SB20260815202 - Out-of-bounds write in Linux kernel power supply driver

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Main Vulnerability Database SB20260815202

SB20260815202 - Out-of-bounds write in Linux kernel power supply driver

Published: August 15, 2026

Security Bulletin ID SB20260815202
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Out-of-bounds write (CVE-ID: CVE-2026-74271)

CWE-ID: CWE-787 - Out-of-bounds write

CVSSv4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a local user to cause a denial of service.

The vulnerability exists due to an out-of-bounds write in __power_supply_populate_supplied_from when processing a device tree property with multiple power-supplies values. A local user can provide a crafted device tree configuration to cause a denial of service.

Exploitation requires the system to process a device tree configuration in which the power-supplies property contains multiple values.


Remediation

Install update from vendor's website.

References