Improper resource shutdown or release in Linux kernel - CVE-2026-46201

 

Improper resource shutdown or release in Linux kernel - CVE-2026-46201

Published: May 29, 2026


Vulnerability identifier: #VU132997
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-2026-46201
CWE-ID: CWE-404
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 improper resource shutdown or release in xe_gem_prime_import() when handling dma-buf imports after xe_dma_buf_init_obj() fails. A local user can trigger an error during dma-buf import to cause a denial of service.


How to mitigate CVE-2026-46201

Install security update from vendor's repository.

Sources