UBUNTU-CVE-2024-45781

A flaw was found in grub2. When reading a symbolic link's name from a UFS filesystem, grub2 fails to validate the string length taken as an input. The lack of validation may lead to a heap out-of-bounds write, causing data integrity issues and eventually allowing an attacker to circumvent secure...

CVE-2024-45783: Improper Update of Reference Count

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...

PT-2025-7459

Name of the Vulnerable Software and Affected Versions grub2 affected versions not specified Description A flaw was found in grub2 during the network boot process. When trying to search for the configuration file, grub copies data from a user-controlled environment variable into an internal buffer...

CVE-2024-45774: Out-of-bounds Write

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 discarded...

PT-2025-7419

Name of the Vulnerable Software and Affected Versions grub2 affected versions not specified Description A flaw was found in grub2. The calculation of the translation buffer when reading a language .mo file in grub gettext getstr from position may overflow, leading to an out-of-bound write. This...

CVE-2024-45775: Unchecked Return Value

A flaw was found in grub2 where the grubextcmddispatcher function calls grubarglistalloc to allocate memory for the grub's argument list. However, it fails to check in case the memory allocation fails. Once the allocation fails, a NULL point will be processed by the parseoption function, leading...

CVE-2025-0622: Use After Free

A flaw was found 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 it was unloaded, leading to a use-after-free vulnerability. If...

PT-2025-7461

Name of the Vulnerable Software and Affected Versions grub2 affected versions not specified Description A flaw was found in grub2. When performing a symlink lookup, the grub's UFS module checks the inode's data size to allocate the internal buffer to read the file content, however, it fails to...

PT-2025-7491

Name of the Vulnerable Software and Affected Versions Grub2 affected versions not specified Description A flaw was found in Grub2, where the dump command is not blocked when Grub is in lockdown mode. This allows a user to read any memory information, and an attacker may leverage this to extract...

PT-2025-7467

Name of the Vulnerable Software and Affected Versions No specific software or versions mentioned. Description Integer overflow may lead to out-of-bounds write. Recommendations At the moment, there is no information about a newer version that contains a fix for this issue...

PT-2025-6689

Name of the Vulnerable Software and Affected Versions GRUB2 affected versions not specified Description The issue arises when reading the language .mo file in grub mofile open, where GRUB2 fails to verify an integer overflow when allocating its internal buffer. A crafted .mo file may lead the...

CVE-2024-45776: Out-of-bounds Write

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 sensitive data o...

CVE-2024-45781: Out-of-bounds Write

A flaw was found in grub2. When reading a symbolic link's name from a UFS filesystem, grub2 fails to validate the string length taken as an input. The lack of validation may lead to a heap out-of-bounds write, causing data integrity issues and eventually allowing an attacker to circumvent secure...

PT-2025-6796

Name of the Vulnerable Software and Affected Versions Grub2 affected versions not specified Description A flaw was found in command/gpg, where hooks created by loaded modules are not removed when the related module is unloaded. This allows an attacker to force Grub2 to call the hooks once the...

Advisory ROSA-SA-2025-2683

Software: grub2 2.02 OS: ROSA Virtualization 3.0 packageevrstring: grub2-2.02-148.0.3 CVE-ID: CVE-2022-2601 BDU-ID: 2022-06819 CVE-Crit: MEDIUM CVE-DESC.: A vulnerability in the grubfontconstructglyph function of the Grub2 operating systems boot loader is related to an operation exceeding buffer...

PT-2025-6692

Name of the Vulnerable Software and Affected Versions Grub2 affected versions not specified Description A defect was found in Grub2 related to the handling of HFS+ filesystems. When Grub2 fails to mount an HFS+ filesystem, the hfsplus filesystem driver does not properly set an ERRNO value. This...

PT-2025-6687

Name of the Vulnerable Software and Affected Versions grub2 affected versions not specified Description A flaw in the JPEG parser allows a specially crafted JPEG file to cause incorrect bounds checking of internal buffers, leading to an out-of-bounds write. This condition could potentially allow ...

PT-2025-6690

Name of the Vulnerable Software and Affected Versions grub2 affected versions not specified Description A defect was found in grub2. When reading a symbolic link's name from a UFS filesystem, grub2 fails to validate the string length taken as an input. This lack of validation may lead to a heap...

Azure Linux 3.0 Security Update: grub2 (CVE-2022-2601)

The version of grub2 installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2022-2601 advisory. - A buffer overflow was found in grubfontconstructglyph. A malicious crafted pf2 font can lead to an overflow wh...

Azure Linux 3.0 Security Update: grub2 (CVE-2022-3775)

The version of grub2 installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2022-3775 advisory. - When rendering certain unicode sequences, grub2's font code doesn't proper validate if the informed glyph's...