CVE-2024-45775
CVE-2024-45775 is a medium-severity vulnerability with a CVSS 3.x base score of 5.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-252.
Key facts
- Severity: Medium (CVSS 3.x base score 5.2)
- EPSS exploit prediction: 0% (10th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-4780
- Weakness: CWE-252
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is 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.
- How severe is CVE-2024-45775?
- CVE-2024-45775 has a CVSS 3.x base score of 5.2, rated medium severity. It is exploitable over local access with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability high.
- Is CVE-2024-45775 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2024-45775?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2024-45775 have an EU (EUVD) identifier?
- Yes. CVE-2024-45775 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-4780.
- When was CVE-2024-45775 published?
- CVE-2024-45775 was published on 2025-02-18 and last updated on 2026-06-17.
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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