CLSA-2025-1750175787 kernel: Fix of 4 CVEs

media: pvrusb2: fix array-index-out-of-bounds in pvr2i2ccoreinit CVE-2022-49478 - x86/kvm: Disable kvmclock on all CPUs on shutdown CVE-2021-47110 - cifs: fix potential double free during failed mount CVE-2022-49541 - drm/amd/pm: fix double free in siparsepowertable CVE-2022-49530...