Double free in Linux kernel - CVE-2026-31489

 

Double free in Linux kernel - CVE-2026-31489

Published: April 24, 2026


Vulnerability identifier: #VU127659
CSH Severity: Low
CVSS v4.0: 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/E:U/U:Clear
CVE-ID: CVE-2026-31489
CWE-ID: CWE-415
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel

Detailed vulnerability description

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

The vulnerability exists due to a double free in meson_spicc_remove() when removing the SPI controller. A local user can trigger the removal path to cause a denial of service.


How to mitigate CVE-2026-31489

Install security update from vendor's repository.

Sources