ghsa-899p-w494-v855
Vulnerability from github
Published
2022-05-14 03:50
Modified
2022-05-14 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: "2022-05-14T03:50:17Z",
   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&id=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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