CVE-2026-23291
MEDIUM severity · CVSS 5.5
5.5CVSS MEDIUM
Summary
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.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)0%
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Official patch: https://git.kernel.org/stable/c/00477cab053dc4816b99141d8fcca7a479cfebeb ↗
Additional information
- NVD record
- https://git.kernel.org/stable/c/00477cab053dc4816b99141d8fcca7a479cfebebPatch
- https://git.kernel.org/stable/c/12133a483dfa832241fbbf09321109a0ea8a520ePatch
- https://git.kernel.org/stable/c/4551d6cea00224ab65a0ef35e4e6da0e9c0a2d74Patch
- https://git.kernel.org/stable/c/5be8aa2bcfb53158436182db8dee9d0b8e5901e6Patch
- https://git.kernel.org/stable/c/6645b030b0c1fc5bf338bffb0044238f24b2f770Patch
- https://git.kernel.org/stable/c/7398d6570501edc55a50ece820f369ab3c1df2e7Patch
- https://git.kernel.org/stable/c/7ff14eb070f0efecb2606f8d7aa01b77d188e886Patch
- https://git.kernel.org/stable/c/d1f6d20b3c2642ec85ce6ea5da7155746c31c6d0Patch