{
   "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: afe4403: Fix oob read in afe4403_read_raw\n\nKASAN report out-of-bounds read as follows:\n\nBUG: KASAN: global-out-of-bounds in afe4403_read_raw+0x42e/0x4c0\nRead of size 4 at addr ffffffffc02ac638 by task cat/279\n\nCall Trace:\n afe4403_read_raw\n iio_read_channel_info\n dev_attr_show\n\nThe buggy address belongs to the variable:\n afe4403_channel_leds+0x18/0xffffffffffffe9e0\n\nThis issue can be reproduced by singe command:\n\n $ cat /sys/bus/spi/devices/spi0.0/iio\\:device0/in_intensity6_raw\n\nThe array size of afe4403_channel_leds is less than channels, so access\nwith chan->address cause OOB read in afe4403_read_raw. Fix it by moving\naccess before use it."
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "drivers/iio/health/afe4403.c"
               ],
               "versions": [
                  {
                     "version": "b36e8257641a",
                     "lessThan": "98afcb5f3be6",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "b36e8257641a",
                     "lessThan": "c9268df36818",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "b36e8257641a",
                     "lessThan": "726fa3e4ab97",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "b36e8257641a",
                     "lessThan": "2d6a437064ff",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "b36e8257641a",
                     "lessThan": "b1756af172fb",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "b36e8257641a",
                     "lessThan": "e7e76a77aabe",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "b36e8257641a",
                     "lessThan": "06c6ce21cec7",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "b36e8257641a",
                     "lessThan": "58143c1ed588",
                     "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/afe4403.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/98afcb5f3be645d330c74c5194ba0d80e26f95e0"
            },
            {
               "url": "https://git.kernel.org/stable/c/c9268df36818ee4eaaaeadc80009b442a5ca69c9"
            },
            {
               "url": "https://git.kernel.org/stable/c/726fa3e4ab97dcff1c745bdc4fb137366cb8d3df"
            },
            {
               "url": "https://git.kernel.org/stable/c/2d6a437064ffbe685c67ddb16dfc0946074c6c3f"
            },
            {
               "url": "https://git.kernel.org/stable/c/b1756af172fb80a3edc143772d49e166ec691b6c"
            },
            {
               "url": "https://git.kernel.org/stable/c/e7e76a77aabef8989cbc0a8417af1aa040620867"
            },
            {
               "url": "https://git.kernel.org/stable/c/06c6ce21cec77dfa860d57e7a006000a57812efb"
            },
            {
               "url": "https://git.kernel.org/stable/c/58143c1ed5882c138a3cd2251a336fc8755f23d9"
            }
         ],
         "title": "iio: health: afe4403: Fix oob read in afe4403_read_raw",
         "x_generator": {
            "engine": "bippy-c9c4e1df01b2"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2022-49031",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}