CVE-2022-49031
iio: health: afe4403: Fix oob read in afe4403_read_raw
- Published
- Updated
- Reserved
- Assigned by
- Linux
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Analyzed | 3.1 | High7.1 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.24% · top 84% of all CVEs (6 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.1.
Weakness
Affected products
- affected b36e8257641a043764c62240316610c81e36376c – < 98afcb5f3be645d330c74c5194ba0d80e26f95e0
- affected b36e8257641a043764c62240316610c81e36376c – < c9268df36818ee4eaaaeadc80009b442a5ca69c9
- affected b36e8257641a043764c62240316610c81e36376c – < 726fa3e4ab97dcff1c745bdc4fb137366cb8d3df
- affected b36e8257641a043764c62240316610c81e36376c – < 2d6a437064ffbe685c67ddb16dfc0946074c6c3f
- affected b36e8257641a043764c62240316610c81e36376c – < b1756af172fb80a3edc143772d49e166ec691b6c
- affected b36e8257641a043764c62240316610c81e36376c – < e7e76a77aabef8989cbc0a8417af1aa040620867
- affected b36e8257641a043764c62240316610c81e36376c – < 06c6ce21cec77dfa860d57e7a006000a57812efb
- affected b36e8257641a043764c62240316610c81e36376c – < 58143c1ed5882c138a3cd2251a336fc8755f23d9
- affected 4.8
- unaffected < 4.8
- unaffected 4.9.335 – ≤ 4.9.*
- unaffected 4.14.301 – ≤ 4.14.*
- unaffected 4.19.268 – ≤ 4.19.*
- unaffected 5.4.226 – ≤ 5.4.*
- unaffected 5.10.158 – ≤ 5.10.*
- unaffected 5.15.82 – ≤ 5.15.*
- unaffected 6.0.12 – ≤ 6.0.*
- unaffected 6.1 – ≤ *
References (8)
- https://git.kernel.org/stable/c/98afcb5f3be645d330c74c5194ba0d80e26f95e0 (opens in a new tab)
- https://git.kernel.org/stable/c/c9268df36818ee4eaaaeadc80009b442a5ca69c9 (opens in a new tab)
- https://git.kernel.org/stable/c/726fa3e4ab97dcff1c745bdc4fb137366cb8d3df (opens in a new tab)
- https://git.kernel.org/stable/c/2d6a437064ffbe685c67ddb16dfc0946074c6c3f (opens in a new tab)
- https://git.kernel.org/stable/c/b1756af172fb80a3edc143772d49e166ec691b6c (opens in a new tab)
- https://git.kernel.org/stable/c/e7e76a77aabef8989cbc0a8417af1aa040620867 (opens in a new tab)
- https://git.kernel.org/stable/c/06c6ce21cec77dfa860d57e7a006000a57812efb (opens in a new tab)
- https://git.kernel.org/stable/c/58143c1ed5882c138a3cd2251a336fc8755f23d9 (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2022-49031)Record last updated .