CVE-2026-31627

HIGH 7.8

i2c: s3c24xx: check the size of the SMBUS message before using it

CVSS Score

7.8

EPSS Score

0.0%

EPSS Percentile

0th

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.

Vendor	linux
Product	linux
Ecosystems	Linux Kernel
Industries	Technology
Published	Apr 24, 2026
Last Updated	Jun 1, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

Linux / Linux

85747311ecb6167c989093c64a13807366fdd3a9 < fd1650da24ed54c716aa9b69e9bbd8a662e492da 85747311ecb6167c989093c64a13807366fdd3a9 < 8f756a5964396da0fc9e0db33253a5b85dbbcbb6 85747311ecb6167c989093c64a13807366fdd3a9 < 2d262da4bca6fab96e2e709feb95b31b0a9a03a7 85747311ecb6167c989093c64a13807366fdd3a9 < fa00738ab30b07db1a43b9c85fc56b8cc3b7d197 85747311ecb6167c989093c64a13807366fdd3a9 < d87d5620125a03b1eadbd5df39748215d3db7ddb 85747311ecb6167c989093c64a13807366fdd3a9 < 377fae22a137b6b89f3f32399a58c52cf2325416 85747311ecb6167c989093c64a13807366fdd3a9 < 71b3c316b22c555d2769126a92b1244b15a9750d 85747311ecb6167c989093c64a13807366fdd3a9 < aaaaec39ddbcd06770dca7f1adebc3b1242ebe7b 85747311ecb6167c989093c64a13807366fdd3a9 < c0128c7157d639a931353ea344fb44aad6d6e17a

Linux / Linux

3.10

References

NVD ↗ CVE.org ↗ EPSS Data ↗