SB2026040651 - Improper resource shutdown or release in Linux kernel drm xe driver
Published: April 6, 2026
Security Bulletin ID
SB2026040651
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper resource shutdown or release (CVE-ID: CVE-2026-31390)
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 update from vendor's website.