Riskcovery

CVE-2026-31627

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

State
Published
Severity
7.8 High
Published
Apr 24, 2026
Updated
Aug 5, 2026
Reserved
Mar 9, 2026

Read the record on cve.org

Description

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.

Scores

CVSSScoreVectorSource
3.17.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HLinux

Weaknesses

The record names no weakness.

Affected Products

ProductVersions
LinuxLinux
  • 85747311ecb6167c989093c64a13807366fdd3a9 to before fd1650da24ed54c716aa9b69e9bbd8a662e492daAffected
  • 85747311ecb6167c989093c64a13807366fdd3a9 to before 8f756a5964396da0fc9e0db33253a5b85dbbcbb6Affected
  • 85747311ecb6167c989093c64a13807366fdd3a9 to before 2d262da4bca6fab96e2e709feb95b31b0a9a03a7Affected
  • 85747311ecb6167c989093c64a13807366fdd3a9 to before fa00738ab30b07db1a43b9c85fc56b8cc3b7d197Affected
  • 85747311ecb6167c989093c64a13807366fdd3a9 to before d87d5620125a03b1eadbd5df39748215d3db7ddbAffected
  • 85747311ecb6167c989093c64a13807366fdd3a9 to before 377fae22a137b6b89f3f32399a58c52cf2325416Affected
  • 85747311ecb6167c989093c64a13807366fdd3a9 to before 71b3c316b22c555d2769126a92b1244b15a9750dAffected
  • 85747311ecb6167c989093c64a13807366fdd3a9 to before aaaaec39ddbcd06770dca7f1adebc3b1242ebe7bAffected
  • 85747311ecb6167c989093c64a13807366fdd3a9 to before c0128c7157d639a931353ea344fb44aad6d6e17aAffected
LinuxLinux
  • 3.10Affected
  • before 3.10Not affected
  • 5.10.258 through 5.10.*Not affected
  • 5.15.209 through 5.15.*Not affected
  • 6.1.175 through 6.1.*Not affected
  • 6.6.136 through 6.6.*Not affected
  • 6.12.83 through 6.12.*Not affected
  • 6.18.24 through 6.18.*Not affected
  • 6.19.14 through 6.19.*Not affected
  • 7.0.1 through 7.0.*Not affected
  • 7.1 and laterNot affected

References

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