{"id":"CVE-2023-53266","summary":"arm64: acpi: Fix possible memory leak of ffh_ctxt","details":"In the Linux kernel, the following vulnerability has been resolved:\n\narm64: acpi: Fix possible memory leak of ffh_ctxt\n\nAllocated 'ffh_ctxt' memory leak is possible if the SMCCC version\nand conduit checks fail and -EOPNOTSUPP is returned without freeing the\nallocated memory.\n\nFix the same by moving the allocation after the SMCCC version and\nconduit checks.","modified":"2026-04-02T09:43:53.858380Z","published":"2025-09-16T08:06:56.578Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53266.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/1b561d3949f8478c5403c9752b5533211a757226"},{"type":"WEB","url":"https://git.kernel.org/stable/c/7521da2eb42d65f89f511b7912d3757cf3d9168a"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53266.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-53266"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"1d280ce099db396e092cac1aa9bf2ea8beee6d76"},{"fixed":"7521da2eb42d65f89f511b7912d3757cf3d9168a"},{"fixed":"1b561d3949f8478c5403c9752b5533211a757226"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-53266.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}