7.1

CVE-2022-49031

iio: health: afe4403: Fix oob read in afe4403_read_raw

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version >= 4.8 < 4.9.335
Linux ≫ Linux Kernel Version >= 4.10 < 4.14.301
Linux ≫ Linux Kernel Version >= 4.15 < 4.19.268
Linux ≫ Linux Kernel Version >= 4.20 < 5.4.226
Linux ≫ Linux Kernel Version >= 5.5 < 5.10.158
Linux ≫ Linux Kernel Version >= 5.11 < 5.15.82
Linux ≫ Linux Kernel Version >= 5.16 < 6.0.12
Linux ≫ Linux Kernel Version6.1 Updaterc1
Linux ≫ Linux Kernel Version6.1 Updaterc2
Linux ≫ Linux Kernel Version6.1 Updaterc3
Linux ≫ Linux Kernel Version6.1 Updaterc4
Linux ≫ Linux Kernel Version6.1 Updaterc5
Linux ≫ Linux Kernel Version6.1 Updaterc6
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.24% 0.153
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 7.1 1.8 5.2
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
CWE-125 Out-of-bounds Read

The product reads data past the end, or before the beginning, of the intended buffer.

https://git.kernel.org/stable/c/06c6ce21cec77dfa860d57e7a006000a57812efb
Patch
https://git.kernel.org/stable/c/2d6a437064ffbe685c67ddb16dfc0946074c6c3f
Patch
https://git.kernel.org/stable/c/58143c1ed5882c138a3cd2251a336fc8755f23d9
Patch
https://git.kernel.org/stable/c/726fa3e4ab97dcff1c745bdc4fb137366cb8d3df
Patch
https://git.kernel.org/stable/c/98afcb5f3be645d330c74c5194ba0d80e26f95e0
Patch
https://git.kernel.org/stable/c/b1756af172fb80a3edc143772d49e166ec691b6c
Patch
https://git.kernel.org/stable/c/c9268df36818ee4eaaaeadc80009b442a5ca69c9
Patch
https://git.kernel.org/stable/c/e7e76a77aabef8989cbc0a8417af1aa040620867
Patch