{
  "threat_severity" : "Moderate",
  "public_date" : "2017-08-23T00:00:00Z",
  "bugzilla" : {
    "description" : "kernel: Out of bounds read in inet_diag_msg_sctp{,l}addr_fill() and sctp_get_sctp_info() in SCTP stack",
    "id" : "1480266",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=1480266"
  },
  "cvss3" : {
    "cvss3_base_score" : "5.1",
    "cvss3_scoring_vector" : "CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
    "status" : "verified"
  },
  "cwe" : "CWE-125",
  "details" : [ "A kernel data leak due to an out-of-bound read was found in the Linux kernel in inet_diag_msg_sctp{,l}addr_fill() and sctp_get_sctp_info() functions present since version 4.7-rc1 through version 4.13. A data leak happens when these functions fill in sockaddr data structures used to export socket's diagnostic information. As a result, up to 100 bytes of the slab data could be leaked to a userspace.", "A kernel data leak due to an out-of-bound read was found in the Linux kernel in inet_diag_msg_sctp{,l}addr_fill() and sctp_get_sctp_info() functions present since version 4.7-rc1 through version 4.13. A data leak happens when these functions fill in sockaddr data structures used to export socket's diagnostic information. As a result, up to 100 bytes of the slab data could be leaked to a userspace." ],
  "statement" : "This issue does not affect Red Hat Enterprise Linux 5 and 6 as the code with the flaw is not present in the products listed.\nThis issue affects Red Hat Enterprise Linux 7 and Red Hat Enterprise MRG 2. Future updates for the respective releases may address this issue.",
  "acknowledgement" : "This issue was discovered by Stefano Brivio (Red Hat).",
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 7",
    "release_date" : "2017-10-19T00:00:00Z",
    "advisory" : "RHSA-2017:2931",
    "cpe" : "cpe:/a:redhat:rhel_extras_rt:7",
    "package" : "kernel-rt-0:3.10.0-693.5.2.rt56.626.el7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "release_date" : "2017-10-19T00:00:00Z",
    "advisory" : "RHSA-2017:2930",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7",
    "package" : "kernel-0:3.10.0-693.5.2.el7"
  }, {
    "product_name" : "Red Hat Enterprise MRG 2",
    "release_date" : "2017-10-19T00:00:00Z",
    "advisory" : "RHSA-2017:2918",
    "cpe" : "cpe:/a:redhat:enterprise_mrg:2:server:el6",
    "package" : "kernel-rt-1:3.10.0-693.5.2.rt56.592.el6rt"
  } ],
  "package_state" : [ {
    "product_name" : "Red Hat Enterprise Linux 5",
    "fix_state" : "Not affected",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:5"
  }, {
    "product_name" : "Red Hat Enterprise Linux 6",
    "fix_state" : "Not affected",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "fix_state" : "Affected",
    "package_name" : "kernel-alt",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2017-7558\nhttps://nvd.nist.gov/vuln/detail/CVE-2017-7558" ],
  "name" : "CVE-2017-7558",
  "csaw" : false
}