ghsa-87jj-2mgc-93qw
Vulnerability from github
Published
2024-10-21 12:30
Modified
2024-10-22 18:32
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Details

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

Show details on source website

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{
  "affected": [],
  "aliases": [
    "CVE-2024-47677"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-401"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-10-21T12:15:04Z",
    "severity": "MODERATE"
  },
  "details": "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",
  "id": "GHSA-87jj-2mgc-93qw",
  "modified": "2024-10-22T18:32:09Z",
  "published": "2024-10-21T12:30:54Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-47677"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/331ed2c739ce656a67865f6b3ee0a478349d78cb"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c290fe508eee36df1640c3cb35dc8f89e073c8a8"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f9835aec49670c46ebe2973032caaa1043b3d4da"
    }
  ],
  "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"
    }
  ]
}


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