Bug 2334771 (CVE-2024-56738)

Summary: CVE-2024-56738 grub2: Observable Timing Discrepancy resulting side-channel attacks
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
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Priority: medium    
Version: unspecifiedKeywords: Security
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OS: Linux   
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A flaw was found in GRUB2. Affected versions of GRUB2 do not use a constant-time algorithm for grub_crypto_memcmp, which can allow side-channel attacks.
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Bug Depends On: 2334784, 2334780, 2334781, 2334782, 2334783, 2334785    
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Description OSIDB Bzimport 2024-12-29 07:01:01 UTC
GNU GRUB (aka GRUB2) through 2.12 does not use a constant-time algorithm for grub_crypto_memcmp and thus allows side-channel attacks.