SB2026072759 - Improper resource shutdown or release in Linux kernel iio pressure driver
Published: July 27, 2026
Breakdown by Severity
- 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.
References
- https://git.kernel.org/stable/c/46e69d3dd429b33e50e2731913239f6af4ea2705
- https://git.kernel.org/stable/c/5022f4ed5aae974ec530e3cbf0bd223be13055f7
- https://git.kernel.org/stable/c/aab0fed636b14a5fd52fcae58b484f1cb96b841d
- https://git.kernel.org/stable/c/b3f1af4ba8e9cf33aa08c4cdcaa5a17b140521ec
- https://git.kernel.org/stable/c/fbe67ff37a6fd855a6c097f84f3738bd13d0a898