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GNU GRUBGNU GRUB (aka GRUB2) through 2.12 does not use a constant-time algorithm for grub_crypto_memcmp and …

Risk 27
Severity
5.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

GNU GRUB (aka GRUB2) through 2.12 does not use a constant-time algorithm for grubcryptomemcmp and thus allows side-channel attacks.

First published (updated )
CVE-2024-56738

GNU GRUBBuffer Overflow

Risk 77
Severity
8.8
Buffer Overflow
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

GNU GRUB (aka GRUB2) through 2.12 has a heap-based buffer overflow in fs/hfs.c via crafted sblock data in an HFS filesystem.

First published (updated )
CVE-2024-56737

GNU GRUBMemory Corruption Vulnerability in Grub-Legacy's XFS Implementation

Risk 60
Severity
8.1
Buffer Overflow, Integer Overflow
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

An attacker with local access to a system (either through a disk or external drive) can present a modified XFS partition to grub-legacy in such a way to exploit a memory corruption in grub’s XFS file system implementation.

First published (updated )
CVE-2023-4949

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