{
  "threat_severity" : "Moderate",
  "public_date" : "2016-09-28T00:00:00Z",
  "bugzilla" : {
    "description" : "systemd: freeze when PID 1 receives a zero-length message over notify socket",
    "id" : "1381911",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=1381911"
  },
  "cvss" : {
    "cvss_base_score" : "5.6",
    "cvss_scoring_vector" : "AV:L/AC:L/Au:N/C:N/I:P/A:C",
    "status" : "verified"
  },
  "cvss3" : {
    "cvss3_base_score" : "6.8",
    "cvss3_scoring_vector" : "CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H",
    "status" : "verified"
  },
  "cwe" : "CWE-253",
  "details" : [ "The manager_dispatch_notify_fd function in systemd allows local users to cause a denial of service (system hang) via a zero-length message received over a notify socket, which causes an error to be returned and the notification handler to be disabled.", "A flaw was found in the way systemd handled empty notification messages. A local attacker could use this flaw to make systemd freeze its execution, preventing further management of system services, system shutdown, or zombie process collection via systemd." ],
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 7",
    "release_date" : "2015-11-19T00:00:00Z",
    "advisory" : "RHBA-2015:2092",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7",
    "package" : "systemd-0:219-19.el7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7.1 Extended Update Support",
    "release_date" : "2017-01-03T00:00:00Z",
    "advisory" : "RHSA-2017:0003",
    "cpe" : "cpe:/o:redhat:rhel_eus:7.1",
    "package" : "systemd-0:208-20.el7_1.9"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2016-7796\nhttps://nvd.nist.gov/vuln/detail/CVE-2016-7796" ],
  "name" : "CVE-2016-7796",
  "csaw" : false
}