CVE-2024-56738

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CVSS 3.1

5.3 medium

EPSS

<1%p35

Published

Dec 29, 2024 (Dec 29, 2024)

Modified

Jun 17, 2026

Description

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

Vendors: gnu
Products: grub2
Weakness: CWE-208, CWE-203
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

NVD CVE.org GitHub PoCs EPSS (0.4%)

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