linux kernel patch

AMD is preparing a CPPC “Highest Frequency” capability for future processors, surfaced in Linux kernel patches dated May 4, 2026, to let operating systems read a core’s actual maximum boost frequency rather than infer it from abstract performance values. If it lands as expected in ACPI 6.7 and...

CVE-2026-23408 is a reminder that even a small memory-management mistake in a security boundary can have outsized consequences. Microsoft’s severity framing focuses on availability, and the vulnerability description points to a condition where an attacker can cause a total loss of service in the...