{"id":"CVE-2023-53391","summary":"shmem: use ramfs_kill_sb() for kill_sb method of ramfs-based tmpfs","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nshmem: use ramfs_kill_sb() for kill_sb method of ramfs-based tmpfs\n\nAs the ramfs-based tmpfs uses ramfs_init_fs_context() for the\ninit_fs_context method, which allocates fc-\u003es_fs_info, use ramfs_kill_sb()\nto free it and avoid a memory leak.","modified":"2026-04-02T09:44:06.748955Z","published":"2025-09-18T13:33:33.602Z","related":["SUSE-SU-2025:03600-1","SUSE-SU-2025:03615-1","SUSE-SU-2025:03634-1","SUSE-SU-2025:20851-1","SUSE-SU-2025:20861-1","SUSE-SU-2025:20870-1","SUSE-SU-2025:20898-1","SUSE-SU-2025:3751-1","SUSE-SU-2025:3761-1","SUSE-SU-2025:4057-1","SUSE-SU-2025:4132-1","SUSE-SU-2025:4141-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53391.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/1f34bf8b442c6d720e7fa6f15e8702427e48aea9"},{"type":"WEB","url":"https://git.kernel.org/stable/c/36ce9d76b0a93bae799e27e4f5ac35478c676592"},{"type":"WEB","url":"https://git.kernel.org/stable/c/487f229efea80c00dd7397547ec4f25fb8999d99"},{"type":"WEB","url":"https://git.kernel.org/stable/c/5fada375113767b3b57f1b04f7a4fe64ffaa626f"},{"type":"WEB","url":"https://git.kernel.org/stable/c/ebe07db840992a3886694ac3d303b06f4b70ce00"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53391.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-53391"},{"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":"c3b1b1cbf002e65a3cabd479e68b5f35886a26db"},{"fixed":"5fada375113767b3b57f1b04f7a4fe64ffaa626f"},{"fixed":"487f229efea80c00dd7397547ec4f25fb8999d99"},{"fixed":"1f34bf8b442c6d720e7fa6f15e8702427e48aea9"},{"fixed":"ebe07db840992a3886694ac3d303b06f4b70ce00"},{"fixed":"36ce9d76b0a93bae799e27e4f5ac35478c676592"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-53391.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"}]}