ghsa-899p-w494-v855
Vulnerability from github
Published
2022-05-14 03:50
Modified
2025-04-20 03:50
Severity ?
3.3 (Low) - CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Details

kernel/bpf/verifier.c in the Linux kernel through 4.14.8 mishandles states_equal comparisons between the pointer data type and the UNKNOWN_VALUE data type, which allows local users to obtain potentially sensitive address information, aka a "pointer leak."

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{
  "affected": [],
  "aliases": [
    "CVE-2017-17864"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-200"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2017-12-27T17:08:00Z",
    "severity": "LOW"
  },
  "details": "kernel/bpf/verifier.c in the Linux kernel through 4.14.8 mishandles states_equal comparisons between the pointer data type and the UNKNOWN_VALUE data type, which allows local users to obtain potentially sensitive address information, aka a \"pointer leak.\"",
  "id": "GHSA-899p-w494-v855",
  "modified": "2025-04-20T03:50:30Z",
  "published": "2022-05-14T03:50:17Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2017-17864"
    },
    {
      "type": "WEB",
      "url": "https://anonscm.debian.org/cgit/kernel/linux.git/commit/?h=stretch-security\u0026id=ad775f6ff7eebb93eedc2f592bc974260e7757b0"
    },
    {
      "type": "WEB",
      "url": "https://anonscm.debian.org/cgit/kernel/linux.git/tree/debian/patches/bugfix/all/bpf-verifier-fix-states_equal-comparison-of-pointer-and-unknown.patch?h=stretch-security"
    },
    {
      "type": "WEB",
      "url": "https://usn.ubuntu.com/usn/usn-3523-2"
    },
    {
      "type": "WEB",
      "url": "https://www.debian.org/security/2017/dsa-4073"
    },
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/bid/102320"
    },
    {
      "type": "WEB",
      "url": "http://www.securitytracker.com/id/1040059"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
      "type": "CVSS_V3"
    }
  ]
}


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