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.

cve CVE-2026-98162 2 sources, 3 claims · Watch

NVD writes:
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. the claim

What it is to other things

affectslinux/linux_kernel
NVD
made_bylinux
NVD

In words only, so not counted until a person confirms one:

affectslinux/linux
NVD says “Linux · Linux”

What each source says

PropertySourceSaidMeans here
Cvss
cvss
NVD5.5
receipt
Source
NVD
Its words
5.5
Read by
field:cve.metrics.cvssMetricV31[].cvssData.baseScore
Said since
2026-10-03 00:06 UTC
Last answered
2026-10-04 12:15 UTC
Original
open at the source
2026-10-03 00:06 UTC5.5
2026-09-29 09:45 UTC—
What the source handed over
{
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            "product": "Linux",
            "programFiles": [
              "fs/smb/server/smb2pdu.c"
            ],
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              },
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              },
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                "version": "9f297df20d93411c0b4ddad7f88ba04a7cd36e77",
                "versionType": "git"
              },
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                "status": "affected",
                "version": "5.15.145",
                "versionType": "semver"
              },
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                "status": "affected",
                "version": "6.1.71",
                "versionType": "semver"
              }
            ]
          },
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            "product": "Linux",
            "programFiles": [
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            ],
            "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
            "vendor": "Linux",
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              {
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                "version": "0",
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                "lessThanOrEqual": "7.2.*",
                "status": "unaffected",
                "version": "7.2.6",
                "versionType": "semver"
              },
              {
                "lessThanOrEqual": "*",
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                "version": "7.3-rc1",
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          }
        ],
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        "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(&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."
      }
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      },
      {
        "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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        ],
        "url": "https://git.kernel.org/stable/c/a6c88e5e3a75f1e4a98ad4bc4037465ccd7925bc"
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    ],
    "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "vulnStatus": "Analyzed",
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          {
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            "value": "CWE-401"
          }
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        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  }
}
—
Product
product
NVDLinux
receipt
Source
NVD
Its words
Linux
Read by
field:cve.affected[].affectedData[].product
Said since
2026-09-29 17:49 UTC
Last answered
2026-10-04 12:15 UTC
Original
open at the source
2026-09-29 17:49 UTCLinux
2026-09-29 09:45 UTC—
What the source handed over
{
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    "affected": [
      {
        "affectedData": [
          {
            "defaultStatus": "unaffected",
            "product": "Linux",
            "programFiles": [
              "fs/smb/server/smb2pdu.c"
            ],
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                "versionType": "git"
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              },
              {
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          },
          {
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            "product": "Linux",
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}
—
Severity
severity
GitHub advisoriesunknown
receipt
Source
GitHub advisories
Said since
2026-09-26 15:00 UTC
Last answered
2026-10-04 12:14 UTC
Original
open at the source

This source has not kept a receipt for this claim yet. The next update that reads it will.

—
Status
status
NVDAnalyzed
receipt
Source
NVD
Its words
Analyzed
Read by
field:cve.vulnStatus
Said since
2026-10-03 00:06 UTC
Last answered
2026-10-04 12:15 UTC
Original
open at the source
2026-10-03 00:06 UTCAnalyzed
2026-10-02 12:00 UTCAwaiting Analysis
2026-09-29 09:45 UTCReceived
What the source handed over
{
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          {
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            "product": "Linux",
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  }
}
—
Vendor
vendor
NVDLinux
receipt
Source
NVD
Its words
Linux
Read by
field:cve.affected[].affectedData[].vendor
Said since
2026-09-29 17:49 UTC
Last answered
2026-10-04 12:15 UTC
Original
open at the source
2026-09-29 17:49 UTCLinux
2026-09-29 09:45 UTC—
What the source handed over
{
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      {
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          {
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            "product": "Linux",
            "programFiles": [
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                "version": "6.1.71",
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              }
            ]
          },
          {
            "defaultStatus": "affected",
            "product": "Linux",
            "programFiles": [
              "fs/smb/server/smb2pdu.c"
            ],
            "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
            "vendor": "Linux",
            "versions": [
              {
                "status": "affected",
                "version": "6.6"
              },
              {
                "lessThan": "6.6",
                "status": "unaffected",
                "version": "0",
                "versionType": "semver"
              },
              {
                "lessThanOrEqual": "7.2.*",
                "status": "unaffected",
                "version": "7.2.6",
                "versionType": "semver"
              },
              {
                "lessThanOrEqual": "*",
                "status": "unaffected",
                "version": "7.3-rc1",
                "versionType": "original_commit_for_fix"
              }
            ]
          }
        ],
        "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
      }
    ],
    "configurations": [
      {
        "nodes": [
          {
            "cpeMatch": [
              {
                "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "B98C9201-BF17-4E2C-84FF-75EE2AA94DC5",
                "versionEndExcluding": "5.16",
                "versionStartIncluding": "5.15.145",
                "vulnerable": true
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              }
            ],
            "negate": false,
            "operator": "OR"
          }
        ]
      }
    ],
    "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(&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."
      }
    ],
    "id": "CVE-2026-98162",
    "lastModified": "2026-10-02T20:43:57.057",
    "metrics": {
      "cvssMetricV31": [
        {
          "cvssData": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 5.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 1.8,
          "impactScore": 3.6,
          "source": "nvd@nist.gov",
          "type": "Primary"
        }
      ]
    },
    "published": "2026-09-25T14:17:27.887",
    "references": [
      {
        "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "tags": [
          "Patch"
        ],
        "url": "https://git.kernel.org/stable/c/39f2032096715daae5f6fd0f587ca7a474b019df"
      },
      {
        "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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    "vulnStatus": "Analyzed",
    "weaknesses": [
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        "description": [
          {
            "lang": "en",
            "value": "CWE-401"
          }
        ],
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  }
}
—

vulnerability

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.
zetlyn/cve-nvd · 2026-09-25
cvss 5.5 product Linux status Analyzed vendor Linux source
In the Linux kernel, the following vulnerability has been resolved: smb/server: fix tree...
zetlyn/cve-ghsa · 2026-09-25
severity unknown source
In the Linux kernel, the following vulnerability has been resolved: smb/server: fix tree...
zetlyn/cve-ghsa · 2026-09-25
severity unknown source