{
   "containers": {
      "cna": {
         "providerMetadata": {
            "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038"
         },
         "descriptions": [
            {
               "lang": "en",
               "value": "In the Linux kernel, the following vulnerability has been resolved:\n\niio: health: afe4404: Fix oob read in afe4404_[read|write]_raw\n\nKASAN report out-of-bounds read as follows:\n\nBUG: KASAN: global-out-of-bounds in afe4404_read_raw+0x2ce/0x380\nRead of size 4 at addr ffffffffc00e4658 by task cat/278\n\nCall Trace:\n afe4404_read_raw\n iio_read_channel_info\n dev_attr_show\n\nThe buggy address belongs to the variable:\n afe4404_channel_leds+0x18/0xffffffffffffe9c0\n\nThis issue can be reproduce by singe command:\n\n $ cat /sys/bus/i2c/devices/0-0058/iio\\:device0/in_intensity6_raw\n\nThe array size of afe4404_channel_leds and afe4404_channel_offdacs\nare less than channels, so access with chan->address cause OOB read\nin afe4404_[read|write]_raw. Fix it by moving access before use them."
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "drivers/iio/health/afe4404.c"
               ],
               "versions": [
                  {
                     "version": "b36e8257641a",
                     "lessThan": "68de7da092f3",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "b36e8257641a",
                     "lessThan": "113c08030a89",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "b36e8257641a",
                     "lessThan": "f5575041ec15",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "b36e8257641a",
                     "lessThan": "3f566b626029",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "b36e8257641a",
                     "lessThan": "5eb114f55b37",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "b36e8257641a",
                     "lessThan": "f7419fc42afc",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "b36e8257641a",
                     "lessThan": "d45d9f45e7b1",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "b36e8257641a",
                     "lessThan": "fc92d9e3de0b",
                     "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/iio/health/afe4404.c"
               ],
               "versions": [
                  {
                     "version": "4.8",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "4.8",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "4.9.335",
                     "lessThanOrEqual": "4.9.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "4.14.301",
                     "lessThanOrEqual": "4.14.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "4.19.268",
                     "lessThanOrEqual": "4.19.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.4.226",
                     "lessThanOrEqual": "5.4.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.10.158",
                     "lessThanOrEqual": "5.10.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.15.82",
                     "lessThanOrEqual": "5.15.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.0.12",
                     "lessThanOrEqual": "6.0.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.1",
                     "lessThanOrEqual": "*",
                     "status": "unaffected",
                     "versionType": "original_commit_for_fix"
                  }
               ]
            }
         ],
         "references": [
            {
               "url": "https://git.kernel.org/stable/c/68de7da092f38395dde523f2e5db26eba6c23e28"
            },
            {
               "url": "https://git.kernel.org/stable/c/113c08030a89aaf406f8a1d4549d758a67c2afba"
            },
            {
               "url": "https://git.kernel.org/stable/c/f5575041ec15310bdc50c42b8b22118cc900226e"
            },
            {
               "url": "https://git.kernel.org/stable/c/3f566b626029ca8598d48e5074e56bb37399ca1b"
            },
            {
               "url": "https://git.kernel.org/stable/c/5eb114f55b37dbc0487aa9c1913b81bb7837f1c4"
            },
            {
               "url": "https://git.kernel.org/stable/c/f7419fc42afc035f6b29ce713e17dcd2000c833f"
            },
            {
               "url": "https://git.kernel.org/stable/c/d45d9f45e7b1365fd0d9bf14680d6d5082a590d1"
            },
            {
               "url": "https://git.kernel.org/stable/c/fc92d9e3de0b2d30a3ccc08048a5fad533e4672b"
            }
         ],
         "title": "iio: health: afe4404: Fix oob read in afe4404_[read|write]_raw",
         "x_generator": {
            "engine": "bippy-c9c4e1df01b2"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2022-49032",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}