In the Linux kernel, the following vulnerability has been resolved: cpufreq/amd-pstate: Add missing NULL ptr check in amd_pstate_update Check if policy is NULL before dereferencing it in amd_pstate_update.
https://git.kernel.org/stable/c/b99c1c63d88c75a4dc5487c3696cda38697b8d35
https://git.kernel.org/stable/c/426db24d4db2e4f0d6720aeb7795eafcb9e82640