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HIGHCVE-2026-31627Published Modified CNA Linux

CVE-2026-31627: i2c: s3c24xx: check the size of the SMBUS message before using it

In the Linux kernel, the following vulnerability has been resolved: i2c: s3c24xx: check the size of the SMBUS message before using it The first byte of an i2c SMBUS message is the size, and it should be verified to ensure that it is in the range of 0..I2C_SMBUS_BLOCK_MAX before processing it. This is the same logic that was added in commit a6e04f05ce0b ("i2c: tegra: check msg length in SMBUS block read") to the i2c tegra driver.

Metrics

CVSS v3.1
7.8
Severity
HIGH
Fixed in
0
Affected Products
2

Fix available

0377fae22a137b6b89f3f32399a58c52cf23254166.6.1366.12.836.18.246.19.147.0.17.1-rc171b3c316b22c555d2769126a92b1244b15a9750daaaaec39ddbcd06770dca7f1adebc3b1242ebe7bc0128c7157d639a931353ea344fb44aad6d6e17ad87d5620125a03b1eadbd5df39748215d3db7ddbfa00738ab30b07db1a43b9c85fc56b8cc3b7d197
Affected packages
  • Linux / Linux
    < fa00738ab30b07db1a43b9c85fc56b8cc3b7d197 (from 85747311ecb6167c989093c64a13807366fdd3a9) · < d87d5620125a03b1eadbd5df39748215d3db7ddb (from 85747311ecb6167c989093c64a13807366fdd3a9) · < 377fae22a137b6b89f3f32399a58c52cf2325416 (from 85747311ecb6167c989093c64a13807366fdd3a9) · < 71b3c316b22c555d2769126a92b1244b15a9750d (from 85747311ecb6167c989093c64a13807366fdd3a9) · < aaaaec39ddbcd06770dca7f1adebc3b1242ebe7b (from 85747311ecb6167c989093c64a13807366fdd3a9) · < c0128c7157d639a931353ea344fb44aad6d6e17a (from 85747311ecb6167c989093c64a13807366fdd3a9)
  • Linux / Linux
    3.10
    Fixed in 0, 6.6.136, 6.12.83, 6.18.24, 6.19.14, 7.0.1, 7.1-rc1
CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
References