{
  "threat_severity" : "Low",
  "public_date" : "2012-09-24T00:00:00Z",
  "bugzilla" : {
    "description" : "Kernel: net: guard tcp_set_keepalive against crash",
    "id" : "1141742",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=1141742"
  },
  "cvss" : {
    "cvss_base_score" : "4.4",
    "cvss_scoring_vector" : "AV:L/AC:M/Au:S/C:N/I:N/A:C",
    "status" : "verified"
  },
  "details" : [ "The sock_setsockopt function in net/core/sock.c in the Linux kernel before 3.5.7 does not ensure that a keepalive action is associated with a stream socket, which allows local users to cause a denial of service (system crash) by leveraging the ability to create a raw socket.", "It was found that the Linux kernel's networking implementation did not correctly handle the setting of the keepalive socket option on raw sockets. A local user able to create a raw socket could use this flaw to crash the system." ],
  "statement" : "This issue does not affect the versions of Linux kernel as shipped with\nRed Hat Enterprise Linux 7 and Red Hat Enterprise MRG 2.\nThis issue affects the version of the kernel package as shipped with\nRed Hat Enterprise Linux 5 and 6. Future kernel updates for Red Hat Enterprise\nLinux 5 and 6 may address this issue.",
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 6",
    "release_date" : "2014-12-16T00:00:00Z",
    "advisory" : "RHSA-2014:1997",
    "cpe" : "cpe:/o:redhat:enterprise_linux:6",
    "package" : "kernel-0:2.6.32-504.3.3.el6"
  } ],
  "package_state" : [ {
    "product_name" : "Red Hat Enterprise Linux 5",
    "fix_state" : "Affected",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:5"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "fix_state" : "Not affected",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7"
  }, {
    "product_name" : "Red Hat Enterprise MRG 2",
    "fix_state" : "Not affected",
    "package_name" : "kernel",
    "cpe" : "cpe:/a:redhat:enterprise_mrg:2"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2012-6657\nhttps://nvd.nist.gov/vuln/detail/CVE-2012-6657" ],
  "name" : "CVE-2012-6657",
  "csaw" : false
}