{"id":"CVE-2022-49031","state":"PUBLISHED","title":"iio: health: afe4403: Fix oob read in afe4403_read_raw","description":"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.","publishedAt":"2024-10-21T20:06:35.214Z","updatedAt":"2026-05-11T18:51:52.204Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"b36e8257641a043764c62240316610c81e36376c","status":"affected","lessThan":"98afcb5f3be645d330c74c5194ba0d80e26f95e0","versionType":"git"},{"version":"b36e8257641a043764c62240316610c81e36376c","status":"affected","lessThan":"c9268df36818ee4eaaaeadc80009b442a5ca69c9","versionType":"git"},{"version":"b36e8257641a043764c62240316610c81e36376c","status":"affected","lessThan":"726fa3e4ab97dcff1c745bdc4fb137366cb8d3df","versionType":"git"},{"version":"b36e8257641a043764c62240316610c81e36376c","status":"affected","lessThan":"2d6a437064ffbe685c67ddb16dfc0946074c6c3f","versionType":"git"},{"version":"b36e8257641a043764c62240316610c81e36376c","status":"affected","lessThan":"b1756af172fb80a3edc143772d49e166ec691b6c","versionType":"git"},{"version":"b36e8257641a043764c62240316610c81e36376c","status":"affected","lessThan":"e7e76a77aabef8989cbc0a8417af1aa040620867","versionType":"git"},{"version":"b36e8257641a043764c62240316610c81e36376c","status":"affected","lessThan":"06c6ce21cec77dfa860d57e7a006000a57812efb","versionType":"git"},{"version":"b36e8257641a043764c62240316610c81e36376c","status":"affected","lessThan":"58143c1ed5882c138a3cd2251a336fc8755f23d9","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/iio/health/afe4403.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/afe4403.c"]}],"references":["https://git.kernel.org/stable/c/98afcb5f3be645d330c74c5194ba0d80e26f95e0","https://git.kernel.org/stable/c/c9268df36818ee4eaaaeadc80009b442a5ca69c9","https://git.kernel.org/stable/c/726fa3e4ab97dcff1c745bdc4fb137366cb8d3df","https://git.kernel.org/stable/c/2d6a437064ffbe685c67ddb16dfc0946074c6c3f","https://git.kernel.org/stable/c/b1756af172fb80a3edc143772d49e166ec691b6c","https://git.kernel.org/stable/c/e7e76a77aabef8989cbc0a8417af1aa040620867","https://git.kernel.org/stable/c/06c6ce21cec77dfa860d57e7a006000a57812efb","https://git.kernel.org/stable/c/58143c1ed5882c138a3cd2251a336fc8755f23d9"],"weaknesses":[],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/49xxx/CVE-2022-49031.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-49031","state":"PUBLISHED","datePublished":"2024-10-21T20:06:35.214Z","dateUpdated":"2026-05-11T18:51:52.204Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-08-22T01:27:53.652Z"},"containers":{"cna":{"title":"iio: health: afe4403: Fix oob read in afe4403_read_raw","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":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"b36e8257641a043764c62240316610c81e36376c","status":"affected","lessThan":"98afcb5f3be645d330c74c5194ba0d80e26f95e0","versionType":"git"},{"version":"b36e8257641a043764c62240316610c81e36376c","status":"affected","lessThan":"c9268df36818ee4eaaaeadc80009b442a5ca69c9","versionType":"git"},{"version":"b36e8257641a043764c62240316610c81e36376c","status":"affected","lessThan":"726fa3e4ab97dcff1c745bdc4fb137366cb8d3df","versionType":"git"},{"version":"b36e8257641a043764c62240316610c81e36376c","status":"affected","lessThan":"2d6a437064ffbe685c67ddb16dfc0946074c6c3f","versionType":"git"},{"version":"b36e8257641a043764c62240316610c81e36376c","status":"affected","lessThan":"b1756af172fb80a3edc143772d49e166ec691b6c","versionType":"git"},{"version":"b36e8257641a043764c62240316610c81e36376c","status":"affected","lessThan":"e7e76a77aabef8989cbc0a8417af1aa040620867","versionType":"git"},{"version":"b36e8257641a043764c62240316610c81e36376c","status":"affected","lessThan":"06c6ce21cec77dfa860d57e7a006000a57812efb","versionType":"git"},{"version":"b36e8257641a043764c62240316610c81e36376c","status":"affected","lessThan":"58143c1ed5882c138a3cd2251a336fc8755f23d9","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/iio/health/afe4403.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/afe4403.c"]}],"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"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T18:51:52.204Z"},"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-2022-49031","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2024-10-22T13:11:13.693004Z"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-10-22T13:18:35.737Z"}}]}}}