CVE-2024-26768

The CVE-2024-26768 issue affects the Linux kernel LoongArch ACPI MADT handling. The root cause was an overflow of acpi_core_pic[NR_CPUS] when the MADT table includes more CPUs than NR_CPUS (default NR_CPUS=64). The patch defines the array as acpi_core_pic[MAX_CORE_PIC] to match physical cores, pr...

CVE-2024-26768 LoongArch: Change acpi_core_pic[NR_CPUS] to acpi_core_pic[MAX_CORE_PIC]

In the Linux kernel, the following vulnerability has been resolved: LoongArch: Change acpicorepicNRCPUS to acpicorepicMAXCOREPIC With default config, the value of NRCPUS is 64. When HW platform has more then 64 cpus, system will crash on these platforms. MAXCOREPIC is the maximum cpu number in MA...