The vulnerability of the pn533_usb_disconnect() function in the drivers/nfc/pn533/usb.c module of the Linux kernel NFC driver allows a hacker to cause a service failure.

The vulnerability of the pn533usbdisconnect function in the NFC driver/nfc/pn533/usb.c module of the Linux operating system’s kernel is related to errors during link counters updates. Exploiting this vulnerability could allow a remote attacker to cause service failures...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-000462)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-000462 advisory. In the Linux kernel before 5.3.9, there is a use-after-free bug that can be caused by a malicious USB device in the drivers/nfc/pn533/usb.c driver, aka...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2025-990805)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990805 advisory. In the Linux kernel, the following vulnerability has been resolved: nfc: pn533: initialize struct pn533outarg properly struct pn533outarg used as a temporary context...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-989544)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989544 advisory. In the Linux kernel, the following vulnerability has been resolved: nfc: pn533: Wait for outurb's completion in pn533usbsendframe Fix a use-after-free that occurs in...

PT-2019-4481 · Linux +3 · Linux Kernel +3

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 5.3.9 Description: The issue is related to a use-after-free bug in the Linux kernel, specifically in the drivers/nfc/pn533/usb.c driver. This bug can be triggered by a malicious USB device, potentially leading t...