CLSA-2025-1751285777 grub2: Fix of 5 CVEs

CVE-2024-45781: fs/ufs: OOB write in the heap - CVE-2024-45782: fs/hfs: strcpy using the volume name - CVE-2024-56737: fs/hfs: Fix stack OOB write with grubstrcpy - CVE-2025-0678: squash4: Integer overflow may lead to heap based out-of-bounds write when reading data - CVE-2025-1125: fs/hfs:...

grub2: fs/hfs+: refcount can be decremented twice

A flaw was found in grub2. When failing to mount an HFS+ grub, the hfsplus filesystem driver doesn't properly set an ERRNO value. This issue may lead to a NULL pointer access...

UBUNTU-CVE-2025-0684

A flaw was found in grub2. When performing a symlink lookup from a reiserfs filesystem, grub's reiserfs fs module uses user-controlled parameters from the filesystem geometry to determine the internal buffer size, however, it improperly checks for integer overflows. A maliciouly crafted filesyste...

GNU GRUB 安全漏洞

GNU GRUB is a Linux system boot program from the GNU community. A security vulnerability exists in GNU GRUB that stems from grubcryptomemcmp not using a constant time algorithm, no details of the vulnerability are provided at this time...

The vulnerability of Grub2 operating system loaders, related to the incorrect use of standard permissions, allows attackers to circumvent security restrictions and gain unauthorized access to protected information.

The vulnerability of Grub2 operating system loaders is related to the incorrect use of standard permissions. Exploiting this vulnerability can allow attackers to circumvent security restrictions and gain unauthorized access to protected information...

How to Reset Account Lockout for 'Managed Hardened Repository ISO by Veeam'

Purpose This article documents how to unlock the accounts used with the Managed Hardened Repository ISO by Veeam, veeamsvc or vhradmin, when they become locked out. The Managed Hardened Repository ISO by Veeam deploys Rocky Linux with the DISA STIG security profile, which utilizes faillock to loc...

CLSA-2024-1724433427 grub2: Fix of CVE-2023-4693

CVE-2023-4693: ntfs: fix an out-of-bounds read flaw on NTFS filesystem driver...

OESA-2024-1714 grub2 security update

GNU GRUB is a Multiboot boot loader. It was derived from GRUB, the GRand Unified Bootloader, which was originally designed and implemented by Erich Stefan Boleyn. Security Fixes: GNU Libtasn1 before 4.19.0 has an ETYPEOK off-by-one array size check that affects asn1encodesimpleder.CVE-2021-46848...

OESA-2024-1700 grub2 security update

GNU GRUB is a Multiboot boot loader. It was derived from GRUB, the GRand Unified Bootloader, which was originally designed and implemented by Erich Stefan Boleyn. Security Fixes: GNU Libtasn1 before 4.19.0 has an ETYPEOK off-by-one array size check that affects asn1encodesimpleder.CVE-2021-46848...

Moderate: Red Hat Security Advisory: grub2 security update

An update for grub2 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 available for each vulnerability from the...

CVE-2024-32741

A vulnerability has been identified in SIMATIC CN 4100 All versions V3.0. The affected device contains hard coded password which is used for the privileged system user root and for the boot loader GRUB by default . An attacker who manages to crack the password hash gains root access to the device...

The vulnerability of the Grub2 operating system loader, related to writing beyond the boundary during the processing of split HTTP headers, allows a hacker to cause a service failure.

The vulnerability of the Grub loader is related to writing beyond the boundaries during the processing of split HTTP headers. Exploiting this vulnerability can allow a remote attacker to cause service interruptions...

SUSE CVE-2021-3418

If certificates that signed grub are installed into db, grub can be booted directly. It will then boot any kernel without signature validation. The booted kernel will think it was booted in secureboot mode and will implement lockdown, yet it could have been tampered. This flaw is a reintroduction...

Important: Red Hat Security Advisory: grub2, mokutil, shim, and shim-unsigned-x64 security update

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

grub2: Crafted PNG image may lead to out-of-bound write during huffman table handling

A flaw was found in grub2 when handling a PNG image header. When decoding the data contained in the Huffman table at the PNG file header, an out-of-bounds write may happen on grub's heap...

grub2: Stack buffer overflow in grub_parser_split_cmdline()

A flaw was found in grub2. Variable names present are expanded in the supplied command line into their corresponding variable contents, using a 1kB stack buffer for temporary storage, without sufficient bounds checking. If the function is called with a command line that references a variable with...

CVE-2021-3418

If certificates that signed grub are installed into db, grub can be booted directly. It will then boot any kernel without signature validation. The booted kernel will think it was booted in secureboot mode and will implement lockdown, yet it could have been tampered. This flaw is a reintroduction...

CVE-2021-3418

If certificates that signed grub are installed into db, grub can be booted directly. It will then boot any kernel without signature validation. The booted kernel will think it was booted in secureboot mode and will implement lockdown, yet it could have been tampered. This flaw is a reintroduction...

Cisco IOS XR Software for Cisco 8000 and NCS 540 Routers Image Verification Vulnerabilities (cisco-sa-ioxr-l-zNhcGCBt)

According to its self-reported version, the Cisco IOS XR Software is affected by multiple vulnerabilities that allow an authenticated, local attacker to execute unsigned code during the boot process, as follows: - A vulnerability in the GRUB boot loader of Cisco NCS 540 Series Routers, only when...

Moderate: Red Hat Security Advisory: grub2 security update

An update for grub2 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 rating, is available for ea...