FKIE_CVE-2024-47677

Vulnerability from fkie_nvd - Published: 2024-10-21 12:15 - Updated: 2026-06-17 07:57
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: exfat: resolve memory leak from exfat_create_upcase_table() If exfat_load_upcase_table reaches end and returns -EINVAL, allocated memory doesn't get freed and while exfat_load_default_upcase_table allocates more memory, leading to a memory leak. Here's link to syzkaller crash report illustrating this issue: https://syzkaller.appspot.com/text?tag=CrashReport&x=1406c201980000
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/331ed2c739ce656a67865f6b3ee0a478349d78cbPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/c290fe508eee36df1640c3cb35dc8f89e073c8a8Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/f9835aec49670c46ebe2973032caaa1043b3d4daPatch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/exfat/nls.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "f9835aec49670c46ebe2973032caaa1043b3d4da",
              "status": "affected",
              "version": "a13d1a4de3b0fe3c41d818697d691c886c5585fa",
              "versionType": "git"
            },
            {
              "lessThan": "331ed2c739ce656a67865f6b3ee0a478349d78cb",
              "status": "affected",
              "version": "a13d1a4de3b0fe3c41d818697d691c886c5585fa",
              "versionType": "git"
            },
            {
              "lessThan": "c290fe508eee36df1640c3cb35dc8f89e073c8a8",
              "status": "affected",
              "version": "a13d1a4de3b0fe3c41d818697d691c886c5585fa",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "fs/exfat/nls.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.8"
            },
            {
              "lessThan": "6.8",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.10.*",
              "status": "unaffected",
              "version": "6.10.13",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.11.*",
              "status": "unaffected",
              "version": "6.11.2",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.12",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "C22AF5AC-7F54-4360-A603-8A032CC9087A",
              "versionEndExcluding": "6.10.13",
              "versionStartIncluding": "6.8",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "AB755D26-97F4-43B6-8604-CD076811E181",
              "versionEndExcluding": "6.11.2",
              "versionStartIncluding": "6.11",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nexfat: resolve memory leak from exfat_create_upcase_table()\n\nIf exfat_load_upcase_table reaches end and returns -EINVAL,\nallocated memory doesn\u0027t get freed and while\nexfat_load_default_upcase_table allocates more memory, leading to a\nmemory leak.\n\nHere\u0027s link to syzkaller crash report illustrating this issue:\nhttps://syzkaller.appspot.com/text?tag=CrashReport\u0026x=1406c201980000"
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: exfat: resuelve la p\u00e9rdida de memoria de exfat_create_upcase_table() Si exfat_load_upcase_table llega al final y devuelve -EINVAL, la memoria asignada no se libera y mientras exfat_load_default_upcase_table asigna m\u00e1s memoria, lo que provoca una p\u00e9rdida de memoria. Aqu\u00ed hay un enlace al informe de fallos de syzkaller que ilustra este problema: https://syzkaller.appspot.com/text?tag=CrashReport\u0026amp;x=1406c201980000"
    }
  ],
  "id": "CVE-2024-47677",
  "lastModified": "2026-06-17T07:57:31.133",
  "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"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2024-47677",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-10-21T13:07:50.723044Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2024-10-21T12:15:04.760",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/331ed2c739ce656a67865f6b3ee0a478349d78cb"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/c290fe508eee36df1640c3cb35dc8f89e073c8a8"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/f9835aec49670c46ebe2973032caaa1043b3d4da"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-401"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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