ghsa-vfg5-pf24-9v2v
Vulnerability from github
Published
2022-05-13 01:44
Modified
2025-04-20 03:50
Severity ?
3.3 (Low) - CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Details

The KEYS subsystem in the Linux kernel before 4.14.6 omitted an access-control check when adding a key to the current task's "default request-key keyring" via the request_key() system call, allowing a local user to use a sequence of crafted system calls to add keys to a keyring with only Search permission (not Write permission) to that keyring, related to construct_get_dest_keyring() in security/keys/request_key.c.

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{
  "affected": [],
  "aliases": [
    "CVE-2017-17807"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-862"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2017-12-20T23:29:00Z",
    "severity": "LOW"
  },
  "details": "The KEYS subsystem in the Linux kernel before 4.14.6 omitted an access-control check when adding a key to the current task\u0027s \"default request-key keyring\" via the request_key() system call, allowing a local user to use a sequence of crafted system calls to add keys to a keyring with only Search permission (not Write permission) to that keyring, related to construct_get_dest_keyring() in security/keys/request_key.c.",
  "id": "GHSA-vfg5-pf24-9v2v",
  "modified": "2025-04-20T03:50:21Z",
  "published": "2022-05-13T01:44:30Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2017-17807"
    },
    {
      "type": "WEB",
      "url": "https://github.com/torvalds/linux/commit/4dca6ea1d9432052afb06baf2e3ae78188a4410b"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2018/01/msg00004.html"
    },
    {
      "type": "WEB",
      "url": "https://usn.ubuntu.com/3617-1"
    },
    {
      "type": "WEB",
      "url": "https://usn.ubuntu.com/3617-2"
    },
    {
      "type": "WEB",
      "url": "https://usn.ubuntu.com/3617-3"
    },
    {
      "type": "WEB",
      "url": "https://usn.ubuntu.com/3619-1"
    },
    {
      "type": "WEB",
      "url": "https://usn.ubuntu.com/3619-2"
    },
    {
      "type": "WEB",
      "url": "https://usn.ubuntu.com/3620-1"
    },
    {
      "type": "WEB",
      "url": "https://usn.ubuntu.com/3620-2"
    },
    {
      "type": "WEB",
      "url": "https://usn.ubuntu.com/3632-1"
    },
    {
      "type": "WEB",
      "url": "https://www.debian.org/security/2017/dsa-4073"
    },
    {
      "type": "WEB",
      "url": "https://www.debian.org/security/2018/dsa-4082"
    },
    {
      "type": "WEB",
      "url": "https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.6"
    },
    {
      "type": "WEB",
      "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4dca6ea1d9432052afb06baf2e3ae78188a4410b"
    },
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/bid/102301"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N",
      "type": "CVSS_V3"
    }
  ]
}


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