{"id":"CVE-2023-52937","summary":"HV: hv_balloon: fix memory leak with using debugfs_lookup()","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nHV: hv_balloon: 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\nat once.","modified":"2026-04-02T09:43:30.079728Z","published":"2025-03-27T16:37:16.742Z","related":["SUSE-SU-2025:01620-1","SUSE-SU-2025:01640-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/52xxx/CVE-2023-52937.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/0b570a059cf42ad6e2eb632f47c23813d58d8303"},{"type":"WEB","url":"https://git.kernel.org/stable/c/6dfb0771429a63db8561d44147f2bb76f93e1c86"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/52xxx/CVE-2023-52937.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-52937"},{"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":"d180e0a1be6cea2b7436fadbd1c96aecdf3c46c7"},{"fixed":"0b570a059cf42ad6e2eb632f47c23813d58d8303"},{"fixed":"6dfb0771429a63db8561d44147f2bb76f93e1c86"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-52937.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"}]}