Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2026-64345

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: f_printer: take kref only for successful open printer_open() returns -EBUSY when the character device is already open, but it increments dev->kref regardless of the return value. VFS does not call ->release() for a failed open, so every rejected second open permanently leaks one reference. Move kref_get() into the successful-open branch.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 6.8%
CVSS Severity
CVSS v3 Score 5.5
Products affected by CVE-2026-64345


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