{"id":"CVE-2022-47939","details":"An issue was discovered in ksmbd in the Linux kernel 5.15 through 5.19 before 5.19.2. fs/ksmbd/smb2pdu.c has a use-after-free and OOPS for SMB2_TREE_DISCONNECT.","modified":"2026-03-15T22:45:39.663655Z","published":"2022-12-23T16:15:12.290Z","references":[{"type":"ADVISORY","url":"https://www.zerodayinitiative.com/advisories/ZDI-22-1690/"},{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2022/12/23/10"},{"type":"ADVISORY","url":"https://www.secpod.com/blog/zero-day-server-message-block-smb-server-in-linux-kernel-5-15-has-a-critical-vulnerability-patch-ksmbd-immediately/"},{"type":"FIX","url":"https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.2"},{"type":"FIX","url":"https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=cf6531d98190fa2cf92a6d8bbc8af0a4740a223c"},{"type":"FIX","url":"https://github.com/torvalds/linux/commit/cf6531d98190fa2cf92a6d8bbc8af0a4740a223c"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"5.15"},{"fixed":"5.15.61"}]},{"events":[{"introduced":"5.16"},{"fixed":"5.18.18"}]},{"events":[{"introduced":"5.19"},{"fixed":"5.19.2"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-47939.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"}]}