Vulnerability-Lookup

FKIE_CVE-2026-23303

Vulnerability from fkie_nvd - Published: 2026-03-25 11:16 - Updated: 2026-05-28 14:40

Severity

5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Summary

In the Linux kernel, the following vulnerability has been resolved: smb: client: Don't log plaintext credentials in cifs_set_cifscreds When debug logging is enabled, cifs_set_cifscreds() logs the key payload and exposes the plaintext username and password. Remove the debug log to avoid exposing credentials.

References

URL	Tags
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/2ef0fc3bf49db2b9df36d5f44508c9e384bfa2a1	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/2f37dc436d4e61ff7ae0b0353cf91b8c10396e4d	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/3990f352bb0adc8688d0949a9c13e3110570eb61	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/3e182701db612ddd794ccd5ed822e6cc1db2b972	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/54c570de9a35860dfa85fe668f23ddfda8cc7e26	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/b746a357abfb8fdb0a171d51ec5091e786d34be1	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/e5a3b11e07b335006371915b2da47b6056c9e3bc	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/ff0ece8ed04180c52167c003362284b23cf54e8d	Patch

Impacted products

Vendor	Product	Version
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	3.3
linux	linux_kernel	3.3
linux	linux_kernel	3.3
linux	linux_kernel	3.3
linux	linux_kernel	3.3
linux	linux_kernel	3.3
linux	linux_kernel	3.3
linux	linux_kernel	7.0

JSON

To clipboard

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "FE4099A0-CF1A-4587-B409-7ECEFEBD0176",
              "versionEndExcluding": "5.10.253",
              "versionStartIncluding": "3.3.1",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "20DDB3E9-AABF-4107-ADB0-5362AA067045",
              "versionEndExcluding": "5.15.203",
              "versionStartIncluding": "5.11",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "2EDC6BAF-B710-4E26-B6AA-D68922EE7B43",
              "versionEndExcluding": "6.1.167",
              "versionStartIncluding": "5.16",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "C57BB918-DF28-46B3-94F7-144176841267",
              "versionEndExcluding": "6.6.130",
              "versionStartIncluding": "6.2",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "B3D12E00-E42D-4056-B354-BAD4903C03A5",
              "versionEndExcluding": "6.12.77",
              "versionStartIncluding": "6.7",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "A5E006E4-59C7-43C1-9231-62A72219F2BA",
              "versionEndExcluding": "6.18.17",
              "versionStartIncluding": "6.13",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "69245D10-0B71-485E-80C3-A64F077004D3",
              "versionEndExcluding": "6.19.7",
              "versionStartIncluding": "6.19",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:3.3:-:*:*:*:*:*:*",
              "matchCriteriaId": "938CA222-4FA5-49B6-B828-242572B8208E",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:3.3:rc2:*:*:*:*:*:*",
              "matchCriteriaId": "DBFD2ACD-728A-4082-BB6A-A1EF6E58E47D",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:3.3:rc3:*:*:*:*:*:*",
              "matchCriteriaId": "C31B0E51-F62D-4053-B04F-FC4D5BC373D2",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:3.3:rc4:*:*:*:*:*:*",
              "matchCriteriaId": "A914303E-1CB6-4AAD-9F5F-DE5433C4E814",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:3.3:rc5:*:*:*:*:*:*",
              "matchCriteriaId": "203BBA69-90B2-4C5E-8023-C14180742421",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:3.3:rc6:*:*:*:*:*:*",
              "matchCriteriaId": "0DBFAB53-B889-4028-AC0E-7E165B152A18",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:3.3:rc7:*:*:*:*:*:*",
              "matchCriteriaId": "FE409AEC-F677-4DEF-8EB7-2C35809043CE",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:7.0:rc1:*:*:*:*:*:*",
              "matchCriteriaId": "F253B622-8837-4245-BCE5-A7BF8FC76A16",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nsmb: client: Don\u0027t log plaintext credentials in cifs_set_cifscreds\n\nWhen debug logging is enabled, cifs_set_cifscreds() logs the key\npayload and exposes the plaintext username and password. Remove the\ndebug log to avoid exposing credentials."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nsmb: cliente: No registrar credenciales en texto plano en cifs_set_cifscreds\n\nCuando el registro de depuraci\u00f3n est\u00e1 habilitado, cifs_set_cifscreds() registra la carga \u00fatil de la clave y expone el nombre de usuario y la contrase\u00f1a en texto plano. Eliminar el registro de depuraci\u00f3n para evitar exponer credenciales."
    }
  ],
  "id": "CVE-2026-23303",
  "lastModified": "2026-05-28T14:40:06.433",
  "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": "2026-03-25T11:16:26.060",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/2ef0fc3bf49db2b9df36d5f44508c9e384bfa2a1"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/2f37dc436d4e61ff7ae0b0353cf91b8c10396e4d"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/3990f352bb0adc8688d0949a9c13e3110570eb61"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/3e182701db612ddd794ccd5ed822e6cc1db2b972"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/54c570de9a35860dfa85fe668f23ddfda8cc7e26"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/b746a357abfb8fdb0a171d51ec5091e786d34be1"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/e5a3b11e07b335006371915b2da47b6056c9e3bc"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/ff0ece8ed04180c52167c003362284b23cf54e8d"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

CVE-2026-23303 (GCVE-0-2026-23303)

Vulnerability from cvelistv5 – Published: 2026-03-25 10:26 – Updated: 2026-05-11 22:04

Title

smb: client: Don't log plaintext credentials in cifs_set_cifscreds

Summary

Severity

No CVSS data available.

Assigner

Linux

References

8 references

URL	Tags
https://git.kernel.org/stable/c/e5a3b11e07b335006…
https://git.kernel.org/stable/c/54c570de9a35860df…
https://git.kernel.org/stable/c/ff0ece8ed04180c52…
https://git.kernel.org/stable/c/3990f352bb0adc868…
https://git.kernel.org/stable/c/b746a357abfb8fdb0…
https://git.kernel.org/stable/c/2ef0fc3bf49db2b9d…
https://git.kernel.org/stable/c/3e182701db612ddd7…
https://git.kernel.org/stable/c/2f37dc436d4e61ff7…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 8a8798a5ff90977d6459ce1d657cf8fe13a51e97 , < e5a3b11e07b335006371915b2da47b6056c9e3bc (git) Affected: 8a8798a5ff90977d6459ce1d657cf8fe13a51e97 , < 54c570de9a35860dfa85fe668f23ddfda8cc7e26 (git) Affected: 8a8798a5ff90977d6459ce1d657cf8fe13a51e97 , < ff0ece8ed04180c52167c003362284b23cf54e8d (git) Affected: 8a8798a5ff90977d6459ce1d657cf8fe13a51e97 , < 3990f352bb0adc8688d0949a9c13e3110570eb61 (git) Affected: 8a8798a5ff90977d6459ce1d657cf8fe13a51e97 , < b746a357abfb8fdb0a171d51ec5091e786d34be1 (git) Affected: 8a8798a5ff90977d6459ce1d657cf8fe13a51e97 , < 2ef0fc3bf49db2b9df36d5f44508c9e384bfa2a1 (git) Affected: 8a8798a5ff90977d6459ce1d657cf8fe13a51e97 , < 3e182701db612ddd794ccd5ed822e6cc1db2b972 (git) Affected: 8a8798a5ff90977d6459ce1d657cf8fe13a51e97 , < 2f37dc436d4e61ff7ae0b0353cf91b8c10396e4d (git)
Linux	Linux	Affected: 3.3 Unaffected: 0 , < 3.3 (semver) Unaffected: 5.10.253 , ≤ 5.10.* (semver) Unaffected: 5.15.203 , ≤ 5.15.* (semver) Unaffected: 6.1.167 , ≤ 6.1.* (semver) Unaffected: 6.6.130 , ≤ 6.6.* (semver) Unaffected: 6.12.77 , ≤ 6.12.* (semver) Unaffected: 6.18.17 , ≤ 6.18.* (semver) Unaffected: 6.19.7 , ≤ 6.19.* (semver) Unaffected: 7.0 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/smb/client/connect.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "e5a3b11e07b335006371915b2da47b6056c9e3bc",
              "status": "affected",
              "version": "8a8798a5ff90977d6459ce1d657cf8fe13a51e97",
              "versionType": "git"
            },
            {
              "lessThan": "54c570de9a35860dfa85fe668f23ddfda8cc7e26",
              "status": "affected",
              "version": "8a8798a5ff90977d6459ce1d657cf8fe13a51e97",
              "versionType": "git"
            },
            {
              "lessThan": "ff0ece8ed04180c52167c003362284b23cf54e8d",
              "status": "affected",
              "version": "8a8798a5ff90977d6459ce1d657cf8fe13a51e97",
              "versionType": "git"
            },
            {
              "lessThan": "3990f352bb0adc8688d0949a9c13e3110570eb61",
              "status": "affected",
              "version": "8a8798a5ff90977d6459ce1d657cf8fe13a51e97",
              "versionType": "git"
            },
            {
              "lessThan": "b746a357abfb8fdb0a171d51ec5091e786d34be1",
              "status": "affected",
              "version": "8a8798a5ff90977d6459ce1d657cf8fe13a51e97",
              "versionType": "git"
            },
            {
              "lessThan": "2ef0fc3bf49db2b9df36d5f44508c9e384bfa2a1",
              "status": "affected",
              "version": "8a8798a5ff90977d6459ce1d657cf8fe13a51e97",
              "versionType": "git"
            },
            {
              "lessThan": "3e182701db612ddd794ccd5ed822e6cc1db2b972",
              "status": "affected",
              "version": "8a8798a5ff90977d6459ce1d657cf8fe13a51e97",
              "versionType": "git"
            },
            {
              "lessThan": "2f37dc436d4e61ff7ae0b0353cf91b8c10396e4d",
              "status": "affected",
              "version": "8a8798a5ff90977d6459ce1d657cf8fe13a51e97",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "fs/smb/client/connect.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "3.3"
            },
            {
              "lessThan": "3.3",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.253",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.203",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.167",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.130",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.77",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.17",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.19.*",
              "status": "unaffected",
              "version": "6.19.7",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.0",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.10.253",
                  "versionStartIncluding": "3.3",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.203",
                  "versionStartIncluding": "3.3",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.167",
                  "versionStartIncluding": "3.3",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.130",
                  "versionStartIncluding": "3.3",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.77",
                  "versionStartIncluding": "3.3",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.17",
                  "versionStartIncluding": "3.3",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.19.7",
                  "versionStartIncluding": "3.3",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.0",
                  "versionStartIncluding": "3.3",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nsmb: client: Don\u0027t log plaintext credentials in cifs_set_cifscreds\n\nWhen debug logging is enabled, cifs_set_cifscreds() logs the key\npayload and exposes the plaintext username and password. Remove the\ndebug log to avoid exposing credentials."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-11T22:04:16.573Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/e5a3b11e07b335006371915b2da47b6056c9e3bc"
        },
        {
          "url": "https://git.kernel.org/stable/c/54c570de9a35860dfa85fe668f23ddfda8cc7e26"
        },
        {
          "url": "https://git.kernel.org/stable/c/ff0ece8ed04180c52167c003362284b23cf54e8d"
        },
        {
          "url": "https://git.kernel.org/stable/c/3990f352bb0adc8688d0949a9c13e3110570eb61"
        },
        {
          "url": "https://git.kernel.org/stable/c/b746a357abfb8fdb0a171d51ec5091e786d34be1"
        },
        {
          "url": "https://git.kernel.org/stable/c/2ef0fc3bf49db2b9df36d5f44508c9e384bfa2a1"
        },
        {
          "url": "https://git.kernel.org/stable/c/3e182701db612ddd794ccd5ed822e6cc1db2b972"
        },
        {
          "url": "https://git.kernel.org/stable/c/2f37dc436d4e61ff7ae0b0353cf91b8c10396e4d"
        }
      ],
      "title": "smb: client: Don\u0027t log plaintext credentials in cifs_set_cifscreds",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-23303",
    "datePublished": "2026-03-25T10:26:58.166Z",
    "dateReserved": "2026-01-13T15:37:45.993Z",
    "dateUpdated": "2026-05-11T22:04:16.573Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date	Other

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

FKIE_CVE-2026-23303

CVE-2026-23303 (GCVE-0-2026-23303)

Tags

Sightings

Nomenclature