Improper Check or Handling of Exceptional Conditions in Linux kernel - CVE-2026-46297
Published: June 10, 2026
Vulnerability identifier: #VU134231
CSH Severity: Low
CVSS v4.0: 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-2026-46297
CWE-ID: CWE-703
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to improper resource or shutdown handling in the VF misc interrupt registration logic in libwx when registering the VF misc interrupt handler. A local user can trigger the vulnerable interrupt registration path to cause a denial of service.
The issue results in a kernel WARNING when the interrupt is registered with IRQF_ONESHOT and no threaded handler.
How to mitigate CVE-2026-46297
Install security update from vendor's repository.