CVE-2022-49031

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.

Reserved 2024-08-22 | Published 2024-10-21 | Updated 2024-11-04 | Assigner Linux

Product status

Default status
unaffected

b36e8257641a before 98afcb5f3be6
affected

b36e8257641a before c9268df36818
affected

b36e8257641a before 726fa3e4ab97
affected

b36e8257641a before 2d6a437064ff
affected

b36e8257641a before b1756af172fb
affected

b36e8257641a before e7e76a77aabe
affected

b36e8257641a before 06c6ce21cec7
affected

b36e8257641a before 58143c1ed588
affected

Default status
affected

4.8
affected

Any version before 4.8
unaffected

4.9.335
unaffected

4.14.301
unaffected

4.19.268
unaffected

5.4.226
unaffected

5.10.158
unaffected

5.15.82
unaffected

6.0.12
unaffected

6.1
unaffected

References

git.kernel.org/...c/98afcb5f3be645d330c74c5194ba0d80e26f95e0

git.kernel.org/...c/c9268df36818ee4eaaaeadc80009b442a5ca69c9

git.kernel.org/...c/726fa3e4ab97dcff1c745bdc4fb137366cb8d3df

git.kernel.org/...c/2d6a437064ffbe685c67ddb16dfc0946074c6c3f

git.kernel.org/...c/b1756af172fb80a3edc143772d49e166ec691b6c

git.kernel.org/...c/e7e76a77aabef8989cbc0a8417af1aa040620867

git.kernel.org/...c/06c6ce21cec77dfa860d57e7a006000a57812efb

git.kernel.org/...c/58143c1ed5882c138a3cd2251a336fc8755f23d9

cve.org (CVE-2022-49031)

nvd.nist.gov (CVE-2022-49031)

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