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.

Routine

CVSS

5.5

Moderate

Exploitation

None reported

No vendor assessment

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0011

1st percentile

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

Product	Fixed in	Fix	Released
Linux
linux · Debian 14	7.2.6-1	DEBIAN-CVE-2026-98162	Sep 25, 2026

Details

Published
September 25, 2026
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Vendor advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-98162

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