CVE-2022-49032

Description

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.

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

Product status

Default status
unaffected

b36e8257641a before 68de7da092f3
affected

b36e8257641a before 113c08030a89
affected

b36e8257641a before f5575041ec15
affected

b36e8257641a before 3f566b626029
affected

b36e8257641a before 5eb114f55b37
affected

b36e8257641a before f7419fc42afc
affected

b36e8257641a before d45d9f45e7b1
affected

b36e8257641a before fc92d9e3de0b
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/68de7da092f38395dde523f2e5db26eba6c23e28

git.kernel.org/...c/113c08030a89aaf406f8a1d4549d758a67c2afba

git.kernel.org/...c/f5575041ec15310bdc50c42b8b22118cc900226e

git.kernel.org/...c/3f566b626029ca8598d48e5074e56bb37399ca1b

git.kernel.org/...c/5eb114f55b37dbc0487aa9c1913b81bb7837f1c4

git.kernel.org/...c/f7419fc42afc035f6b29ce713e17dcd2000c833f

git.kernel.org/...c/d45d9f45e7b1365fd0d9bf14680d6d5082a590d1

git.kernel.org/...c/fc92d9e3de0b2d30a3ccc08048a5fad533e4672b

cve.org (CVE-2022-49032)

nvd.nist.gov (CVE-2022-49032)

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