CVE-2026-98162 (GCVE-0-2026-98162)

Vulnerability from cvelistv5 – Published: 2026-09-25 13:06 – Updated: 2026-09-25 13:06
VLAI
Title
smb/server: fix tree connection leak in smb2_tree_connect()
Summary
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.
Severity
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: e2b76ab8b5c9327ab2dae6da05d0752eb2f4771d , < a6c88e5e3a75f1e4a98ad4bc4037465ccd7925bc (git)
Affected: e2b76ab8b5c9327ab2dae6da05d0752eb2f4771d , < 39f2032096715daae5f6fd0f587ca7a474b019df (git)
Affected: f2283680a80571ca82d710bc6ecd8f8beac67d63 (git)
Affected: 9f297df20d93411c0b4ddad7f88ba04a7cd36e77 (git)
Affected: 5.15.145 , < 5.16 (semver)
Affected: 6.1.71 , < 6.2 (semver)
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Linux Linux Affected: 6.6
Unaffected: 0 , < 6.6 (semver)
Unaffected: 7.2.6 , ≤ 7.2.* (semver)
Unaffected: 7.3-rc1 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
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{
  "containers": {
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        {
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          "product": "Linux",
          "programFiles": [
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              "negate": false,
              "operator": "OR"
            }
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      "descriptions": [
        {
          "lang": "en",
          "value": "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(\u0026sess-\u003etree_conns, tree_conn-\u003eid, 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."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-25T13:06:51.778Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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        {
          "url": "https://git.kernel.org/stable/c/39f2032096715daae5f6fd0f587ca7a474b019df"
        }
      ],
      "title": "smb/server: fix tree connection leak in smb2_tree_connect()",
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  "cveMetadata": {
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    "assignerShortName": "Linux",
    "cveId": "CVE-2026-98162",
    "datePublished": "2026-09-25T13:06:51.778Z",
    "dateReserved": "2026-09-25T10:25:14.321Z",
    "dateUpdated": "2026-09-25T13:06:51.778Z",
    "state": "PUBLISHED"
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        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "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(\u0026sess-\u003etree_conns, tree_conn-\u003eid, 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."
          }
        ],
        "id": "CVE-2026-98162",
        "lastModified": "2026-09-25T14:17:27.887",
        "metrics": {},
        "published": "2026-09-25T14:17:27.887",
        "references": [
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            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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        "vulnStatus": "Received"
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    "suse_vex": {
      "aggregate_severity": "not set",
      "current_release_date": "2026-09-25T23:45:43Z",
      "cve": "CVE-2026-98162",
      "id": "CVE-2026-98162",
      "initial_release_date": "2026-09-25T23:45:43Z",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2026-98162",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2026-98162.json",
      "version": "2"
    }
  }
}



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