{"id":"CVE-2023-53358","summary":"ksmbd: fix racy issue under cocurrent smb2 tree disconnect","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: fix racy issue under cocurrent smb2 tree disconnect\n\nThere is UAF issue under cocurrent smb2 tree disconnect.\nThis patch introduce TREE_CONN_EXPIRE flags for tcon to avoid cocurrent\naccess.","modified":"2026-04-02T09:44:04.009467Z","published":"2025-09-17T14:56:48.812Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53358.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/30210947a343b6b3ca13adc9bfc88e1543e16dd5"},{"type":"WEB","url":"https://git.kernel.org/stable/c/39366b47a59d46af15ac57beb0996268bf911f6a"},{"type":"WEB","url":"https://git.kernel.org/stable/c/b36295c17fb97424406f0c3ab321b1ccaabb9be8"},{"type":"WEB","url":"https://git.kernel.org/stable/c/bd80d35725a0cf4df9307bfe2f1a3b2cb983d8e6"},{"type":"WEB","url":"https://git.kernel.org/stable/c/dc1c17716c099c90948ebb83e2170dd75a3be6b6"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53358.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-53358"},{"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":"b36295c17fb97424406f0c3ab321b1ccaabb9be8"},{"fixed":"bd80d35725a0cf4df9307bfe2f1a3b2cb983d8e6"},{"fixed":"dc1c17716c099c90948ebb83e2170dd75a3be6b6"},{"fixed":"39366b47a59d46af15ac57beb0996268bf911f6a"},{"fixed":"30210947a343b6b3ca13adc9bfc88e1543e16dd5"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-53358.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}