CVE-2024-56738

GNU GRUB (aka GRUB2) through 2.12 does not use a constant-time algorithm for grub_crypto_memcmp and thus allows side-channel attacks.
References
Link Resource
https://savannah.gnu.org/bugs/?66603 Issue Tracking Third Party Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:a:gnu:grub2:*:*:*:*:*:*:*:*

History

24 Jun 2025, 00:29

Type Values Removed Values Added
References () https://savannah.gnu.org/bugs/?66603 - () https://savannah.gnu.org/bugs/?66603 - Issue Tracking, Third Party Advisory
CPE cpe:2.3:a:gnu:grub2:*:*:*:*:*:*:*:*
CWE CWE-203
First Time Gnu grub2
Gnu

31 Dec 2024, 19:15

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown
v2 : unknown
v3 : 5.3
Summary
  • (es) GNU GRUB (también conocido como GRUB2) hasta la versión 2.12 no utiliza un algoritmo de tiempo constante para grub_crypto_memcmp y, por lo tanto, permite ataques de canal lateral.

29 Dec 2024, 07:15

Type Values Removed Values Added
New CVE

Information

Published : 2024-12-29 07:15

Updated : 2025-06-24 00:29


NVD link : CVE-2024-56738

Mitre link : CVE-2024-56738

CVE.ORG link : CVE-2024-56738


JSON object : View

Products Affected

gnu

  • grub2
CWE
CWE-208

Observable Timing Discrepancy

CWE-203

Observable Discrepancy