{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "92964c79b357efd980812c4de5c1fd2ec8bb5520"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "92964c79b357efd980812c4de5c1fd2ec8bb5520"
            }
          ],
          "repo": "https://github.com/torvalds/linux",
          "type": "GIT"
        }
      ]
    }
  ],
  "details": "Race condition in the netlink_dump function in net/netlink/af_netlink.c in the Linux kernel before 4.6.3 allows local users to cause a denial of service (double free) or possibly have unspecified other impact via a crafted application that makes sendmsg system calls, leading to a free operation associated with a new dump that started earlier than anticipated.",
  "id": "CVE-2016-9806",
  "modified": "2026-03-04T08:34:40.917454787Z",
  "published": "2016-12-28T07:59:00.667Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=92964c79b357efd980812c4de5c1fd2ec8bb5520"
    },
    {
      "type": "ADVISORY",
      "url": "http://lists.openwall.net/netdev/2016/05/15/69"
    },
    {
      "type": "ADVISORY",
      "url": "http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.6.3"
    },
    {
      "type": "ADVISORY",
      "url": "http://www.openwall.com/lists/oss-security/2016/12/03/4"
    },
    {
      "type": "ADVISORY",
      "url": "http://www.securityfocus.com/bid/94653"
    },
    {
      "type": "ADVISORY",
      "url": "http://www.securitytracker.com/id/1037968"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2017:1842"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2017:2077"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2017:2669"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/torvalds/linux/commit/92964c79b357efd980812c4de5c1fd2ec8bb5520"
    },
    {
      "type": "ADVISORY",
      "url": "https://source.android.com/security/bulletin/2017-03-01.html"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1401502"
    },
    {
      "type": "FIX",
      "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=92964c79b357efd980812c4de5c1fd2ec8bb5520"
    },
    {
      "type": "FIX",
      "url": "http://www.openwall.com/lists/oss-security/2016/12/03/4"
    },
    {
      "type": "FIX",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1401502"
    },
    {
      "type": "FIX",
      "url": "https://github.com/torvalds/linux/commit/92964c79b357efd980812c4de5c1fd2ec8bb5520"
    },
    {
      "type": "ARTICLE",
      "url": "http://lists.openwall.net/netdev/2016/05/15/69"
    },
    {
      "type": "ARTICLE",
      "url": "http://www.openwall.com/lists/oss-security/2016/12/03/4"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}