{
   "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: lantiq: fix memory corruption in RX ring\n\nIn a situation where memory allocation or dma mapping fails, an\ninvalid address is programmed into the descriptor. This can lead\nto memory corruption. If the memory allocation fails, DMA should\nreuse the previous skb and mapping and drop the packet. This patch\nalso increments rx drop counter."
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "drivers/net/ethernet/lantiq_xrx200.c"
               ],
               "versions": [
                  {
                     "version": "fe1a56420cf2",
                     "lessThan": "8bb1077448d4",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "fe1a56420cf2",
                     "lessThan": "5ac72351655f",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "fe1a56420cf2",
                     "lessThan": "46dd4abced3c",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "fe1a56420cf2",
                     "lessThan": "c7718ee96dbc",
                     "status": "affected",
                     "versionType": "git"
                  }
               ]
            },
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "affected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "drivers/net/ethernet/lantiq_xrx200.c"
               ],
               "versions": [
                  {
                     "version": "4.20",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "4.20",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.4.124",
                     "lessThanOrEqual": "5.4.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.10.42",
                     "lessThanOrEqual": "5.10.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.12.9",
                     "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/8bb1077448d43a871ed667520763e3b9f9b7975d"
            },
            {
               "url": "https://git.kernel.org/stable/c/5ac72351655f8b033a2935646f53b7465c903418"
            },
            {
               "url": "https://git.kernel.org/stable/c/46dd4abced3cb2c912916f4a5353e0927db0c4a2"
            },
            {
               "url": "https://git.kernel.org/stable/c/c7718ee96dbc2f9c5fc3b578abdf296dd44b9c20"
            }
         ],
         "title": "net: lantiq: fix memory corruption in RX ring",
         "x_generator": {
            "engine": "bippy-a5840b7849dd"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2021-47137",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}