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4DescriptionNVD
In the Linux kernel, the following vulnerability has been resolved:
nfc: pn533: properly drop the usb interface reference on disconnect
When the device is disconnected from the driver, there is a "dangling" reference count on the usb interface that was grabbed in the probe callback. Fix this up by properly dropping the reference after we are done with it.
AnalysisAI
This vulnerability involves improper resource cleanup in the Linux kernel's NFC PN533 USB driver, where a reference count on the USB interface is not properly released when a device is disconnected. Affected systems include all Linux kernel versions with the vulnerable PN533 driver code, impacting any system using NFC devices based on the PN533 chipset. …
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Vendor StatusVendor
Debian
| Release | Status | Fixed Version | Urgency |
|---|---|---|---|
| bullseye | vulnerable | 5.10.223-1 | - |
| bullseye (security) | vulnerable | 5.10.251-1 | - |
| bookworm | vulnerable | 6.1.159-1 | - |
| bookworm (security) | vulnerable | 6.1.164-1 | - |
| trixie | vulnerable | 6.12.73-1 | - |
| trixie (security) | vulnerable | 6.12.74-2 | - |
| forky, sid | fixed | 6.19.8-1 | - |
| (unstable) | fixed | 6.19.8-1 | - |
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External POC / Exploit Code
Leaving vuln.today
EUVD-2026-15220
GHSA-3m5v-fjjv-99m5