{"id":"CVE-2022-49032","state":"PUBLISHED","title":"iio: health: afe4404: Fix oob read in afe4404_[read|write]_raw","description":"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.","publishedAt":"2024-10-21T20:06:35.864Z","updatedAt":"2026-05-11T18:51:53.331Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"b36e8257641a043764c62240316610c81e36376c","status":"affected","lessThan":"68de7da092f38395dde523f2e5db26eba6c23e28","versionType":"git"},{"version":"b36e8257641a043764c62240316610c81e36376c","status":"affected","lessThan":"113c08030a89aaf406f8a1d4549d758a67c2afba","versionType":"git"},{"version":"b36e8257641a043764c62240316610c81e36376c","status":"affected","lessThan":"f5575041ec15310bdc50c42b8b22118cc900226e","versionType":"git"},{"version":"b36e8257641a043764c62240316610c81e36376c","status":"affected","lessThan":"3f566b626029ca8598d48e5074e56bb37399ca1b","versionType":"git"},{"version":"b36e8257641a043764c62240316610c81e36376c","status":"affected","lessThan":"5eb114f55b37dbc0487aa9c1913b81bb7837f1c4","versionType":"git"},{"version":"b36e8257641a043764c62240316610c81e36376c","status":"affected","lessThan":"f7419fc42afc035f6b29ce713e17dcd2000c833f","versionType":"git"},{"version":"b36e8257641a043764c62240316610c81e36376c","status":"affected","lessThan":"d45d9f45e7b1365fd0d9bf14680d6d5082a590d1","versionType":"git"},{"version":"b36e8257641a043764c62240316610c81e36376c","status":"affected","lessThan":"fc92d9e3de0b2d30a3ccc08048a5fad533e4672b","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/iio/health/afe4404.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.8","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.8","versionType":"semver"},{"version":"4.9.335","status":"unaffected","lessThanOrEqual":"4.9.*","versionType":"semver"},{"version":"4.14.301","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.268","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.226","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.158","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.82","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.0.12","status":"unaffected","lessThanOrEqual":"6.0.*","versionType":"semver"},{"version":"6.1","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/iio/health/afe4404.c"]}],"references":["https://git.kernel.org/stable/c/68de7da092f38395dde523f2e5db26eba6c23e28","https://git.kernel.org/stable/c/113c08030a89aaf406f8a1d4549d758a67c2afba","https://git.kernel.org/stable/c/f5575041ec15310bdc50c42b8b22118cc900226e","https://git.kernel.org/stable/c/3f566b626029ca8598d48e5074e56bb37399ca1b","https://git.kernel.org/stable/c/5eb114f55b37dbc0487aa9c1913b81bb7837f1c4","https://git.kernel.org/stable/c/f7419fc42afc035f6b29ce713e17dcd2000c833f","https://git.kernel.org/stable/c/d45d9f45e7b1365fd0d9bf14680d6d5082a590d1","https://git.kernel.org/stable/c/fc92d9e3de0b2d30a3ccc08048a5fad533e4672b"],"weaknesses":[],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/49xxx/CVE-2022-49032.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-49032","state":"PUBLISHED","datePublished":"2024-10-21T20:06:35.864Z","dateUpdated":"2026-05-11T18:51:53.331Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-08-22T01:27:53.652Z"},"containers":{"cna":{"title":"iio: health: afe4404: Fix oob read in afe4404_[read|write]_raw","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":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"b36e8257641a043764c62240316610c81e36376c","status":"affected","lessThan":"68de7da092f38395dde523f2e5db26eba6c23e28","versionType":"git"},{"version":"b36e8257641a043764c62240316610c81e36376c","status":"affected","lessThan":"113c08030a89aaf406f8a1d4549d758a67c2afba","versionType":"git"},{"version":"b36e8257641a043764c62240316610c81e36376c","status":"affected","lessThan":"f5575041ec15310bdc50c42b8b22118cc900226e","versionType":"git"},{"version":"b36e8257641a043764c62240316610c81e36376c","status":"affected","lessThan":"3f566b626029ca8598d48e5074e56bb37399ca1b","versionType":"git"},{"version":"b36e8257641a043764c62240316610c81e36376c","status":"affected","lessThan":"5eb114f55b37dbc0487aa9c1913b81bb7837f1c4","versionType":"git"},{"version":"b36e8257641a043764c62240316610c81e36376c","status":"affected","lessThan":"f7419fc42afc035f6b29ce713e17dcd2000c833f","versionType":"git"},{"version":"b36e8257641a043764c62240316610c81e36376c","status":"affected","lessThan":"d45d9f45e7b1365fd0d9bf14680d6d5082a590d1","versionType":"git"},{"version":"b36e8257641a043764c62240316610c81e36376c","status":"affected","lessThan":"fc92d9e3de0b2d30a3ccc08048a5fad533e4672b","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/iio/health/afe4404.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.8","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.8","versionType":"semver"},{"version":"4.9.335","status":"unaffected","lessThanOrEqual":"4.9.*","versionType":"semver"},{"version":"4.14.301","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.268","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.226","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.158","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.82","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.0.12","status":"unaffected","lessThanOrEqual":"6.0.*","versionType":"semver"},{"version":"6.1","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/iio/health/afe4404.c"]}],"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"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T18:51:53.331Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.8","versionEndExcluding":"4.9.335"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.8","versionEndExcluding":"4.14.301"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.8","versionEndExcluding":"4.19.268"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.8","versionEndExcluding":"5.4.226"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.8","versionEndExcluding":"5.10.158"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.8","versionEndExcluding":"5.15.82"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.8","versionEndExcluding":"6.0.12"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.8","versionEndExcluding":"6.1"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2022-49032","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2024-10-22T13:11:06.095851Z"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-10-22T13:18:35.607Z"}}]}}}