#VU124893 Improper resource shutdown or release in Linux kernel - CVE-2026-31390
Published: April 6, 2026
Vulnerability identifier: #VU124893
Vulnerability risk: Low
CVSSv4.0: 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/E:U/U:Clear
CVE-ID: CVE-2026-31390
CWE-ID: CWE-404
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to improper resource shutdown or release in xe_vm_madvise_ioctl when handling ioctl arguments. A local user can supply invalid arguments that trigger the error path to cause a denial of service.
The issue occurs when validation in check_bo_args_are_sane() fails and allocated resources are not properly freed.
Remediation
Install security update from vendor's repository.