CVEvulnerability

CVE-2024-56738

5.3 MEDIUM Published 2024-12-29 Modified 2026-06-17 Official page ↗
Status
Analyzed
Published
2024-12-29
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
5.3 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weaknesses
CWE-203, CWE-208

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.

Affected configurations

• gnu grub2 (<= 2.12)

Related

Weakness · CWE (2)

  • CWE-203 Observable Discrepancy weakness
  • CWE-208 Observable Timing Discrepancy weakness

References