{"id":"CVE-2026-98162","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nsmb/server: fix tree connection leak in smb2_tree_connect()\n\nSee the procedure below:\n\n  smb2_tree_connect\n    ksmbd_tree_conn_connect\n      xa_store(&sess->tree_conns,…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nsmb/server: fix tree connection leak in smb2_tree_connect()\n\nSee the procedure below:\n\n  smb2_tree_connect\n    ksmbd_tree_conn_connect\n      xa_store(&sess->tree_conns,…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= e2b76ab8b5c9327ab2dae6da05d0752eb2f4771d < a6c88e5e3a75f1e4a98ad4bc4037465ccd7925bc","Linux >= e2b76ab8b5c9327ab2dae6da05d0752eb2f4771d < 39f2032096715daae5f6fd0f587ca7a474b019df","Linux f2283680a80571ca82d710bc6ecd8f8beac67d63","Linux 9f297df20d93411c0b4ddad7f88ba04a7cd36e77","Linux >= 5.15.145 < 5.16","Linux >= 6.1.71 < 6.2","Linux 6.6"],"published":"2026-09-25","updated":"2026-09-25","sourceUpdated":"2026-09-25T14:17:27.887","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-98162","references":[{"url":"https://git.kernel.org/stable/c/39f2032096715daae5f6fd0f587ca7a474b019df","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/a6c88e5e3a75f1e4a98ad4bc4037465ccd7925bc","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-09-25T14:09:46.373Z","slug":"CVE-2026-98162","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nsmb/server: fix tree connection leak in smb2_tree_connect()\n\nSee the procedure below:\n\n  smb2_tree_connect\n    ksmbd_tree_conn_connect\n      xa_store(&sess->tree_conns, tree_conn->id, tree_conn)\n      ksmbd_counter_inc(KSMBD_COUNTER_TREE_CONNS)\n      ksmbd_share_tree_conn_inc(sc)\n    ksmbd_iov_pin_rsp // fail\n    status.ret = KSMBD_TREE_CONN_STATUS_NOMEM\n    // do not disconnect tree_conn\n\nDisconnect the new tree connection if ksmbd_iov_pin_rsp() fails.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}