CVE-2026-23291

kernel: nfc: pn533: properly drop the usb interface reference on disconnect

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Severity

Unknown

Red Hat Product Security

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CVSS

Review impact separately from score.

Published · March 25, 2026

Updated · June 28, 2026

Description

A flaw was found in the Linux kernel's nfc: pn533 driver. When a device is disconnected, a reference count on the USB interface is not properly dropped, leading to a dangling reference. This resource management issue may lead to system instability or a denial of service (DoS).

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CWE-911 · Improper Update of Reference Count