{"id":"CVE-2023-53403","summary":"time/debug: Fix memory leak with using debugfs_lookup()","details":"In the Linux kernel, the following vulnerability has been resolved:\n\ntime/debug: Fix memory leak with using debugfs_lookup()\n\nWhen calling debugfs_lookup() the result must have dput() called on it,\notherwise the memory will leak over time.  To make things simpler, just\ncall debugfs_lookup_and_remove() instead which handles all of the logic at\nonce.","modified":"2026-04-02T09:44:08.848856Z","published":"2025-09-18T13:58:43.032Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53403.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/15cffd01ed80e3506e29ba9f441e2358413b7317"},{"type":"WEB","url":"https://git.kernel.org/stable/c/5b268d8abaec6cbd4bd70d062e769098d96670aa"},{"type":"WEB","url":"https://git.kernel.org/stable/c/b588b42d077ce93c98704b41003bcec6a564b738"},{"type":"WEB","url":"https://git.kernel.org/stable/c/dc39fbd865a9819db4b622f610ba17b2ebc294f4"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53403.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-53403"},{"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":"44511ab344c755d1f216bf421e92fbc2777e87fe"},{"fixed":"dc39fbd865a9819db4b622f610ba17b2ebc294f4"},{"fixed":"15cffd01ed80e3506e29ba9f441e2358413b7317"},{"fixed":"b588b42d077ce93c98704b41003bcec6a564b738"},{"fixed":"5b268d8abaec6cbd4bd70d062e769098d96670aa"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-53403.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"}]}