CVE-2022-49032
iio: health: afe4404: Fix oob read in afe4404_[read|write]_raw
- Published
- Updated
- Reserved
- Assigned by
- Linux
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.
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 – < 68de7da092f38395dde523f2e5db26eba6c23e28
- affected b36e8257641a043764c62240316610c81e36376c – < 113c08030a89aaf406f8a1d4549d758a67c2afba
- affected b36e8257641a043764c62240316610c81e36376c – < f5575041ec15310bdc50c42b8b22118cc900226e
- affected b36e8257641a043764c62240316610c81e36376c – < 3f566b626029ca8598d48e5074e56bb37399ca1b
- affected b36e8257641a043764c62240316610c81e36376c – < 5eb114f55b37dbc0487aa9c1913b81bb7837f1c4
- affected b36e8257641a043764c62240316610c81e36376c – < f7419fc42afc035f6b29ce713e17dcd2000c833f
- affected b36e8257641a043764c62240316610c81e36376c – < d45d9f45e7b1365fd0d9bf14680d6d5082a590d1
- affected b36e8257641a043764c62240316610c81e36376c – < fc92d9e3de0b2d30a3ccc08048a5fad533e4672b
- 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/68de7da092f38395dde523f2e5db26eba6c23e28 (opens in a new tab)
- https://git.kernel.org/stable/c/113c08030a89aaf406f8a1d4549d758a67c2afba (opens in a new tab)
- https://git.kernel.org/stable/c/f5575041ec15310bdc50c42b8b22118cc900226e (opens in a new tab)
- https://git.kernel.org/stable/c/3f566b626029ca8598d48e5074e56bb37399ca1b (opens in a new tab)
- https://git.kernel.org/stable/c/5eb114f55b37dbc0487aa9c1913b81bb7837f1c4 (opens in a new tab)
- https://git.kernel.org/stable/c/f7419fc42afc035f6b29ce713e17dcd2000c833f (opens in a new tab)
- https://git.kernel.org/stable/c/d45d9f45e7b1365fd0d9bf14680d6d5082a590d1 (opens in a new tab)
- https://git.kernel.org/stable/c/fc92d9e3de0b2d30a3ccc08048a5fad533e4672b (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-2022-49032)Record last updated .