{
  "threat_severity" : "Low",
  "public_date" : "2014-10-08T00:00:00Z",
  "bugzilla" : {
    "description" : "Kernel: fs: umount denial of service",
    "id" : "1151108",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=1151108"
  },
  "cvss" : {
    "cvss_base_score" : "2.9",
    "cvss_scoring_vector" : "AV:A/AC:M/Au:N/C:N/I:N/A:P",
    "status" : "verified"
  },
  "details" : [ "The do_umount function in fs/namespace.c in the Linux kernel through 3.17 does not require the CAP_SYS_ADMIN capability for do_remount_sb calls that change the root filesystem to read-only, which allows local users to cause a denial of service (loss of writability) by making certain unshare system calls, clearing the / MNT_LOCKED flag, and making an MNT_FORCE umount system call." ],
  "statement" : "This issue does not affect the versions of the kernel package as shipped with\nRed Hat Enterprise Linux 5, 6, 7 and Red Hat Enterprise MRG 2.",
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 7",
    "release_date" : "2017-08-01T00:00:00Z",
    "advisory" : "RHSA-2017:2077",
    "cpe" : "cpe:/a:redhat:rhel_extras_rt:7",
    "package" : "kernel-rt-0:3.10.0-693.rt56.617.el7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "release_date" : "2017-08-01T00:00:00Z",
    "advisory" : "RHSA-2017:1842",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7",
    "package" : "kernel-0:3.10.0-693.el7"
  } ],
  "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 MRG 2",
    "fix_state" : "Not affected",
    "package_name" : "realtime-krenel",
    "cpe" : "cpe:/a:redhat:enterprise_mrg:2"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2014-7975\nhttps://nvd.nist.gov/vuln/detail/CVE-2014-7975" ],
  "name" : "CVE-2014-7975",
  "csaw" : false
}