified Boot Loader GRUB, a...

K48187630: Multiple grub2 vulnerabilities

Security Advisory Description CVE-2020-14308 In grub2 versions before 2.06 the grub memory allocator doesn't check for possible arithmetic overflows on the requested allocation size. This leads the function to return invalid memory allocations which can be further used to cause possible integrity...

K42232641: GRUB2 vulnerability CVE-2020-10713

Security Advisory Description 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...

K25901386: GRUB2 vulnerability CVE-2015-8370

Security Advisory Description Multiple integer underflows in Grub2 1.98 through 2.02 allow physically proximate attackers to bypass authentication, obtain sensitive information, or cause a denial of service disk corruption via backspace characters in the 1 grubusernameget function in...

grub2 security update

An update is available for grub2. This update affects Rocky Linux 9. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The grub2 packages provide version 2 of the Grand Unified Boot Loader GRUB, a...

RLSA-2023:0752 Moderate: grub2 security update

The grub2 packages provide version 2 of the Grand Unified Boot Loader GRUB, a highly configurable and customizable boot loader with modular architecture. The packages support a variety of kernel formats, file systems, computer architectures, and hardware devices. Security Fixes: grub2: Buffer...

Rocky Linux 9 : grub2 (RLSA-2023:0752)

The remote Rocky Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2023:0752 advisory. - A buffer overflow was found in grubfontconstructglyph. A malicious crafted pf2 font can lead to an overflow when calculating the maxglyphsize value,...

SUSE CVE-2020-14310

There is an issue on grub2 before version 2.06 at function readsectionasstring. It expects a font name to be at max UINT32MAX - 1 length in bytes but it doesn't verify it before proceed with buffer allocation to read the value from the font value. An attacker may leverage that by crafting a...

SUSE CVE-2020-14309

There's an issue with grub2 in all versions before 2.06 when handling squashfs filesystems containing a symbolic link with name length of UINT32 bytes in size. The name size leads to an arithmetic overflow leading to a zero-size allocation further causing a heap-based buffer overflow with attacke...

SUSE CVE-2020-15705

GRUB2 fails to validate kernel signature when booted directly without shim, allowing secure boot to be bypassed. This only affects systems where the kernel signing certificate has been imported directly into the secure boot database and the GRUB image is booted directly without the use of shim...

SUSE CVE-2020-25632

A flaw was found in grub2 in versions prior to 2.06. The rmmod implementation allows 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 scenario. This could allow arbitrary code to be executed or a bypass of...

SUSE CVE-2021-20233

A flaw was found in grub2 in versions prior to 2.06. Setparamprefix in the menu rendering code performs a length calculation on the assumption that expressing a quoted single quote will require 3 characters, while it actually requires 4 characters which allows an attacker to corrupt memory by one...

SUSE CVE-2021-46705

A Insecure Temporary File vulnerability in grub-once of grub2 in SUSE Linux Enterprise Server 15 SP4, openSUSE Factory allows local attackers to truncate arbitrary files. This issue affects: SUSE Linux Enterprise Server 15 SP4 grub2 versions prior to 2.06-150400.7.1. SUSE openSUSE Factory grub2...