{
   "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: Initialize mailbox message for VF reset\n\nWhen a MAC address is not assigned to the VF, that portion of the message\nsent to the VF is not set. The memory, however, is allocated from the\nstack meaning that information may be leaked to the VM. Initialize the\nmessage buffer to 0 so that no information is passed to the VM in this\ncase."
            }
         ],
         "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": "6ddbc4cf1f4d",
                     "lessThan": "a6629659af3f",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "6ddbc4cf1f4d",
                     "lessThan": "ef1d739dd1f3",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "6ddbc4cf1f4d",
                     "lessThan": "c581439a9775",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "6ddbc4cf1f4d",
                     "lessThan": "f2479c3daaab",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "6ddbc4cf1f4d",
                     "lessThan": "367e1e3399db",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "6ddbc4cf1f4d",
                     "lessThan": "51fd5ede7ed4",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "6ddbc4cf1f4d",
                     "lessThan": "c383c7c35c7b",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "6ddbc4cf1f4d",
                     "lessThan": "de5dc44370fb",
                     "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": "4.0",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "4.0",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "4.14.303",
                     "lessThanOrEqual": "4.14.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "4.19.270",
                     "lessThanOrEqual": "4.19.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.4.229",
                     "lessThanOrEqual": "5.4.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.10.161",
                     "lessThanOrEqual": "5.10.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.15.85",
                     "lessThanOrEqual": "5.15.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.0.15",
                     "lessThanOrEqual": "6.0.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.1.1",
                     "lessThanOrEqual": "6.1.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.2",
                     "lessThanOrEqual": "*",
                     "status": "unaffected",
                     "versionType": "original_commit_for_fix"
                  }
               ]
            }
         ],
         "references": [
            {
               "url": "https://git.kernel.org/stable/c/a6629659af3f5c6a91e3914ea62554c975ab77f4"
            },
            {
               "url": "https://git.kernel.org/stable/c/ef1d739dd1f362aec081278ff92f943c31eb177a"
            },
            {
               "url": "https://git.kernel.org/stable/c/c581439a977545d61849a72e8ed631cfc8a2a3c1"
            },
            {
               "url": "https://git.kernel.org/stable/c/f2479c3daaabccbac6c343a737615d0c595c6dc4"
            },
            {
               "url": "https://git.kernel.org/stable/c/367e1e3399dbc56fc669740c4ab60e35da632b0e"
            },
            {
               "url": "https://git.kernel.org/stable/c/51fd5ede7ed42f272682a0c33d6f0767b3484a3d"
            },
            {
               "url": "https://git.kernel.org/stable/c/c383c7c35c7bc15e07a04eefa060a8a80cbeae29"
            },
            {
               "url": "https://git.kernel.org/stable/c/de5dc44370fbd6b46bd7f1a1e00369be54a041c8"
            }
         ],
         "title": "igb: Initialize mailbox message for VF reset",
         "x_generator": {
            "engine": "bippy-c9c4e1df01b2"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2022-48949",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}