Reference page — cumulative record through Saturday, October 3, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
CVE-2026-98162
Linux Linux — smb/server: fix tree connection leak in smb2_tree_connect()
AV AC PR UI S C I A CVSS EPSS %ile KEV
L L L N U N N H 5.5 .0014 3.2 —
AFFECTED
Product Versions Fixed
Linux e2b76ab8b5c9327ab2dae6da05d0752eb2f4771d – —
Linux 6.6 – 7.2.6
TIMELINE
Sep 25 Reserved by Linux
Sep 25 Published (CNA: Linux)
Oct 2 ENRICHED — CVE-2026-98162 (Linux). Received CVSS 5.5 and CPE data from NVD.
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.
Lifecycle
Complete event history — 3 events, chronological
| Date | Event | Detail |
| September 25, 2026 | Reserved | Reserved by Linux |
| September 25, 2026 | Published | Published (CNA: Linux) |
| October 2, 2026 | ENRICHED | ENRICHED — CVE-2026-98162 (Linux). Received CVSS 5.5 and CPE data from NVD. |
Affected
Affected products and packages — 2 rows
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
| Linux | Linux | — | e2b76ab8b5c9327ab2dae6da05d0752eb2f4771d | — |
| Linux | Linux | — | 6.6 | 7.2.6 |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-98162 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Saturday, October 3, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.