Main Vulnerability Database Vulnerabilities #VU150907

Improper resource shutdown or release in Linux kernel - CVE-2026-93101

Published: September 18, 2026

Vulnerability identifier: #VU150907

CSH Severity: Medium

CVSS v4: 5.1 [CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2026-93101

CWE-ID: CWE-404

Exploitation vector: Local access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows an attacker with physical access to cause a denial of service.

The vulnerability exists due to improper resource shutdown or release in v4l2_async_unregister_subdev() when disconnecting a susceptible em28xx USB device. An attacker with physical access can disconnect the USB device to cause a denial of service.

The issue occurs when a tvp5150 I2C sub-device is registered through means other than v4l2-async and its asynchronous connection list is empty.

Affected software

Linux kernel

How to mitigate CVE-2026-93101

Install security update from vendor's repository.

External References

Related Security Bulletins