ghsa-xj9w-qxv5-jhjg
Vulnerability from github
Published
2022-05-14 03:06
Modified
2022-05-14 03:06
Severity ?
9.8 (Critical) - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Details

An issue was discovered in the Linux kernel through 4.17.2. The filter parsing in kernel/trace/trace_events_filter.c could be called with no filter, which is an N=0 case when it expected at least one line to have been read, thus making the N-1 index invalid. This allows attackers to cause a denial of service (slab out-of-bounds write) or possibly have unspecified other impact via crafted perf_event_open and mmap system calls.

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{
  "affected": [],
  "aliases": [
    "CVE-2018-12714"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-787"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2018-06-24T23:29:00Z",
    "severity": "CRITICAL"
  },
  "details": "An issue was discovered in the Linux kernel through 4.17.2. The filter parsing in kernel/trace/trace_events_filter.c could be called with no filter, which is an N=0 case when it expected at least one line to have been read, thus making the N-1 index invalid. This allows attackers to cause a denial of service (slab out-of-bounds write) or possibly have unspecified other impact via crafted perf_event_open and mmap system calls.",
  "id": "GHSA-xj9w-qxv5-jhjg",
  "modified": "2022-05-14T03:06:07Z",
  "published": "2022-05-14T03:06:07Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-12714"
    },
    {
      "type": "WEB",
      "url": "https://github.com/torvalds/linux/commit/81f9c4e4177d31ced6f52a89bb70e93bfb77ca03"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.kernel.org/show_bug.cgi?id=200019"
    },
    {
      "type": "WEB",
      "url": "https://github.com/lcytxw/bug_repro/tree/master/bug_200019"
    },
    {
      "type": "WEB",
      "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=81f9c4e4177d31ced6f52a89bb70e93bfb77ca03"
    },
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/bid/104544"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}


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