The vulnerability of the acpi_ec_setup() function in the drivers/acpi/ec.c file of the Linux ACPI configuration and power management extension driver module allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the acpiecsetup function in the drivers/acpi/ec.c file of the Linux ACPI configuration and power management extension driver is related to the reutilization of previously freed memory. Exploiting this vulnerability could allow an attacker to compromise the confidentiality,...

UBUNTU-CVE-2026-31426

In the Linux kernel, the following vulnerability has been resolved: ACPI: EC: clean up handlers on probe failure in acpiecsetup When ecinstallhandlers returns -EPROBEDEFER on reduced-hardware platforms, it has already started the EC and installed the address space handler with the struct acpiec...