CVE-2024-56738

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.

Categories

5.3
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.06%
Third-Party Advisory gnu.org
Affected: GNU GRUB2
Published at:
Updated at:

References

Link Tags
https://savannah.gnu.org/bugs/?66603 third party advisory issue tracking

Frequently Asked Questions

What is the severity of CVE-2024-56738?
CVE-2024-56738 has been scored as a medium severity vulnerability.
How to fix CVE-2024-56738?
To fix CVE-2024-56738, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2024-56738 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2024-56738 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-56738?
CVE-2024-56738 affects GNU GRUB2.
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