CVE-2024-56738CWE-208

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

Medium · published December 29, 2024

CVSS v3.1
5.3
EPSS
0%
Percentile
33.6
In the wild
Unconfirmed
What it is

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

The record
Technical detail
CVSS v3.1
5.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00405 · 33.6th percentile
Weakness
CWE-208 · Observable Timing Discrepancy
Published
2024-12-29T00:00Z
EPSS history
Timeline
  • 29 DEC 00:00Z
    GNU GRUB (aka GRUB2) through 2.12 does not use a constant-time algorithm for grub_crypto_memcmp and thus allows side-channel attacks
    cvelistv5