{
  "schema_version": "1.4.0",
  "id": "GHSA-2hqc-mrj5-72jg",
  "modified": "2025-04-20T03:35:26Z",
  "published": "2022-05-13T01:44:54Z",
  "aliases": [
    "CVE-2017-2671"
  ],
  "details": "The ping_unhash function in net/ipv4/ping.c in the Linux kernel through 4.10.8 is too late in obtaining a certain lock and consequently cannot ensure that disconnect function calls are safe, which allows local users to cause a denial of service (panic) by leveraging access to the protocol value of IPPROTO_ICMP in a socket system call.",
  "severity": [
    {
      "type": "CVSS_V3",
      "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
    }
  ],
  "affected": [],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2017-2671"
    },
    {
      "type": "WEB",
      "url": "https://github.com/torvalds/linux/commit/43a6684519ab0a6c52024b5e25322476cabad893"
    },
    {
      "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-2017:2669"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2018:1854"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/security/cve/CVE-2017-2671"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1436649"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git/commit/net/ipv4/ping.c?id=43a6684519ab0a6c52024b5e25322476cabad893"
    },
    {
      "type": "WEB",
      "url": "https://github.com/danieljiang0415/android_kernel_crash_poc"
    },
    {
      "type": "WEB",
      "url": "https://twitter.com/danieljiang0415/status/845116665184497664"
    },
    {
      "type": "WEB",
      "url": "https://usn.ubuntu.com/3754-1"
    },
    {
      "type": "WEB",
      "url": "https://www.exploit-db.com/exploits/42135"
    },
    {
      "type": "WEB",
      "url": "http://openwall.com/lists/oss-security/2017/04/04/8"
    },
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/bid/97407"
    }
  ],
  "database_specific": {
    "cwe_ids": [],
    "severity": "MODERATE",
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2017-04-05T06:59:00Z"
  }
}