{"schema_version":"1.9.0","id":"CVE-2025-38437","published":"2025-07-25T15:27:16.995Z","modified":"2026-08-12T03:51:23.633478884Z","summary":"ksmbd: fix potential use-after-free in oplock/lease break ack","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: fix potential use-after-free in oplock/lease break ack\n\nIf ksmbd_iov_pin_rsp return error, use-after-free can happen by\naccessing opinfo->state and opinfo_put and ksmbd_fd_put could\ncalled twice.","affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"0626e6641f6b467447c81dd7678a69c66f7746cf"},{"fixed":"e38ec88a2b42c494601b1213816d75f0b54d9bf0"},{"fixed":"97c355989928a5f60b228ef5266c1be67a46cdf9"},{"fixed":"815f1161d6dbc4c54ccf94b7d3fdeab34b4d7477"},{"fixed":"8106adc21a2270c16abf69cd74ccd7c79c6e7acd"},{"fixed":"50f930db22365738d9387c974416f38a06e8057e"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-38437.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.15.0"},{"fixed":"6.1.146"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.6.99"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.12.39"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.15.7"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-38437.json"}}],"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/50f930db22365738d9387c974416f38a06e8057e"},{"type":"WEB","url":"https://git.kernel.org/stable/c/8106adc21a2270c16abf69cd74ccd7c79c6e7acd"},{"type":"WEB","url":"https://git.kernel.org/stable/c/815f1161d6dbc4c54ccf94b7d3fdeab34b4d7477"},{"type":"WEB","url":"https://git.kernel.org/stable/c/97c355989928a5f60b228ef5266c1be67a46cdf9"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e38ec88a2b42c494601b1213816d75f0b54d9bf0"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/38xxx/CVE-2025-38437.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-38437"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/38xxx/CVE-2025-38437.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}