{
   "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: arcnet: com20020: Fix null-ptr-deref in com20020pci_probe()\n\nDuring driver initialization, the pointer of card info, i.e. the\nvariable 'ci' is required. However, the definition of\n'com20020pci_id_table' reveals that this field is empty for some\ndevices, which will cause null pointer dereference when initializing\nthese devices.\n\nThe following log reveals it:\n\n[    3.973806] KASAN: null-ptr-deref in range [0x0000000000000028-0x000000000000002f]\n[    3.973819] RIP: 0010:com20020pci_probe+0x18d/0x13e0 [com20020_pci]\n[    3.975181] Call Trace:\n[    3.976208]  local_pci_probe+0x13f/0x210\n[    3.977248]  pci_device_probe+0x34c/0x6d0\n[    3.977255]  ? pci_uevent+0x470/0x470\n[    3.978265]  really_probe+0x24c/0x8d0\n[    3.978273]  __driver_probe_device+0x1b3/0x280\n[    3.979288]  driver_probe_device+0x50/0x370\n\nFix this by checking whether the 'ci' is a null pointer first."
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "drivers/net/arcnet/com20020-pci.c"
               ],
               "versions": [
                  {
                     "version": "8c14f9c70327",
                     "lessThan": "8e3bc7c5bbf8",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "8c14f9c70327",
                     "lessThan": "b1ee6b9340a3",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "8c14f9c70327",
                     "lessThan": "b838add93e1d",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "8c14f9c70327",
                     "lessThan": "e50c589678e5",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "8c14f9c70327",
                     "lessThan": "5f394102ee27",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "8c14f9c70327",
                     "lessThan": "ea372aab5490",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "8c14f9c70327",
                     "lessThan": "ca0bdff4249a",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "8c14f9c70327",
                     "lessThan": "bd6f1fd5d33d",
                     "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/arcnet/com20020-pci.c"
               ],
               "versions": [
                  {
                     "version": "3.18",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "3.18",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "4.9.305",
                     "lessThanOrEqual": "4.9.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "4.14.270",
                     "lessThanOrEqual": "4.14.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "4.19.233",
                     "lessThanOrEqual": "4.19.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.4.183",
                     "lessThanOrEqual": "5.4.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.10.104",
                     "lessThanOrEqual": "5.10.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.15.27",
                     "lessThanOrEqual": "5.15.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.16.13",
                     "lessThanOrEqual": "5.16.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.17",
                     "lessThanOrEqual": "*",
                     "status": "unaffected",
                     "versionType": "original_commit_for_fix"
                  }
               ]
            }
         ],
         "references": [
            {
               "url": "https://git.kernel.org/stable/c/8e3bc7c5bbf87e86e9cd652ca2a9166942d86206"
            },
            {
               "url": "https://git.kernel.org/stable/c/b1ee6b9340a38bdb9e5c90f0eac5b22b122c3049"
            },
            {
               "url": "https://git.kernel.org/stable/c/b838add93e1dd98210482dc433768daaf752bdef"
            },
            {
               "url": "https://git.kernel.org/stable/c/e50c589678e50f8d574612e473ca60ef45190896"
            },
            {
               "url": "https://git.kernel.org/stable/c/5f394102ee27dbf051a4e283390cd8d1759dacea"
            },
            {
               "url": "https://git.kernel.org/stable/c/ea372aab54903310756217d81610901a8e66cb7d"
            },
            {
               "url": "https://git.kernel.org/stable/c/ca0bdff4249a644f2ca7a49d410d95b8dacf1f72"
            },
            {
               "url": "https://git.kernel.org/stable/c/bd6f1fd5d33dfe5d1b4f2502d3694a7cc13f166d"
            }
         ],
         "title": "net: arcnet: com20020: Fix null-ptr-deref in com20020pci_probe()",
         "x_generator": {
            "engine": "bippy-c9c4e1df01b2"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2022-48908",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}