ghsa-5g7w-f343-53g9
Vulnerability from github
Published
2024-05-01 06:31
Modified
2025-09-18 15:30
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:

kprobes/x86: Use copy_from_kernel_nofault() to read from unsafe address

Read from an unsafe address with copy_from_kernel_nofault() in arch_adjust_kprobe_addr() because this function is used before checking the address is in text or not. Syzcaller bot found a bug and reported the case if user specifies inaccessible data area, arch_adjust_kprobe_addr() will cause a kernel panic.

[ mingo: Clarified the comment. ]

Show details on source website

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{
  "affected": [],
  "aliases": [
    "CVE-2024-26946"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-617"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-05-01T06:15:10Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nkprobes/x86: Use copy_from_kernel_nofault() to read from unsafe address\n\nRead from an unsafe address with copy_from_kernel_nofault() in\narch_adjust_kprobe_addr() because this function is used before checking\nthe address is in text or not. Syzcaller bot found a bug and reported\nthe case if user specifies inaccessible data area,\narch_adjust_kprobe_addr() will cause a kernel panic.\n\n[ mingo: Clarified the comment. ]",
  "id": "GHSA-5g7w-f343-53g9",
  "modified": "2025-09-18T15:30:21Z",
  "published": "2024-05-01T06:31:41Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-26946"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/20fdb21eabaeb8f78f8f701f56d14ea0836ec861"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4e51653d5d871f40f1bd5cf95cc7f2d8b33d063b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6417684315087904fffe8966d27ca74398c57dd6"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b69f577308f1070004cafac106dd1a44099e5483"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f13edd1871d4fb4ab829aff629d47914e251bae3"
    }
  ],
  "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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