CVE-2025-40211 ACPI: video: Fix use-after-free in acpi_video_switch_brightness()

In the Linux kernel, the following vulnerability has been resolved: ACPI: video: Fix use-after-free in acpivideoswitchbrightness The switchbrightnesswork delayed work accesses device-brightness and device-backlight, freed by acpivideodevunregisterbacklight during device removal. If the work...