{
   "CVE_data_meta" : {
      "ASSIGNER" : "cve@mitre.org",
      "ID" : "CVE-2016-6516",
      "STATE" : "PUBLIC"
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   "affects" : {
      "vendor" : {
         "vendor_data" : [
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   "data_format" : "MITRE",
   "data_type" : "CVE",
   "data_version" : "4.0",
   "description" : {
      "description_data" : [
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            "lang" : "eng",
            "value" : "Race condition in the ioctl_file_dedupe_range function in fs/ioctl.c in the Linux kernel through 4.7 allows local users to cause a denial of service (heap-based buffer overflow) or possibly gain privileges by changing a certain count value, aka a \"double fetch\" vulnerability."
         }
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   "problemtype" : {
      "problemtype_data" : [
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                  "lang" : "eng",
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   "references" : {
      "reference_data" : [
         {
            "name" : "[oss-security] 20160731 CVE Request: Linux <= 4.5 double fetch leading to heap overflow",
            "refsource" : "MLIST",
            "url" : "http://www.openwall.com/lists/oss-security/2016/07/31/6"
         },
         {
            "name" : "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=10eec60ce79187686e052092e5383c99b4420a20",
            "refsource" : "CONFIRM",
            "url" : "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=10eec60ce79187686e052092e5383c99b4420a20"
         },
         {
            "name" : "https://bugzilla.redhat.com/show_bug.cgi?id=1362457",
            "refsource" : "CONFIRM",
            "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=1362457"
         },
         {
            "name" : "https://github.com/torvalds/linux/commit/10eec60ce79187686e052092e5383c99b4420a20",
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            "url" : "https://github.com/torvalds/linux/commit/10eec60ce79187686e052092e5383c99b4420a20"
         },
         {
            "name" : "92259",
            "refsource" : "BID",
            "url" : "http://www.securityfocus.com/bid/92259"
         }
      ]
   }
}