Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

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

CVE-2025-40211

In CVE-2025-40211, a Linux kernel ACPI code path (ACPI: video) had a use-after-free in acpi_video_switch_brightness() where switch_brightness_work accesses device fields after the backlight was freed during removal. The patch prevents this by calling cancel_delayed_work_sync() for each device’s s...

PT-2025-48870

Уязвимость функции acpi video switch brightness drivers/acpi/acpi video.c ядра операционной системы Linux связана с использованием памяти после ее освобождения. Эксплуатация уязвимости может позволить нарушителю вызвать отказ в обслуживании...