cvelist/2017/12xxx/CVE-2017-12190.json

{
   "CVE_data_meta" : {
      "ASSIGNER" : "secalert@redhat.com",
      "ID" : "CVE-2017-12190",
      "STATE" : "PUBLIC"
   },
   "affects" : {
      "vendor" : {
         "vendor_data" : [
            {
               "product" : {
                  "product_data" : [
                     {
                        "product_name" : "Linux kernel through v4.14-rc5",
                        "version" : {
                           "version_data" : [
                              {
                                 "version_value" : "Linux kernel through v4.14-rc5"
                              }
                           ]
                        }
                     }
                  ]
               },
               "vendor_name" : "n/a"
            }
         ]
      }
   },
   "data_format" : "MITRE",
   "data_type" : "CVE",
   "data_version" : "4.0",
   "description" : {
      "description_data" : [
         {
            "lang" : "eng",
            "value" : "The bio_map_user_iov and bio_unmap_user functions in block/bio.c in the Linux kernel before 4.13.8 do unbalanced refcounting when a SCSI I/O vector has small consecutive buffers belonging to the same page. The bio_add_pc_page function merges them into one, but the page reference is never dropped. This causes a memory leak and possible system lockup (exploitable against the host OS by a guest OS user, if a SCSI disk is passed through to a virtual machine) due to an out-of-memory condition."
         }
      ]
   },
   "problemtype" : {
      "problemtype_data" : [
         {
            "description" : [
               {
                  "lang" : "eng",
                  "value" : "CWE-400"
               }
            ]
         }
      ]
   },
   "references" : {
      "reference_data" : [
         {
            "url" : "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2b04e8f6bbb196cab4b232af0f8d48ff2c7a8058"
         },
         {
            "url" : "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=95d78c28b5a85bacbc29b8dba7c04babb9b0d467"
         },
         {
            "url" : "http://seclists.org/oss-sec/2017/q4/52"
         },
         {
            "url" : "http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.8"
         },
         {
            "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=1495089"
         },
         {
            "url" : "https://github.com/torvalds/linux/commit/2b04e8f6bbb196cab4b232af0f8d48ff2c7a8058"
         },
         {
            "url" : "https://github.com/torvalds/linux/commit/95d78c28b5a85bacbc29b8dba7c04babb9b0d467"
         },
         {
            "url" : "http://www.securityfocus.com/bid/101911"
         }
      ]
   }
}