CVE-2026-64512 ACPI: CPPC: Suppress UBSAN warning caused by field misuse

In the Linux kernel, the following vulnerability has been resolved: ACPI: CPPC: Suppress UBSAN warning caused by field misuse The definition of reg-accesswidth changes depending on the reg-spaceid type. Type ACPIADRSPACEPLATFORMCOMM uses accesswidth to indicate the PCC region, which can result in...

PT-2026-64733

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 7.0.10-201.fc44.aarch64 Description An issue exists in the ACPI CPPC component where the definition of reg-access width varies based on the reg-space id type. When the type is ACPI ADR SPACE PLATFORM COMM, access...

Linux Distros Unpatched Vulnerability : CVE-2026-64512

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ACPI: CPPC: Suppress UBSAN warning caused by field misuse The definition of reg-accesswidth changes depending on the reg-spaceid type. Type...