{"id":"CVE-2022-49031","summary":"iio: health: afe4403: Fix oob read in afe4403_read_raw","details":"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-\u003eaddress cause OOB read in afe4403_read_raw. Fix it by moving\naccess before use it.","modified":"2026-05-28T03:52:40.225040318Z","published":"2024-10-21T20:06:35.214Z","related":["SUSE-SU-2024:3983-1","SUSE-SU-2024:3985-1","SUSE-SU-2024:4082-1","SUSE-SU-2024:4131-1","SUSE-SU-2024:4313-1","SUSE-SU-2024:4317-1","SUSE-SU-2024:4364-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49031.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/06c6ce21cec77dfa860d57e7a006000a57812efb"},{"type":"WEB","url":"https://git.kernel.org/stable/c/2d6a437064ffbe685c67ddb16dfc0946074c6c3f"},{"type":"WEB","url":"https://git.kernel.org/stable/c/58143c1ed5882c138a3cd2251a336fc8755f23d9"},{"type":"WEB","url":"https://git.kernel.org/stable/c/726fa3e4ab97dcff1c745bdc4fb137366cb8d3df"},{"type":"WEB","url":"https://git.kernel.org/stable/c/98afcb5f3be645d330c74c5194ba0d80e26f95e0"},{"type":"WEB","url":"https://git.kernel.org/stable/c/b1756af172fb80a3edc143772d49e166ec691b6c"},{"type":"WEB","url":"https://git.kernel.org/stable/c/c9268df36818ee4eaaaeadc80009b442a5ca69c9"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e7e76a77aabef8989cbc0a8417af1aa040620867"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49031.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-49031"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"b36e8257641a043764c62240316610c81e36376c"},{"fixed":"98afcb5f3be645d330c74c5194ba0d80e26f95e0"},{"fixed":"c9268df36818ee4eaaaeadc80009b442a5ca69c9"},{"fixed":"726fa3e4ab97dcff1c745bdc4fb137366cb8d3df"},{"fixed":"2d6a437064ffbe685c67ddb16dfc0946074c6c3f"},{"fixed":"b1756af172fb80a3edc143772d49e166ec691b6c"},{"fixed":"e7e76a77aabef8989cbc0a8417af1aa040620867"},{"fixed":"06c6ce21cec77dfa860d57e7a006000a57812efb"},{"fixed":"58143c1ed5882c138a3cd2251a336fc8755f23d9"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-49031.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.8.0"},{"fixed":"4.9.335"}]},{"type":"ECOSYSTEM","events":[{"introduced":"4.10.0"},{"fixed":"4.14.301"}]},{"type":"ECOSYSTEM","events":[{"introduced":"4.15.0"},{"fixed":"4.19.268"}]},{"type":"ECOSYSTEM","events":[{"introduced":"4.20.0"},{"fixed":"5.4.226"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.5.0"},{"fixed":"5.10.158"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.11.0"},{"fixed":"5.15.82"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.0.12"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-49031.json"}}],"schema_version":"1.7.5"}