{
   "containers": {
      "cna": {
         "providerMetadata": {
            "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038"
         },
         "descriptions": [
            {
               "lang": "en",
               "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncxgb4: avoid accessing registers when clearing filters\n\nHardware register having the server TID base can contain\ninvalid values when adapter is in bad state (for example,\ndue to AER fatal error). Reading these invalid values in the\nregister can lead to out-of-bound memory access. So, fix\nby using the saved server TID base when clearing filters."
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "drivers/net/ethernet/chelsio/cxgb4/cxgb4_filter.c"
               ],
               "versions": [
                  {
                     "version": "b1a79360ee86",
                     "lessThan": "0bf49b3c8d8b",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "b1a79360ee86",
                     "lessThan": "02f03883fdb1",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "b1a79360ee86",
                     "lessThan": "285207a558ab",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "b1a79360ee86",
                     "lessThan": "88c380df84fb",
                     "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/chelsio/cxgb4/cxgb4_filter.c"
               ],
               "versions": [
                  {
                     "version": "5.2",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "5.2",
                     "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/0bf49b3c8d8b3a43ce09f1b2db70e5484d31fcdf"
            },
            {
               "url": "https://git.kernel.org/stable/c/02f03883fdb10ad7e66717c70ea163a8d27ae6e7"
            },
            {
               "url": "https://git.kernel.org/stable/c/285207a558ab456aa7d8aa877ecc7e91fcc51710"
            },
            {
               "url": "https://git.kernel.org/stable/c/88c380df84fbd03f9b137c2b9d0a44b9f2f553b0"
            }
         ],
         "title": "cxgb4: avoid accessing registers when clearing filters",
         "x_generator": {
            "engine": "bippy-a5840b7849dd"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2021-47138",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}