CVE-2025-40211 | Linux Kernel up to 6.12.57/6.17.7/6.18-rc3 ACPI acpi_video_switch_brightness use after free

A vulnerability, which was classified as critical, has been found in Linux Kernel up to 6.12.57/6.17.7/6.18-rc3. Affected by this vulnerability is the function acpi_video_switch_brightness of the component ACPI. Performing manipulation results in use after free.

This vulnerability is identified as CVE-2025-40211. The attack can only be performed from the local network. There is not any exploit available.

It is advisable to upgrade the affected component.VulDB Recent EntriesRead More