{"id":"CVE-2023-53097","summary":"powerpc/iommu: fix memory leak with using debugfs_lookup()","details":"In the Linux kernel, the following vulnerability has been resolved:\n\npowerpc/iommu: 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":"2026-05-18T05:55:33.217726295Z","published":"2025-05-02T15:55:40.928Z","related":["SUSE-SU-2025:02264-1","SUSE-SU-2025:02321-1","SUSE-SU-2025:02322-1","SUSE-SU-2025:02537-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53097.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/24c1bd1cd0d1ff821fd7d2f01a1e648c7882dfc2"},{"type":"WEB","url":"https://git.kernel.org/stable/c/4050498c0ae3946c223fc63e9dd7b878b76611e0"},{"type":"WEB","url":"https://git.kernel.org/stable/c/b505063910c134778202dfad9332dfcecb76bab3"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e3a62a35f903fd8be5b44542fe3901ec45f16757"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53097.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-53097"},{"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":"691602aab9c3cce31d3ff9529c09b7922a5f6224"},{"fixed":"e3a62a35f903fd8be5b44542fe3901ec45f16757"},{"fixed":"24c1bd1cd0d1ff821fd7d2f01a1e648c7882dfc2"},{"fixed":"4050498c0ae3946c223fc63e9dd7b878b76611e0"},{"fixed":"b505063910c134778202dfad9332dfcecb76bab3"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-53097.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.12.0"},{"fixed":"5.15.103"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.1.20"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.2.7"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-53097.json"}}],"schema_version":"1.7.5"}