diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index 54330cfe0f7d8f1fb3f76f2a745967f973578b24..72669da277942e1b0c77def5d2f92b0966261c8a 100644
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -482,6 +482,8 @@ static __always_inline void setup_pku(struct cpuinfo_x86 *c)
 	}
 
 	cr4_set_bits(X86_CR4_PKE);
+	/* Load the default PKRU value */
+	pkru_write_default();
 }
 
 #ifdef CONFIG_X86_INTEL_MEMORY_PROTECTION_KEYS