{"id":"CVE-2023-52681","summary":"efivarfs: Free s_fs_info on unmount","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nefivarfs: Free s_fs_info on unmount\n\nNow that we allocate a s_fs_info struct on fs context creation, we\nshould ensure that we free it again when the superblock goes away.","modified":"2026-04-11T12:46:34.721655Z","published":"2024-05-17T14:24:44.687Z","related":["SUSE-SU-2024:2135-1","SUSE-SU-2024:2203-1","SUSE-SU-2024:2973-1","SUSE-SU-2025:20008-1","SUSE-SU-2025:20028-1","SUSE-SU-2025:20166-1","SUSE-SU-2025:20249-1","USN-6818-2","USN-6819-2"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/52xxx/CVE-2023-52681.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/48be1364dd387e375e1274b76af986cb8747be2c"},{"type":"WEB","url":"https://git.kernel.org/stable/c/547713d502f7b4b8efccd409cff84d731a23853b"},{"type":"WEB","url":"https://git.kernel.org/stable/c/92be3095c6ca1cdc46237839c6087555be9160e3"},{"type":"WEB","url":"https://git.kernel.org/stable/c/ea6b597fcaca99562fa56a473bcbbbd79b40af03"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/52xxx/CVE-2023-52681.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-52681"},{"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":"5329aa5101f73c451bcd48deaf3f296685849d9c"},{"fixed":"92be3095c6ca1cdc46237839c6087555be9160e3"},{"fixed":"547713d502f7b4b8efccd409cff84d731a23853b"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-52681.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.7.2"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-52681.json"}}],"schema_version":"1.7.5"}