CVE-2024-50120 (GCVE-0-2024-50120)

Vulnerability from cvelistv5 – Published: 2024-11-05 17:10 – Updated: 2026-05-11 20:45
VLAI?
Title
smb: client: Handle kstrdup failures for passwords
Summary
In the Linux kernel, the following vulnerability has been resolved: smb: client: Handle kstrdup failures for passwords In smb3_reconfigure(), after duplicating ctx->password and ctx->password2 with kstrdup(), we need to check for allocation failures. If ses->password allocation fails, return -ENOMEM. If ses->password2 allocation fails, free ses->password, set it to NULL, and return -ENOMEM.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 7e8cffa4f85e6839335d75e6b47f918d90c1d194 , < 35dbac8c328d6afe937cd45ecd41d209d0b9f8b8 (git)
Affected: c1eb537bf4560b3ad4df606c266c665624f3b502 , < 35488799b0ab6e4327f82e1d9209a60805665b37 (git)
Affected: c1eb537bf4560b3ad4df606c266c665624f3b502 , < 9a5dd61151399ad5a5d69aad28ab164734c1e3bc (git)
Affected: e78308a6dcab1e53b38b8dd952e69c515cd324d7 (git)
Affected: 2a0fc63f1f4fccfeb367d0c57b8a243cec60c26c (git)
Create a notification for this product.
Linux Linux Affected: 6.9
Unaffected: 0 , < 6.9 (semver)
Unaffected: 6.6.59 , ≤ 6.6.* (semver)
Unaffected: 6.11.6 , ≤ 6.11.* (semver)
Unaffected: 6.12 , ≤ * (original_commit_for_fix)
Create a notification for this product.
Show details on NVD website
To clipboard 

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/smb/client/fs_context.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "35dbac8c328d6afe937cd45ecd41d209d0b9f8b8",
              "status": "affected",
              "version": "7e8cffa4f85e6839335d75e6b47f918d90c1d194",
              "versionType": "git"
            },
            {
              "lessThan": "35488799b0ab6e4327f82e1d9209a60805665b37",
              "status": "affected",
              "version": "c1eb537bf4560b3ad4df606c266c665624f3b502",
              "versionType": "git"
            },
            {
              "lessThan": "9a5dd61151399ad5a5d69aad28ab164734c1e3bc",
              "status": "affected",
              "version": "c1eb537bf4560b3ad4df606c266c665624f3b502",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "e78308a6dcab1e53b38b8dd952e69c515cd324d7",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "2a0fc63f1f4fccfeb367d0c57b8a243cec60c26c",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "fs/smb/client/fs_context.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.9"
            },
            {
              "lessThan": "6.9",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.59",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.11.*",
              "status": "unaffected",
              "version": "6.11.6",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.12",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.59",
                  "versionStartIncluding": "6.6.24",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.11.6",
                  "versionStartIncluding": "6.9",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12",
                  "versionStartIncluding": "6.9",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionStartIncluding": "6.7.12",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionStartIncluding": "6.8.3",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nsmb: client: Handle kstrdup failures for passwords\n\nIn smb3_reconfigure(), after duplicating ctx-\u003epassword and\nctx-\u003epassword2 with kstrdup(), we need to check for allocation\nfailures.\n\nIf ses-\u003epassword allocation fails, return -ENOMEM.\nIf ses-\u003epassword2 allocation fails, free ses-\u003epassword, set it\nto NULL, and return -ENOMEM."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-11T20:45:48.868Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/35dbac8c328d6afe937cd45ecd41d209d0b9f8b8"
        },
        {
          "url": "https://git.kernel.org/stable/c/35488799b0ab6e4327f82e1d9209a60805665b37"
        },
        {
          "url": "https://git.kernel.org/stable/c/9a5dd61151399ad5a5d69aad28ab164734c1e3bc"
        }
      ],
      "title": "smb: client: Handle kstrdup failures for passwords",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2024-50120",
    "datePublished": "2024-11-05T17:10:49.887Z",
    "dateReserved": "2024-10-21T19:36:19.953Z",
    "dateUpdated": "2026-05-11T20:45:48.868Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2024-50120",
      "date": "2026-05-19",
      "epss": "0.00035",
      "percentile": "0.10453"
    },
    "fkie_nvd": {
      "configurations": "[{\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"6.6.24\", \"versionEndExcluding\": \"6.6.59\", \"matchCriteriaId\": \"4C017B9E-32C1-4A6A-8332-9D815CADA68C\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"6.7.12\", \"versionEndExcluding\": \"6.8\", \"matchCriteriaId\": \"D6A2C3EC-DA7B-4144-8BAF-2DBB7E8CE4C7\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"6.8.3\", \"versionEndExcluding\": \"6.9\", \"matchCriteriaId\": \"9974CA02-5BD5-4DE2-9DC2-46DDF0748BB5\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"6.9\", \"versionEndExcluding\": \"6.11.6\", \"matchCriteriaId\": \"2132686D-AA83-479C-98CA-4B9F24436525\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:6.12:rc1:*:*:*:*:*:*\", \"matchCriteriaId\": \"7F361E1D-580F-4A2D-A509-7615F73167A1\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:6.12:rc2:*:*:*:*:*:*\", \"matchCriteriaId\": \"925478D0-3E3D-4E6F-ACD5-09F28D5DF82C\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:6.12:rc3:*:*:*:*:*:*\", \"matchCriteriaId\": \"3C95E234-D335-4B6C-96BF-E2CEBD8654ED\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:6.12:rc4:*:*:*:*:*:*\", \"matchCriteriaId\": \"E0F717D8-3014-4F84-8086-0124B2111379\"}]}]}]",
      "descriptions": "[{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nsmb: client: Handle kstrdup failures for passwords\\n\\nIn smb3_reconfigure(), after duplicating ctx-\u003epassword and\\nctx-\u003epassword2 with kstrdup(), we need to check for allocation\\nfailures.\\n\\nIf ses-\u003epassword allocation fails, return -ENOMEM.\\nIf ses-\u003epassword2 allocation fails, free ses-\u003epassword, set it\\nto NULL, and return -ENOMEM.\"}, {\"lang\": \"es\", \"value\": \" En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: smb: cliente: Manejar errores de kstrdup para contrase\\u00f1as. En smb3_reconfigure(), despu\\u00e9s de duplicar ctx-\u0026gt;password y ctx-\u0026gt;password2 con kstrdup(), debemos verificar si hay errores de asignaci\\u00f3n. Si la asignaci\\u00f3n de ses-\u0026gt;password falla, devuelva -ENOMEM. Si la asignaci\\u00f3n de ses-\u0026gt;password2 falla, libere ses-\u0026gt;password, config\\u00farelo en NULL y devuelva -ENOMEM.\"}]",
      "id": "CVE-2024-50120",
      "lastModified": "2024-11-08T18:04:08.080",
      "metrics": "{\"cvssMetricV31\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\", \"baseScore\": 5.5, \"baseSeverity\": \"MEDIUM\", \"attackVector\": \"LOCAL\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"LOW\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 1.8, \"impactScore\": 3.6}]}",
      "published": "2024-11-05T18:15:15.023",
      "references": "[{\"url\": \"https://git.kernel.org/stable/c/35488799b0ab6e4327f82e1d9209a60805665b37\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/35dbac8c328d6afe937cd45ecd41d209d0b9f8b8\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/9a5dd61151399ad5a5d69aad28ab164734c1e3bc\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"tags\": [\"Patch\"]}]",
      "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "vulnStatus": "Undergoing Analysis",
      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"NVD-CWE-noinfo\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2024-50120\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-11-05T18:15:15.023\",\"lastModified\":\"2026-04-06T14:01:16.150\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nsmb: client: Handle kstrdup failures for passwords\\n\\nIn smb3_reconfigure(), after duplicating ctx-\u003epassword and\\nctx-\u003epassword2 with kstrdup(), we need to check for allocation\\nfailures.\\n\\nIf ses-\u003epassword allocation fails, return -ENOMEM.\\nIf ses-\u003epassword2 allocation fails, free ses-\u003epassword, set it\\nto NULL, and return -ENOMEM.\"},{\"lang\":\"es\",\"value\":\" En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: smb: cliente: Manejar errores de kstrdup para contrase\u00f1as. En smb3_reconfigure(), despu\u00e9s de duplicar ctx-\u0026gt;password y ctx-\u0026gt;password2 con kstrdup(), debemos verificar si hay errores de asignaci\u00f3n. Si la asignaci\u00f3n de ses-\u0026gt;password falla, devuelva -ENOMEM. Si la asignaci\u00f3n de ses-\u0026gt;password2 falla, libere ses-\u0026gt;password, config\u00farelo en NULL y devuelva -ENOMEM.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"NVD-CWE-noinfo\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.6.24\",\"versionEndExcluding\":\"6.6.59\",\"matchCriteriaId\":\"4C017B9E-32C1-4A6A-8332-9D815CADA68C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.7.12\",\"versionEndExcluding\":\"6.8\",\"matchCriteriaId\":\"D6A2C3EC-DA7B-4144-8BAF-2DBB7E8CE4C7\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.8.3\",\"versionEndExcluding\":\"6.11.6\",\"matchCriteriaId\":\"169D202A-BA55-469F-9AA4-F2622323550C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.12:rc1:*:*:*:*:*:*\",\"matchCriteriaId\":\"7F361E1D-580F-4A2D-A509-7615F73167A1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.12:rc2:*:*:*:*:*:*\",\"matchCriteriaId\":\"925478D0-3E3D-4E6F-ACD5-09F28D5DF82C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.12:rc3:*:*:*:*:*:*\",\"matchCriteriaId\":\"3C95E234-D335-4B6C-96BF-E2CEBD8654ED\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.12:rc4:*:*:*:*:*:*\",\"matchCriteriaId\":\"E0F717D8-3014-4F84-8086-0124B2111379\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/35488799b0ab6e4327f82e1d9209a60805665b37\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/35dbac8c328d6afe937cd45ecd41d209d0b9f8b8\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/9a5dd61151399ad5a5d69aad28ab164734c1e3bc\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.