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VULNERABILITIES

CVE-2026-31627 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: kernel.orgCVSS-B:7.8 HIGHVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://git.kernel.org/stable/c/2d262da4bca6fab96e2e709feb95b31b0a9a03a7 kernel.org
https://git.kernel.org/stable/c/377fae22a137b6b89f3f32399a58c52cf2325416 kernel.orgPatch
https://git.kernel.org/stable/c/71b3c316b22c555d2769126a92b1244b15a9750d kernel.orgPatch
https://git.kernel.org/stable/c/8f756a5964396da0fc9e0db33253a5b85dbbcbb6 kernel.org
https://git.kernel.org/stable/c/aaaaec39ddbcd06770dca7f1adebc3b1242ebe7b kernel.orgPatch

see all 9 references

Weakness Enumeration

CWE-IDCWE NameSource
NVD-CWE-noinfoInsufficient Information to Classify Weakness[email protected]

Affected Products

ProductVersions
linux linux kernel
>= 3.10.1, < 6.6.136
>= 6.7, < 6.12.83
>= 6.13, < 6.18.24
>= 6.19, < 6.19.14
>= 7.0, < 7.0.1

CPE

  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:3.10:-:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

7 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-31627
NVD Published Date:
Apr 24, 2026
NVD Last Modified:
Jun 17, 2026
Source:
kernel.org
CVE-2026-31627 Details - Not Deferred