github - ghsa-xv7h-524v-h227

GHSA-XV7H-524V-H227

Vulnerability from github – Published: 2025-08-16 15:30 – Updated: 2025-11-18 18:32

Details

In the Linux kernel, the following vulnerability has been resolved:

ksmbd: not allow guest user on multichannel

This patch return STATUS_NOT_SUPPORTED if binding session is guest.

Severity ?

5.5 (Medium)


                  
                    CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

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{
  "affected": [],
  "aliases": [
    "CVE-2023-32249"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-08-16T14:15:27Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: not allow guest user on multichannel\n\nThis patch return STATUS_NOT_SUPPORTED if binding session is guest.",
  "id": "GHSA-xv7h-524v-h227",
  "modified": "2025-11-18T18:32:49Z",
  "published": "2025-08-16T15:30:30Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-32249"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/088131b7b01099720a528a72005ff17868705d40"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/1f0490586544455e5be698be2e6c30077b4ec461"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3353ab2df5f68dab7da8d5ebb427a2d265a1f2b2"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4a98e859c4673013385a54084e0cd865695ca072"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ed76d3a8910be06cd4e4ba63bf6075bf903945a1"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2023-32249 (GCVE-0-2023-32249)

Vulnerability from cvelistv5 – Published: 2025-08-16 13:25 – Updated: 2025-09-03 12:31

Summary

In the Linux kernel, the following vulnerability has been resolved: ksmbd: not allow guest user on multichannel This patch return STATUS_NOT_SUPPORTED if binding session is guest.

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/ed76d3a8910be06cd…
	https://git.kernel.org/stable/c/1f0490586544455e5…
	https://git.kernel.org/stable/c/4a98e859c46730133…
	https://git.kernel.org/stable/c/088131b7b01099720…
	https://git.kernel.org/stable/c/3353ab2df5f68dab7…

Impacted products

Vendor

Product

Version

Linux

Affected: 0626e6641f6b467447c81dd7678a69c66f7746cf , < ed76d3a8910be06cd4e4ba63bf6075bf903945a1 (git)
Affected: 0626e6641f6b467447c81dd7678a69c66f7746cf , < 1f0490586544455e5be698be2e6c30077b4ec461 (git)
Affected: 0626e6641f6b467447c81dd7678a69c66f7746cf , < 4a98e859c4673013385a54084e0cd865695ca072 (git)
Affected: 0626e6641f6b467447c81dd7678a69c66f7746cf , < 088131b7b01099720a528a72005ff17868705d40 (git)
Affected: 0626e6641f6b467447c81dd7678a69c66f7746cf , < 3353ab2df5f68dab7da8d5ebb427a2d265a1f2b2 (git)

Linux

Affected: 5.15
Unaffected: 0 , < 5.15 (semver)
Unaffected: 5.15.112 , ≤ 5.15.* (semver)
Unaffected: 6.1.28 , ≤ 6.1.* (semver)
Unaffected: 6.2.15 , ≤ 6.2.* (semver)
Unaffected: 6.3.2 , ≤ 6.3.* (semver)
Unaffected: 6.4 , ≤ * (original_commit_for_fix)

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/ksmbd/smb2pdu.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "ed76d3a8910be06cd4e4ba63bf6075bf903945a1",
              "status": "affected",
              "version": "0626e6641f6b467447c81dd7678a69c66f7746cf",
              "versionType": "git"
            },
            {
              "lessThan": "1f0490586544455e5be698be2e6c30077b4ec461",
              "status": "affected",
              "version": "0626e6641f6b467447c81dd7678a69c66f7746cf",
              "versionType": "git"
            },
            {
              "lessThan": "4a98e859c4673013385a54084e0cd865695ca072",
              "status": "affected",
              "version": "0626e6641f6b467447c81dd7678a69c66f7746cf",
              "versionType": "git"
            },
            {
              "lessThan": "088131b7b01099720a528a72005ff17868705d40",
              "status": "affected",
              "version": "0626e6641f6b467447c81dd7678a69c66f7746cf",
              "versionType": "git"
            },
            {
              "lessThan": "3353ab2df5f68dab7da8d5ebb427a2d265a1f2b2",
              "status": "affected",
              "version": "0626e6641f6b467447c81dd7678a69c66f7746cf",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "fs/ksmbd/smb2pdu.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.15"
            },
            {
              "lessThan": "5.15",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.112",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.28",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.2.*",
              "status": "unaffected",
              "version": "6.2.15",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.3.*",
              "status": "unaffected",
              "version": "6.3.2",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.4",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.112",
                  "versionStartIncluding": "5.15",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.28",
                  "versionStartIncluding": "5.15",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.2.15",
                  "versionStartIncluding": "5.15",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.3.2",
                  "versionStartIncluding": "5.15",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.4",
                  "versionStartIncluding": "5.15",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: not allow guest user on multichannel\n\nThis patch return STATUS_NOT_SUPPORTED if binding session is guest."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-09-03T12:31:53.065Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/ed76d3a8910be06cd4e4ba63bf6075bf903945a1"
        },
        {
          "url": "https://git.kernel.org/stable/c/1f0490586544455e5be698be2e6c30077b4ec461"
        },
        {
          "url": "https://git.kernel.org/stable/c/4a98e859c4673013385a54084e0cd865695ca072"
        },
        {
          "url": "https://git.kernel.org/stable/c/088131b7b01099720a528a72005ff17868705d40"
        },
        {
          "url": "https://git.kernel.org/stable/c/3353ab2df5f68dab7da8d5ebb427a2d265a1f2b2"
        }
      ],
      "title": "ksmbd: not allow guest user on multichannel",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2023-32249",
    "datePublished": "2025-08-16T13:25:49.645Z",
    "dateReserved": "2023-05-05T10:00:07.895Z",
    "dateUpdated": "2025-09-03T12:31:53.065Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-XV7H-524V-H227

CVE-2023-32249 (GCVE-0-2023-32249)

Tags

Sightings

Nomenclature