CVE-2026-31757

Summary

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

usb: misc: usbio: Fix URB memory leak on submit failure

When usb_submit_urb() fails in usbio_probe(), the previously allocated URB is never freed, causing a memory leak.

Fix this by jumping to err_free_urb label to properly release the URB on the error path.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux121a0f839dbb397af5fabb701cea3e9983223e50 < 65ff09f48b0e72e4049096a989723406aabcf091affected
LinuxLinux121a0f839dbb397af5fabb701cea3e9983223e50 < 1762dc43b983d321180582afba4a0c5185fae04caffected
LinuxLinux121a0f839dbb397af5fabb701cea3e9983223e50 < 33cfe0709b6bf1a7f1a16d5e8d65d003a71b6a21affected
LinuxLinux6.18affected
LinuxLinux0 < 6.18unaffected
LinuxLinux6.18.22 <= 6.18.*unaffected
LinuxLinux6.19.12 <= 6.19.*unaffected
LinuxLinux7.0 <= *unaffected

Weaknesses

References