{
  "threat_severity" : "Moderate",
  "public_date" : "2014-10-09T00:00:00Z",
  "bugzilla" : {
    "description" : "Kernel: fs: ext4 race condition",
    "id" : "1151353",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=1151353"
  },
  "cvss" : {
    "cvss_base_score" : "4.7",
    "cvss_scoring_vector" : "AV:L/AC:M/Au:N/C:N/I:N/A:C",
    "status" : "verified"
  },
  "details" : [ "Race condition in the ext4_file_write_iter function in fs/ext4/file.c in the Linux kernel through 3.17 allows local users to cause a denial of service (file unavailability) via a combination of a write action and an F_SETFL fcntl operation for the O_DIRECT flag.", "A race condition flaw was found in the Linux kernel's ext4 file system implementation that allowed a local, unprivileged user to crash the system by simultaneously writing to a file and toggling the O_DIRECT flag using fcntl(F_SETFL) on that file." ],
  "statement" : "This issue does not affect the versions of Linux kernel as shipped with\nRed Hat Enterprise Linux 5 and Red Hat Enterprise Linux 6.\nThis issue affects the version of the kernel package as shipped with\nRed Hat Enterprise Linux 7 and Red Hat Enterprise MRG 2. Future kernel updates\nfor Red Hat Enterprise Linux 7 and Red Hat Enterprise MRG 2 may address this\nissue.",
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 7",
    "release_date" : "2015-03-05T00:00:00Z",
    "advisory" : "RHSA-2015:0290",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7",
    "package" : "kernel-0:3.10.0-229.el7"
  }, {
    "product_name" : "Red Hat Enterprise MRG 2",
    "release_date" : "2015-03-17T00:00:00Z",
    "advisory" : "RHSA-2015:0694",
    "cpe" : "cpe:/a:redhat:enterprise_mrg:2:server:el6",
    "package" : "kernel-rt-1:3.10.0-229.rt56.144.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"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2014-8086\nhttps://nvd.nist.gov/vuln/detail/CVE-2014-8086" ],
  "name" : "CVE-2014-8086",
  "csaw" : false
}