{
   "containers": {
      "cna": {
         "providerMetadata": {
            "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038"
         },
         "descriptions": [
            {
               "lang": "en",
               "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: qrtr: fix OOB Read in qrtr_endpoint_post\n\nSyzbot reported slab-out-of-bounds Read in\nqrtr_endpoint_post. The problem was in wrong\n_size_ type:\n\n\tif (len != ALIGN(size, 4) + hdrlen)\n\t\tgoto err;\n\nIf size from qrtr_hdr is 4294967293 (0xfffffffd), the result of\nALIGN(size, 4) will be 0. In case of len == hdrlen and size == 4294967293\nin header this check won't fail and\n\n\tskb_put_data(skb, data + hdrlen, size);\n\nwill read out of bound from data, which is hdrlen allocated block."
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "net/qrtr/qrtr.c"
               ],
               "versions": [
                  {
                     "version": "194ccc88297a",
                     "lessThan": "f8111c0d7ed4",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "194ccc88297a",
                     "lessThan": "26b8d10703a9",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "194ccc88297a",
                     "lessThan": "960b08dd36de",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "194ccc88297a",
                     "lessThan": "19892ab9c9d8",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "194ccc88297a",
                     "lessThan": "ad9d24c9429e",
                     "status": "affected",
                     "versionType": "git"
                  }
               ]
            },
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "affected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "net/qrtr/qrtr.c"
               ],
               "versions": [
                  {
                     "version": "4.15",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "4.15",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "4.19.196",
                     "lessThanOrEqual": "4.19.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.4.128",
                     "lessThanOrEqual": "5.4.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.10.46",
                     "lessThanOrEqual": "5.10.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.12.13",
                     "lessThanOrEqual": "5.12.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.13",
                     "lessThanOrEqual": "*",
                     "status": "unaffected",
                     "versionType": "original_commit_for_fix"
                  }
               ]
            }
         ],
         "references": [
            {
               "url": "https://git.kernel.org/stable/c/f8111c0d7ed42ede41a3d0d393b104de0730a8a6"
            },
            {
               "url": "https://git.kernel.org/stable/c/26b8d10703a9be45d6097946b2b4011f7dd2c56f"
            },
            {
               "url": "https://git.kernel.org/stable/c/960b08dd36de1e341e3eb43d1c547513e338f4f8"
            },
            {
               "url": "https://git.kernel.org/stable/c/19892ab9c9d838e2e5a7744d36e4bb8b7c3292fe"
            },
            {
               "url": "https://git.kernel.org/stable/c/ad9d24c9429e2159d1e279dc3a83191ccb4daf1d"
            }
         ],
         "title": "net: qrtr: fix OOB Read in qrtr_endpoint_post",
         "x_generator": {
            "engine": "bippy-a5840b7849dd"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2021-47240",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}