{"id":"CVE-2025-21967","summary":"ksmbd: fix use-after-free in ksmbd_free_work_struct","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: fix use-after-free in ksmbd_free_work_struct\n\n-\u003einterim_entry of ksmbd_work could be deleted after oplock is freed.\nWe don't need to manage it with linked list. The interim request could be\nimmediately sent whenever a oplock break wait is needed.","modified":"2026-04-16T04:41:40.525823434Z","published":"2025-04-01T15:47:02.364Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/21xxx/CVE-2025-21967.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/62746ae3f5414244a96293e3b017be637b641280"},{"type":"WEB","url":"https://git.kernel.org/stable/c/bb39ed47065455604729404729d9116868638d31"},{"type":"WEB","url":"https://git.kernel.org/stable/c/eb51f6f59d19b92f6fe84d3873f958495ab32f0a"},{"type":"WEB","url":"https://git.kernel.org/stable/c/fb776765bfc21d5e4ed03bb3d4406c2b86ff1ac3"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/21xxx/CVE-2025-21967.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-21967"},{"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":"fb776765bfc21d5e4ed03bb3d4406c2b86ff1ac3"},{"fixed":"62746ae3f5414244a96293e3b017be637b641280"},{"fixed":"eb51f6f59d19b92f6fe84d3873f958495ab32f0a"},{"fixed":"bb39ed47065455604729404729d9116868638d31"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-21967.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:H/I:H/A:H"}]}