VULNERABILITY INTELLIGENCE

CVE-2024-56738

CVSS score5.3 MEDIUM
EPSS probability0.40%
CISA KEVNot currently listed
Published2024-12-29
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

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.

Weakness classification

  • cve@mitre.org: CWE-208
  • nvd@nist.gov: CWE-203

Primary references