CVE-2026-46039: kernel: rxgk: Fix potential integer overflow in length check

Severity: Critical

CVSS Score: 9.8

In the Linux kernel, the following vulnerability has been resolved: rxgk: Fix potential integer overflow in length check Fix potential integer overflow in rxgk_extract_token() when checking the length of the ticket. Rather than rounding up the value to be tested (which might overflow), round down the size of the available data.