{
   "containers": {
      "cna": {
         "providerMetadata": {
            "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038"
         },
         "descriptions": [
            {
               "lang": "en",
               "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nigb: Fix use-after-free error during reset\n\nCleans the next descriptor to watch (next_to_watch) when cleaning the\nTX ring.\n\nFailure to do so can cause invalid memory accesses. If igb_poll() runs\nwhile the controller is reset this can lead to the driver try to free\na skb that was already freed.\n\n(The crash is harder to reproduce with the igb driver, but the same\npotential problem exists as the code is identical to igc)"
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "drivers/net/ethernet/intel/igb/igb_main.c"
               ],
               "versions": [
                  {
                     "version": "7cc6fd4c60f2",
                     "lessThan": "d7367f781e5a",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "7cc6fd4c60f2",
                     "lessThan": "d3ccb18ed5ac",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "7cc6fd4c60f2",
                     "lessThan": "88e0720133d4",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "7cc6fd4c60f2",
                     "lessThan": "f153664d8e70",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "7cc6fd4c60f2",
                     "lessThan": "8e24c12f2ff6",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "7cc6fd4c60f2",
                     "lessThan": "7b292608db23",
                     "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/intel/igb/igb_main.c"
               ],
               "versions": [
                  {
                     "version": "4.12",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "4.12",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "4.14.241",
                     "lessThanOrEqual": "4.14.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "4.19.199",
                     "lessThanOrEqual": "4.19.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.4.136",
                     "lessThanOrEqual": "5.4.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.10.54",
                     "lessThanOrEqual": "5.10.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.13.6",
                     "lessThanOrEqual": "5.13.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.14",
                     "lessThanOrEqual": "*",
                     "status": "unaffected",
                     "versionType": "original_commit_for_fix"
                  }
               ]
            }
         ],
         "references": [
            {
               "url": "https://git.kernel.org/stable/c/d7367f781e5a9ca5df9082b15b272b55e76931f8"
            },
            {
               "url": "https://git.kernel.org/stable/c/d3ccb18ed5ac3283c7b31ecc685b499e580d5492"
            },
            {
               "url": "https://git.kernel.org/stable/c/88e0720133d42d34851c8721cf5f289a50a8710f"
            },
            {
               "url": "https://git.kernel.org/stable/c/f153664d8e70c11d0371341613651e1130e20240"
            },
            {
               "url": "https://git.kernel.org/stable/c/8e24c12f2ff6d32fd9f057382f08e748ec97194c"
            },
            {
               "url": "https://git.kernel.org/stable/c/7b292608db23ccbbfbfa50cdb155d01725d7a52e"
            }
         ],
         "title": "igb: Fix use-after-free error during reset",
         "x_generator": {
            "engine": "bippy-a5840b7849dd"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2021-47301",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}