CVE-2026-64242

Summary

In the Linux kernel, the following vulnerability has been resolved:

usb: gadget: net2280: Fix double free in probe error path

usb_initialize_gadget() installs gadget_release() as the release callback for the embedded gadget device. The struct net2280 instance is therefore released through gadget_release() when the gadget device's last reference is dropped.

The probe error path calls net2280_remove(), which tears down the partially initialized device and drops the gadget reference with usb_put_gadget(). Calling kfree(dev) afterwards can free the same object again.

Drop the explicit kfree() and let the gadget device release callback handle the final free. This issue was found by a static analysis tool I am developing.

Affected Software

VendorProductVersion RangeStatus
LinuxLinuxf770fbec4165b1acfabdeadb01ad6008d2c537b5 < 71b3391dc81655ff058492f8e9d013b2c6e5747baffected
LinuxLinuxf770fbec4165b1acfabdeadb01ad6008d2c537b5 < 550fa4d071a8c8e53072900869d37ae6abf4999daffected
LinuxLinuxf770fbec4165b1acfabdeadb01ad6008d2c537b5 < c5b9fdb1e8ddf50bc6272927edb118679f170350affected
LinuxLinuxf770fbec4165b1acfabdeadb01ad6008d2c537b5 < 085652fda7f38040d1a2c42d72614f418feb843faffected
LinuxLinuxf770fbec4165b1acfabdeadb01ad6008d2c537b5 < 48f89ead20e48d447ad29fa937b43b9fa981cf28affected
LinuxLinuxf770fbec4165b1acfabdeadb01ad6008d2c537b5 < e6f8be12f0307145b9a6010f044925952b37de8baffected
LinuxLinuxf770fbec4165b1acfabdeadb01ad6008d2c537b5 < db2b72e83a0208ae2b3b270bf91662b1c6849a9baffected
LinuxLinuxf770fbec4165b1acfabdeadb01ad6008d2c537b5 < c8547c74988e0b5f4cbb1b895e2a57aae084f070affected
LinuxLinux5.10affected
LinuxLinux0 < 5.10unaffected
LinuxLinux5.10.259 <= 5.10.*unaffected
LinuxLinux5.15.210 <= 5.15.*unaffected
LinuxLinux6.1.176 <= 6.1.*unaffected
LinuxLinux6.6.143 <= 6.6.*unaffected
LinuxLinux6.12.93 <= 6.12.*unaffected
LinuxLinux6.18.35 <= 6.18.*unaffected
LinuxLinux7.0.12 <= 7.0.*unaffected
LinuxLinux7.1 <= *unaffected

Weaknesses

References