CVE-2022-49031: linux Out-of-bounds Read
Vulnerability summary
CVE-2022-49031 is a high (CVSS 7.1) Out-of-bounds Read vulnerability in linux. EPSS estimates a 0.24% chance of exploitation in the next 30 days, higher than 14.7% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 7 · Related 7Timeline
- 21-10-2024PublishedVulnerability first disclosed.
- 11-05-2026Last modifiedVulnerability information updated.
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.
CVSS metrics
3 scores · 3 sources · 1 version- OSV · UbuntuEcosystem advisory · calculated7.1HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.1HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
EPSS trend
Probability
0.24%
Chance of exploitation in the next 30 days
Percentile
15%
Versus all other CVEs
30-day change
0.00 pp
From 0.24% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ubuntu112 products
- linux< 4.15.0-206.217 | < 5.4.0-144.161 | < 5.15.0-67.74
- linux-allwinner-5.19All versions (No fix recorded)
- linux-aws< 4.15.0-1151.164 | < 5.4.0-1097.105 | < 5.15.0-1031.35
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ b36e8257641a043764c62240316610c81e36376c, < 98afcb5f3be645d330c74c5194ba0d80e26f95e0 | ≥ b36e8257641a043764c62240316610c81e36376c, < c9268df36818ee4eaaaeadc80009b442a5ca69c9 | ≥ b36e8257641a043764c62240316610c81e36376c, < 726fa3e4ab97dcff1c745bdc4fb137366cb8d3df | ≥ b36e8257641a043764c62240316610c81e36376c, < 2d6a437064ffbe685c67ddb16dfc0946074c6c3f | ≥ b36e8257641a043764c62240316610c81e36376c, < b1756af172fb80a3edc143772d49e166ec691b6c | ≥ b36e8257641a043764c62240316610c81e36376c, < e7e76a77aabef8989cbc0a8417af1aa040620867 | ≥ b36e8257641a043764c62240316610c81e36376c, < 06c6ce21cec77dfa860d57e7a006000a57812efb | ≥ b36e8257641a043764c62240316610c81e36376c, < 58143c1ed5882c138a3cd2251a336fc8755f23d9 | 4.8
- linux_kernel≥ 4.8, < 4.9.335 | ≥ 4.10, < 4.14.301 | ≥ 4.15, < 4.19.268 | ≥ 4.20, < 5.4.226 | ≥ 5.5, < 5.10.158 | ≥ 5.11, < 5.15.82 | ≥ 5.16, < 6.0.12 | 6.1:rc1 | 6.1:rc2 | 6.1:rc3 | 6.1:rc4 | 6.1:rc5 | 6.1:rc6
Debian1 product
- linux< 6.0.12-1
3 vendors · 115 products
