PT-2026-34979 · Linux · Linux Kernel

Published 2026-04-24 · Updated 2026-05-26 · CVE-2026-31627

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description An issue exists in the i2c s3c24xx driver where the size of an i2c SMBUS message is not verified. The first byte of the message, which represents the size, must be checked to ensure it falls within the range of 0 to I2C SMBUS BLOCK MAX before it is processed.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Related Identifiers

CVE-2026-31627

ECHO-0ED0-3708-CDE9

OPENSUSE-SU-2026:10703-1

Affected Products

Linux Kernel

References · 83

• https://ubuntu.com/security/CVE-2026-31627 · Vendor Advisory
• https://git.kernel.org/stable/c/377fae22a137b6b89f3f32399a58c52cf2325416 · Patch
• https://osv.dev/vulnerability/ROOT-OS-UBUNTU-2204-CVE-2026-31627 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2026:10703-1 · Vendor Advisory
• https://git.kernel.org/stable/c/71b3c316b22c555d2769126a92b1244b15a9750d · Patch
• https://git.kernel.org/stable/c/aaaaec39ddbcd06770dca7f1adebc3b1242ebe7b · Patch
• https://git.kernel.org/stable/c/d87d5620125a03b1eadbd5df39748215d3db7ddb · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2026-31627 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2026-31627 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-31627 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-31627 · Vendor Advisory
• https://git.kernel.org/stable/c/c0128c7157d639a931353ea344fb44aad6d6e17a · Patch
• https://osv.dev/vulnerability/BELL-CVE-2026-31627 · Vendor Advisory
• https://git.kernel.org/stable/c/fa00738ab30b07db1a43b9c85fc56b8cc3b7d197 · Patch
• https://cve.org/CVERecord?id=CVE-2026-31627 · Security Note