CVE-2024-45775

A flaw was found in grub2 where the grub_extcmd_dispatcher() function calls grub_arg_list_alloc() to allocate memory for the grub's argument list. However, it fails to check in case the memory allocation fails. Once the allocation fails, a NULL point will be processed by the parse_option() function, leading grub to crash or, in some rare scenarios, corrupt the IVT data.

CVSS 3.1

5.2CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:H

EPSS

0.3% chance of exploitation in the next 30 days; higher than 21% of CVEs (scores of 2026-10-25)

CWE

CWE-252

Published

2025-02-18

Modified

2026-10-21

Record from

the NVD, synced 2026-10-22

References

• https://access.redhat.com/errata/RHSA-2025:6990
• https://access.redhat.com/security/cve/CVE-2024-45775
• https://bugzilla.redhat.com/show_bug.cgi?id=2337481

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