CVE-2022-49032: Linux Kernel

High severity, CVSS 7.1. EPSS: 0.2% chance of exploitation in the next 30 days.

In the Linux kernel, the following vulnerability has been resolved: iio: health: afe4404: Fix oob read in afe4404_[read|write]_raw KASAN report out-of-bounds read as follows: BUG: KASAN: global-out-of-bounds in afe4404_read_raw+0x2ce/0x380 Read of size 4 at addr ffffffffc00e4658 by task cat/278 Call Trace: afe4404_read_raw iio_read_channel_info dev_attr_show The buggy address belongs to the variable: afe4404_channel_leds+0x18/0xffffffffffffe9c0 This issue can be reproduce by singe command: $ cat /sys/bus/i2c/devices/0-0058/iio\:device0/in_intensity6_raw The array size of afe4404_channel_leds and afe4404_channel_offdacs are less than channels, so access with chan->address cause OOB read in afe4404_[read|write]_raw. Fix it by moving access before use them.

Affected products

• Linux Linux Kernel: from 4.8, before 4.9.335 (fixed in 4.9.335); from 4.10, before 4.14.301 (fixed in 4.14.301); from 4.15, before 4.19.268 (fixed in 4.19.268); from 4.20, before 5.4.226 (fixed in 5.4.226); from 5.5, before 5.10.158 (fixed in 5.10.158); from 5.11, before 5.15.82 (fixed in 5.15.82); …

Published 2024-10-21. Last modified 2026-06-17.