Debian: CVE-2022-49031: linux -- security update

Debian: CVE-2022-49031: linux -- security update

Severity

6

CVSS

(AV:L/AC:L/Au:S/C:C/I:N/A:C)

Published

10/23/2024

Created

10/24/2024

Added

10/23/2024

Modified

01/28/2025

Description

In the Linux kernel, the following vulnerability has been resolved: iio: health: afe4403: Fix oob read in afe4403_read_raw KASAN report out-of-bounds read as follows: BUG: KASAN: global-out-of-bounds in afe4403_read_raw+0x42e/0x4c0 Read of size 4 at addr ffffffffc02ac638 by task cat/279 Call Trace: afe4403_read_raw iio_read_channel_info dev_attr_show The buggy address belongs to the variable: afe4403_channel_leds+0x18/0xffffffffffffe9e0 This issue can be reproduced by singe command: $ cat /sys/bus/spi/devices/spi0.0/iio\:device0/in_intensity6_raw The array size of afe4403_channel_leds is less than channels, so access with chan->address cause OOB read in afe4403_read_raw. Fix it by moving access before use it.

Solution(s)

• debian-upgrade-linux

References

• https://attackerkb.com/topics/cve-2022-49031
• CVE - 2022-49031