{
   "CVE_data_meta" : {
      "ASSIGNER" : "cve@mitre.org",
      "ID" : "CVE-2012-2100",
      "STATE" : "PUBLIC"
   },
   "affects" : {
      "vendor" : {
         "vendor_data" : [
            {
               "product" : {
                  "product_data" : [
                     {
                        "product_name" : "n/a",
                        "version" : {
                           "version_data" : [
                              {
                                 "version_value" : "n/a"
                              }
                           ]
                        }
                     }
                  ]
               },
               "vendor_name" : "n/a"
            }
         ]
      }
   },
   "data_format" : "MITRE",
   "data_type" : "CVE",
   "data_version" : "4.0",
   "description" : {
      "description_data" : [
         {
            "lang" : "eng",
            "value" : "The ext4_fill_flex_info function in fs/ext4/super.c in the Linux kernel before 3.2.2, on the x86 platform and unspecified other platforms, allows user-assisted remote attackers to trigger inconsistent filesystem-groups data and possibly cause a denial of service via a malformed ext4 filesystem containing a super block with a large FLEX_BG group size (aka s_log_groups_per_flex value).  NOTE: this vulnerability exists because of an incomplete fix for CVE-2009-4307."
         }
      ]
   },
   "problemtype" : {
      "problemtype_data" : [
         {
            "description" : [
               {
                  "lang" : "eng",
                  "value" : "n/a"
               }
            ]
         }
      ]
   },
   "references" : {
      "reference_data" : [
         {
            "name" : "[oss-security] 20120412 Re: fix to CVE-2009-4307",
            "refsource" : "MLIST",
            "url" : "http://www.openwall.com/lists/oss-security/2012/04/12/11"
         },
         {
            "name" : "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=d50f2ab6f050311dbf7b8f5501b25f0bf64a439b",
            "refsource" : "CONFIRM",
            "url" : "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=d50f2ab6f050311dbf7b8f5501b25f0bf64a439b"
         },
         {
            "name" : "http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.2",
            "refsource" : "CONFIRM",
            "url" : "http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.2"
         },
         {
            "name" : "https://bugzilla.redhat.com/show_bug.cgi?id=809687",
            "refsource" : "CONFIRM",
            "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=809687"
         },
         {
            "name" : "https://github.com/torvalds/linux/commit/d50f2ab6f050311dbf7b8f5501b25f0bf64a439b",
            "refsource" : "CONFIRM",
            "url" : "https://github.com/torvalds/linux/commit/d50f2ab6f050311dbf7b8f5501b25f0bf64a439b"
         },
         {
            "name" : "RHSA-2012:1445",
            "refsource" : "REDHAT",
            "url" : "http://rhn.redhat.com/errata/RHSA-2012-1445.html"
         },
         {
            "name" : "RHSA-2012:1580",
            "refsource" : "REDHAT",
            "url" : "http://rhn.redhat.com/errata/RHSA-2012-1580.html"
         },
         {
            "name" : "53414",
            "refsource" : "BID",
            "url" : "http://www.securityfocus.com/bid/53414"
         }
      ]
   }
}