SB20260720214 - Improper resource shutdown or release in Linux kernel acpi driver

Description

This security bulletin contains information about 1 vulnerability.

1) Improper resource shutdown or release (CVE-ID: CVE-2026-64013)

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

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 improper resource shutdown or release in the ACPI button driver removal handler when handling ACPI notify events after driver removal. A local user can trigger ACPI notify on the affected device after removing the driver to cause a denial of service.

A subsequent probe of the same device with the same driver may also fail.

Remediation

Install update from vendor's website.

References

• https://git.kernel.org/stable/c/614cb8c26c5aa53196ee9b211b76ee618b147d32
• https://git.kernel.org/stable/c/fe80251152fed5b185f795ef2cd9f7fe9c3162e0