USN-3220-3 (UBUNTU-CVE-2017-2636)

Vulnerability from osv_ubuntu – Published: 2017-03-09 00:51 – Updated: 2026-02-10 04:41 – Source website
VLAI
Summary
linux-aws vulnerability
Details

USN-3220-1 fixed a vulnerability in the Linux kernel. This update provides the corresponding updates for the Linux kernel for Amazon Web Services (AWS).

Alexander Popov discovered that the N_HDLC line discipline implementation in the Linux kernel contained a double-free vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly gain administrative privileges.

References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2017-2636",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "high",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:16.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "linux-aws-cloud-tools-4.4.0-1007",
            "binary_version": "4.4.0-1007.16"
          },
          {
            "binary_name": "linux-aws-cloud-tools-common",
            "binary_version": "4.4.0-1007.16"
          },
          {
            "binary_name": "linux-aws-headers-4.4.0-1007",
            "binary_version": "4.4.0-1007.16"
          },
          {
            "binary_name": "linux-aws-source-4.4.0",
            "binary_version": "4.4.0-1007.16"
          },
          {
            "binary_name": "linux-aws-tools-4.4.0-1007",
            "binary_version": "4.4.0-1007.16"
          },
          {
            "binary_name": "linux-aws-tools-common",
            "binary_version": "4.4.0-1007.16"
          },
          {
            "binary_name": "linux-cloud-tools-4.4.0-1007-aws",
            "binary_version": "4.4.0-1007.16"
          },
          {
            "binary_name": "linux-headers-4.4.0-1007-aws",
            "binary_version": "4.4.0-1007.16"
          },
          {
            "binary_name": "linux-image-4.4.0-1007-aws",
            "binary_version": "4.4.0-1007.16"
          },
          {
            "binary_name": "linux-tools-4.4.0-1007-aws",
            "binary_version": "4.4.0-1007.16"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "linux-aws",
        "purl": "pkg:deb/ubuntu/linux-aws@4.4.0-1007.16?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.4.0-1007.16"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "4.4.0-1001.10",
        "4.4.0-1003.12",
        "4.4.0-1004.13"
      ]
    }
  ],
  "aliases": [],
  "details": "USN-3220-1 fixed a vulnerability in the Linux kernel. This update\nprovides the corresponding updates for the Linux kernel for Amazon\nWeb Services (AWS).\n\nAlexander Popov discovered that the N_HDLC line discipline implementation\nin the Linux kernel contained a double-free vulnerability. A local attacker\ncould use this to cause a denial of service (system crash) or possibly gain\nadministrative privileges.\n",
  "id": "USN-3220-3",
  "modified": "2026-02-10T04:41:06Z",
  "published": "2017-03-09T00:51:57Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-3220-3"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2017-2636"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "linux-aws vulnerability",
  "upstream": [
    "UBUNTU-CVE-2017-2636"
  ]
}



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