Grub2: fs/tar: integer overflow causes heap oob write

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Grub2: read: integer overflow may lead to out-of-bounds write

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Grub2: fs/hfs+: refcount can be decremented twice

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GRUB2 does not call the module fini functions on exit, leading to Debian/Ubuntu's peimage GRUB2 module leaving UEFI system table hooks after exit. This lead to a use-after-free condition, and could possibly lead to secure boot bypass.

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Linux Distros Unpatched Vulnerability : CVE-2023-4693

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - An out-of-bounds read flaw was found on grub2's NTFS filesystem driver. This issue may allow a physically present attacker to present a specially crafted NTFS...

Important Photon OS Security Update - PHSA-2025-4.0-0861

Updates of 'shim-signed', 'grub2' packages of Photon OS have been released...

Linux Distros Unpatched Vulnerability : CVE-2022-3775

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - When rendering certain unicode sequences, grub2's font code doesn't proper validate if the informed glyph's width and height is constrained within bitmap size. ...

SUSE SLED15: grub2 / grub2-arm64-efi / grub2-i386-pc / grub2-powerpc-ieee1275 / etc (SUSE-SU-2025:02813-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2025:02813-1 advisory. - CVE-2024-56738: Fixed side-channel attack due to not constant-time algorithm in grubcryptomemcmp bsc1234959 Other...

EulerOS 2.0 SP13 : grub2 (EulerOS-SA-2025-1976)

According to the versions of the grub2 packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : grub2 allowed attackers with access to the grub shell to access files on the encrypted disks.CVE-2024-49504 Tenable has extracted the preceding...

EulerOS 2.0 SP13 : grub2 (EulerOS-SA-2025-1990)

According to the versions of the grub2 packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : grub2 allowed attackers with access to the grub shell to access files on the encrypted disks.CVE-2024-49504 Tenable has extracted the preceding...

SUSE-SU-2025:02772-1 Recommended update for grub2

This update for grub2 fixes the following issues: - CVE-2024-56738: Fixed side-channel attack due to not constant-time algorithm in grubcryptomemcmp bsc1234959 Other fixes: - Fix test -f and -s do not work properly over the network files served via tftp and http bsc1246157, bsc1246237 - Skip moun...

Huawei EulerOS: Security Advisory for grub2 (EulerOS-SA-2025-1954)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2025 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-2025-1990)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2025 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...

PT-2025-32326 · Undefined · Undefined

📢BREAKING: Critical GRUB2 flaw in SUSE Linux CVE-2025-02724-1 allows Secure Boot bypass. Why it matters: ➤ 78% bootkit surge in 2024 ➤ Requires PHYSICAL access ➤ Patch w/ zypper patch --cve=SUSE-2025-02724-1 Read more: 👉 https://t.co/sNB7l9PO82 https://t.co/wVhCFQETKH...

Grub2: net: out-of-bounds write in grub_net_search_config_file()

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The vulnerability of the BFS file system of the Grub2 operating system, which allows a hacker to trigger a service failure.

The vulnerability of the BFS file system is related to integer overflow. Exploiting this vulnerability can allow an attacker to cause a service failure...

The vulnerability of the hfs loader component in Grub2 operating systems allows a hacker to trigger a service failure.

The vulnerability of the hfs loader component in the Grub operating system is related to writing beyond the boundaries. Exploiting this vulnerability can allow an attacker to cause a service failure...

The vulnerability of the reiserfs loader component in the Grub2 operating system, which allows a hacker to cause a service failure

The vulnerability of the reiserfs driver in operating systems like Grub relates to writing beyond the boundary. Exploiting this vulnerability can allow an attacker to cause a system failure...

The vulnerability of the romfs component in the Grub2 operating system loader allows a hacker to trigger a service failure.

The vulnerability of the romfs component in the operating system Grub involves writing beyond the boundaries. Exploiting this vulnerability can allow an attacker to cause a service failure...

Astra Linux – Vulnerability in grub2

A flaw was discovered in command/gpg. In some scenarios, hooks created by loaded modules are not removed when the related module is unloaded. This flaw allows an attacker to force grub2 to call the hooks once the module that registered them was unloaded, resulting in a use-after-free vulnerabilit...