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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.
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.
Classification
CVE ID: CVE-2024-56738
Affected Products
Vendor: GNU
Product: GRUB2
Exploit Prediction Scoring System (EPSS)
EPSS Score: 0.04% (probability of being exploited)
EPSS Percentile: 11.48% (scored less or equal to compared to others)
EPSS Date: 2025-02-04 (when was this score calculated)