{
   "CVE_data_meta" : {
      "ASSIGNER" : "secalert@redhat.com",
      "ID" : "CVE-2018-1093",
      "STATE" : "PUBLIC"
   },
   "affects" : {
      "vendor" : {
         "vendor_data" : [
            {
               "product" : {
                  "product_data" : [
                     {
                        "product_name" : "Linux kernel through version 4.15",
                        "version" : {
                           "version_data" : [
                              {
                                 "version_value" : "Linux kernel through version 4.15"
                              }
                           ]
                        }
                     }
                  ]
               },
               "vendor_name" : "n/a"
            }
         ]
      }
   },
   "data_format" : "MITRE",
   "data_type" : "CVE",
   "data_version" : "4.0",
   "description" : {
      "description_data" : [
         {
            "lang" : "eng",
            "value" : "The ext4_valid_block_bitmap function in fs/ext4/balloc.c in the Linux kernel through 4.15.15 allows attackers to cause a denial of service (out-of-bounds read and system crash) via a crafted ext4 image because balloc.c and ialloc.c do not validate bitmap block numbers."
         }
      ]
   },
   "problemtype" : {
      "problemtype_data" : [
         {
            "description" : [
               {
                  "lang" : "eng",
                  "value" : "out-of-bounds read"
               }
            ]
         }
      ]
   },
   "references" : {
      "reference_data" : [
         {
            "name" : "[debian-lts-announce] 20180601 [SECURITY] [DLA 1392-1] linux security update",
            "refsource" : "MLIST",
            "url" : "https://lists.debian.org/debian-lts-announce/2018/06/msg00000.html"
         },
         {
            "name" : "[debian-lts-announce] 20180714 [SECURITY] [DLA 1422-1] linux security update",
            "refsource" : "MLIST",
            "url" : "https://lists.debian.org/debian-lts-announce/2018/07/msg00015.html"
         },
         {
            "name" : "[debian-lts-announce] 20180715 [SECURITY] [DLA 1422-2] linux security update",
            "refsource" : "MLIST",
            "url" : "https://lists.debian.org/debian-lts-announce/2018/07/msg00016.html"
         },
         {
            "name" : "http://openwall.com/lists/oss-security/2018/03/29/1",
            "refsource" : "MISC",
            "url" : "http://openwall.com/lists/oss-security/2018/03/29/1"
         },
         {
            "name" : "https://bugzilla.kernel.org/show_bug.cgi?id=199181",
            "refsource" : "MISC",
            "url" : "https://bugzilla.kernel.org/show_bug.cgi?id=199181"
         },
         {
            "name" : "https://bugzilla.redhat.com/show_bug.cgi?id=1560782",
            "refsource" : "MISC",
            "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=1560782"
         },
         {
            "name" : "https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git/commit/?id=7dac4a1726a9c64a517d595c40e95e2d0d135f6f",
            "refsource" : "MISC",
            "url" : "https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git/commit/?id=7dac4a1726a9c64a517d595c40e95e2d0d135f6f"
         },
         {
            "name" : "DSA-4188",
            "refsource" : "DEBIAN",
            "url" : "https://www.debian.org/security/2018/dsa-4188"
         },
         {
            "name" : "USN-3676-1",
            "refsource" : "UBUNTU",
            "url" : "https://usn.ubuntu.com/3676-1/"
         },
         {
            "name" : "USN-3676-2",
            "refsource" : "UBUNTU",
            "url" : "https://usn.ubuntu.com/3676-2/"
         },
         {
            "name" : "USN-3752-1",
            "refsource" : "UBUNTU",
            "url" : "https://usn.ubuntu.com/3752-1/"
         },
         {
            "name" : "USN-3752-2",
            "refsource" : "UBUNTU",
            "url" : "https://usn.ubuntu.com/3752-2/"
         },
         {
            "name" : "USN-3754-1",
            "refsource" : "UBUNTU",
            "url" : "https://usn.ubuntu.com/3754-1/"
         },
         {
            "name" : "USN-3752-3",
            "refsource" : "UBUNTU",
            "url" : "https://usn.ubuntu.com/3752-3/"
         }
      ]
   }
}