{"id":"CVE-2025-37924","summary":"ksmbd: fix use-after-free in kerberos authentication","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: fix use-after-free in kerberos authentication\n\nSetting sess-\u003euser = NULL was introduced to fix the dangling pointer\ncreated by ksmbd_free_user. However, it is possible another thread could\nbe operating on the session and make use of sess-\u003euser after it has been\npassed to ksmbd_free_user but before sess-\u003euser is set to NULL.","modified":"2026-04-03T03:33:42.904113Z","published":"2025-05-20T15:21:52.681Z","related":["MGASA-2025-0182","MGASA-2025-0183"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/37xxx/CVE-2025-37924.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/28c756738af44a404a91b77830d017bb0c525890"},{"type":"WEB","url":"https://git.kernel.org/stable/c/b447463562238428503cfba1c913261047772f90"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e18c616718018dfc440e4a2d2b94e28fe91b1861"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e34a33d5d7e87399af0a138bb32f6a3e95dd83d2"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e86e9134e1d1c90a960dd57f59ce574d27b9a124"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2025/08/msg00010.html"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/37xxx/CVE-2025-37924.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-37924"},{"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":"0626e6641f6b467447c81dd7678a69c66f7746cf"},{"fixed":"e34a33d5d7e87399af0a138bb32f6a3e95dd83d2"},{"fixed":"b447463562238428503cfba1c913261047772f90"},{"fixed":"e18c616718018dfc440e4a2d2b94e28fe91b1861"},{"fixed":"28c756738af44a404a91b77830d017bb0c525890"},{"fixed":"e86e9134e1d1c90a960dd57f59ce574d27b9a124"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-37924.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}