SB2026072759 - Improper resource shutdown or release in Linux kernel iio pressure driver



SB2026072759 - Improper resource shutdown or release in Linux kernel iio pressure driver

Published: July 27, 2026

Security Bulletin ID SB2026072759
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Partial DoS

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Improper resource shutdown or release (CVE-ID: CVE-2026-64493)

CWE-ID: CWE-404 - Improper Resource Shutdown or Release

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


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

The vulnerability exists due to improper resource shutdown or release in mpl115_read_raw() in drivers/iio/pressure/mpl115.c when handling failed reads of processed pressure or raw temperature. A local user can trigger a read error to cause a denial of service.

The issue leaks a runtime PM reference on the error path and can prevent the device from autosuspending.


Remediation

Install update from vendor's website.