ghsa-6723-4j9m-72qg
Vulnerability from github
Published
2022-05-14 01:41
Modified
2025-04-20 03:35
Severity ?
7.8 (High) - CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Details

The KEYS subsystem in the Linux kernel before 3.18 allows local users to gain privileges or cause a denial of service (NULL pointer dereference and system crash) via vectors involving a NULL value for a certain match field, related to the keyring_search_iterator function in keyring.c.

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{
  "affected": [],
  "aliases": [
    "CVE-2017-2647"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-476"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2017-03-31T04:59:00Z",
    "severity": "HIGH"
  },
  "details": "The KEYS subsystem in the Linux kernel before 3.18 allows local users to gain privileges or cause a denial of service (NULL pointer dereference and system crash) via vectors involving a NULL value for a certain match field, related to the keyring_search_iterator function in keyring.c.",
  "id": "GHSA-6723-4j9m-72qg",
  "modified": "2025-04-20T03:35:04Z",
  "published": "2022-05-14T01:41:09Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2017-2647"
    },
    {
      "type": "WEB",
      "url": "https://github.com/torvalds/linux/commit/c06cfb08b88dfbe13be44a69ae2fdc3a7c902d81"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2017:1842"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2017:2077"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2017:2437"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2017:2444"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2020:3548"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2020:3836"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/security/cve/CVE-2017-2647"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1428353"
    },
    {
      "type": "WEB",
      "url": "https://usn.ubuntu.com/3849-1"
    },
    {
      "type": "WEB",
      "url": "https://usn.ubuntu.com/3849-2"
    },
    {
      "type": "WEB",
      "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c06cfb08b88dfbe13be44a69ae2fdc3a7c902d81"
    },
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/bid/97258"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}


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