# CVE-2026-98162: smb/server: fix tree connection leak in smb2_tree_connect()

CVE-2026-98162 is fixed in linux on 1 platform by DEBIAN-CVE-2026-98162 (version 7.2.6-1), released September 25, 2026. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2026-98162
- Priority: Routine
- CVSS: 5.5 (Moderate)
- EPSS: 0.0011
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Sep 25, 2026
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-98162

## Description

In the Linux kernel, the following vulnerability has been resolved:  smb/server: fix tree connection leak in smb2_tree_connect()  See the procedure below:    smb2_tree_connect     ksmbd_tree_conn_connect       xa_store(&sess->tree_conns, tree_conn->id, tree_conn)       ksmbd_counter_inc(KSMBD_COUNTER_TREE_CONNS)       ksmbd_share_tree_conn_inc(sc)     ksmbd_iov_pin_rsp // fail     status.ret = KSMBD_TREE_CONN_STATUS_NOMEM     // do not disconnect tree_conn  Disconnect the new tree connection if ksmbd_iov_pin_rsp() fails.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | linux Debian 14 | 7.2.6-1 | [DEBIAN-CVE-2026-98162](https://patchblox.com/security/data/fix/linux/debian-cve-2026-98162.md) | Sep 25, 2026 |

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Data as of 2026-11-08T06:59:42Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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