CVE-2025-4382

A flaw was found in systems utilizing LUKS-encrypted disks with GRUB configured for TPM-based auto-decryption. When GRUB is set to automatically decrypt disks using keys stored in the TPM, it reads the decryption key into system memory. If an attacker with physical access can corrupt the underlyi...

UBUNTU-CVE-2025-37866

In the Linux kernel, the following vulnerability has been resolved: mlxbf-bootctl: use sysfsemitat in securebootfusestateshow A warning is seen when running the latest kernel on a BlueField SOC: 251.512704 ------------ cut here ------------ 251.512711 invalid sysfsemit: buf:0000000003aa32ae...

CVE-2025-37866 mlxbf-bootctl: use sysfs_emit_at() in secure_boot_fuse_state_show()

In the Linux kernel, the following vulnerability has been resolved: mlxbf-bootctl: use sysfsemitat in securebootfusestateshow A warning is seen when running the latest kernel on a BlueField SOC: 251.512704 ------------ cut here ------------ 251.512711 invalid sysfsemit: buf:0000000003aa32ae...

CVE-2025-37866

In the Linux kernel, the following vulnerability has been resolved: mlxbf-bootctl: use sysfsemitat in securebootfusestateshow A warning is seen when running the latest kernel on a BlueField SOC: 251.512704 ------------ cut here ------------ 251.512711 invalid sysfsemit: buf:0000000003aa32ae...

PT-2025-20516 · Linux +1 · Linux Kernel +1

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A warning occurs when running the latest kernel on a BlueField SOC due to the mlxbf-bootctl driver invoking sysfs emit with a buffer pointer that is not aligned to the start of the pag...

Cisco IOS Software for Cisco Catalyst 2960X, 2960XR, 2960CX, and 3560CX Series Switches Secure Boot Bypass Vulnerability

A vulnerability in Cisco IOS Software for Cisco Catalyst 2960X, 2960XR, 2960CX, and 3560CX Series Switches could allow an authenticated, local attacker with privilege level 15 or an unauthenticated attacker with physical access to the device to execute persistent code at boot time and break the...

How to create a PVS master target device on Hyper-V for Windows 11

The objective here is to creating a PVS master target device VM on Hyper-V, which can be used for both installing Windows 11 and also booting via PVS. Windows 11 has installation requirements which need both Secure boot and TPM available. Hyper-V VM options which are relevant here: Secure boot...

PT-2025-19327 · Intel · Intel Uefi

Name of the Vulnerable Software and Affected Versions: Intel UEFI affected versions not specified Description: A vulnerability in the digital signature verification process does not properly validate variable attributes, which allows an attacker to bypass signature verification by creating a...

Amazon Linux 2 : grub2 (ALAS-2025-2844)

The version of grub2 installed on the remote host is prior to 2.06-14. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2025-2844 advisory. When reading the language .mo file in grubmofileopen, grub2 fails to verify an integer overflow when allocating its internal...

Medium: grub2

Issue Overview: When reading the language .mo file in grubmofileopen, grub2 fails to verify an integer overflow when allocating its internal buffer. A crafted .mo file may lead the buffer size calculation to overflow, leading to out-of-bound reads and writes. This flaw allows an attacker to leak...

Medium: grub2

Issue Overview: When reading the language .mo file in grubmofileopen, grub2 fails to verify an integer overflow when allocating its internal buffer. A crafted .mo file may lead the buffer size calculation to overflow, leading to out-of-bound reads and writes. This flaw allows an attacker to leak...

GNU GRUB Buffer Overflow Vulnerability

GNU GRUB is a Linux system boot program from the GNU community. GNU GRUB suffers from a buffer overflow vulnerability, which stems from an integer overflow problem contained in the read module, that can be exploited by an attacker to overwrite sensitive information, thereby bypassing secure boot...

grub2 security update

2.02-164.0.2 - fs/ext2: Rework out-of-bounds read for inline and external extents Orabug: 37829911 2.02-164.0.1 - Update grub2 dependencies to match new Secure Boot certificate chain of trust Orabug: 37766761 - Fix typo in SBAT metadata Orabug: 37693946 - Allow installation of grub2 only with...

CLSA-2025-1744724536 grub2: Fix of 5 CVEs

CVE-2025-0624: net: Out-of-bounds write in grubnetsearchconfigfile - CVE-2025-0690: read: Integer overflow may lead to out-of-bounds write - CVE-2025-1118: commands/dump: The dump command is not in lockdown when secure boot is enabled - CVE-2025-0678: squash4: Integer overflow may lead to heap...

CLSA-2025-1744717794 grub2: Fix of 5 CVEs

CVE-2025-0624: net: Out-of-bounds write in grubnetsearchconfigfile - CVE-2025-0690: read: Integer overflow may lead to out-of-bounds write - CVE-2025-1118: commands/dump: The dump command is not in lockdown when secure boot is enabled - CVE-2025-0678: squash4: Integer overflow may lead to heap...

CLSA-2025-1744628858 grub2: Fix of 5 CVEs

CVE-2025-0624: net: Out-of-bounds write in grubnetsearchconfigfile - CVE-2025-0690: read: Integer overflow may lead to out-of-bounds write - CVE-2025-1118: commands/dump: The dump command is not in lockdown when secure boot is enabled - CVE-2025-0678: squash4: Integer overflow may lead to heap...

Amazon Linux 2023 : grub2-common, grub2-efi-aa64, grub2-efi-aa64-cdboot (ALAS2023-2025-937)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2025-937 advisory. A flaw was found in grub2. A specially crafted JPEG file can cause the JPEG parser of grub2 to incorrectly check the bounds of its internal buffers, resulting in an out-of-bounds write. The...

Medium: grub2

Issue Overview: A flaw was found in grub2. A specially crafted JPEG file can cause the JPEG parser of grub2 to incorrectly check the bounds of its internal buffers, resulting in an out-of-bounds write. The possibility of overwriting sensitive information to bypass secure boot protections is not...

Medium: grub2

Issue Overview: A flaw was found in grub2. A specially crafted JPEG file can cause the JPEG parser of grub2 to incorrectly check the bounds of its internal buffers, resulting in an out-of-bounds write. The possibility of overwriting sensitive information to bypass secure boot protections is not...

AI Vulnerability Finding

Microsoft is reporting that its AI systems are able to find new vulnerabilities in source code: Microsoft discovered eleven vulnerabilities in GRUB2, including integer and buffer overflows in filesystem parsers, command flaws, and a side-channel in cryptographic comparison. Additionally, 9 buffer...