SB2026082492 - Integer overflow in Linux kernel hwmon driver



SB2026082492 - Integer overflow in Linux kernel hwmon driver

Published: August 24, 2026

Security Bulletin ID SB2026082492
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Data manipulation

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Integer overflow (CVE-ID: CVE-2026-74685)

CWE-ID: CWE-190 - Integer overflow

CVSSv4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a local user to cause incorrect current limit handling.

The vulnerability exists due to an integer overflow in ltc4282_write_curr() when processing a negative current limit value. A local user can supply a negative value to cause incorrect current limit handling.


Remediation

Install update from vendor's website.