{"id":"CVE-2024-45775","title":"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","summary":"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,…","severity":"medium","cvss":5.2,"cvssVector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:H","cwe":["CWE-252"],"published":"2025-02-18","updated":"2026-07-20","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2024-45775","references":[{"url":"https://access.redhat.com/errata/RHSA-2025:6990","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/security/cve/CVE-2024-45775","label":"secalert@redhat.com"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2337481","label":"secalert@redhat.com"}],"tags":["nvd"],"epss":0.00292,"epssPercentile":0.22086,"ingestedAt":"2026-07-20T06:36:45.881Z","slug":"CVE-2024-45775","body":"## Overview\n\nA 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":29,"depthScoreParts":{"impact":28.6,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}