{"id":"CLEANSTART-2024-MK44569","summary":"GRUB2 contains a race condition in grub_script_function_create() leading to a use-after-free vulnerability which can be triggered by redefining a function whilst the same function is already execut...","details":"Security vulnerability affects the grub package. GRUB2 contains a race condition in grub_script_function_create() leading to a use-after-free vulnerability which can be triggered by redefining a function whilst the same function is already executing, leading to arbitrary code execution and secure boot restriction bypass.","modified":"2026-10-31T16:01:57.321331658Z","published":"2026-10-31T14:15:21.358786Z","upstream":["CVE-2020-15706"],"database_specific":{},"references":[{"type":"ADVISORY","url":"https://github.com/cleanstart-dev/cleanstart-security-advisories/tree/main/advisories/2024/CLEANSTART-2024-MK44569.json"},{"type":"WEB","url":"https://osv.dev/vulnerability/CVE-2020-15706"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2020-15706"}],"affected":[{"package":{"name":"grub","ecosystem":"CleanStart","purl":"pkg:apk/cleanstart/grub"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.06-r0"}]}],"database_specific":{"source":"https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2024/CLEANSTART-2024-MK44569.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H"}]}