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.
Scores
CVSS v3
5.3
EPSS
0.0003
EPSS Percentile
7.9%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-208
CWE-203
Status
published
Products (1)
gnu/grub2
< 2.12
Published
Dec 29, 2024
Tracked Since
Feb 18, 2026