diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index dbfb335ffac4e01e3160cf346d833aa6e846167a..ca668efa4c81e2d47eafba930ab4a6fb62a4e5fe 100644
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -480,6 +480,8 @@ 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