diff --git a/include/linux/filter.h b/include/linux/filter.h
index 82b01357af8b0672c330c648f3b01f5aa65134d2..3cf5fd561d8649ce9647bce45a0e40dc28124a91 100644
--- a/include/linux/filter.h
+++ b/include/linux/filter.h
@@ -74,6 +74,8 @@ struct sock_fprog {	/* Required for SO_ATTACH_FILTER. */
 #define         BPF_LSH         0x60
 #define         BPF_RSH         0x70
 #define         BPF_NEG         0x80
+#define		BPF_MOD		0x90
+
 #define         BPF_JA          0x00
 #define         BPF_JEQ         0x10
 #define         BPF_JGT         0x20
@@ -196,6 +198,8 @@ enum {
 	BPF_S_ALU_MUL_K,
 	BPF_S_ALU_MUL_X,
 	BPF_S_ALU_DIV_X,
+	BPF_S_ALU_MOD_K,
+	BPF_S_ALU_MOD_X,
 	BPF_S_ALU_AND_K,
 	BPF_S_ALU_AND_X,
 	BPF_S_ALU_OR_K,
diff --git a/net/core/filter.c b/net/core/filter.c
index 907efd27ec77bcf5f3f214058dce27fc77e873bd..fbe3a8d12570b9604825043e9f68764af15b0aa0 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -167,6 +167,14 @@ unsigned int sk_run_filter(const struct sk_buff *skb,
 		case BPF_S_ALU_DIV_K:
 			A = reciprocal_divide(A, K);
 			continue;
+		case BPF_S_ALU_MOD_X:
+			if (X == 0)
+				return 0;
+			A %= X;
+			continue;
+		case BPF_S_ALU_MOD_K:
+			A %= K;
+			continue;
 		case BPF_S_ALU_AND_X:
 			A &= X;
 			continue;
@@ -469,6 +477,8 @@ int sk_chk_filter(struct sock_filter *filter, unsigned int flen)
 		[BPF_ALU|BPF_MUL|BPF_K]  = BPF_S_ALU_MUL_K,
 		[BPF_ALU|BPF_MUL|BPF_X]  = BPF_S_ALU_MUL_X,
 		[BPF_ALU|BPF_DIV|BPF_X]  = BPF_S_ALU_DIV_X,
+		[BPF_ALU|BPF_MOD|BPF_K]  = BPF_S_ALU_MOD_K,
+		[BPF_ALU|BPF_MOD|BPF_X]  = BPF_S_ALU_MOD_X,
 		[BPF_ALU|BPF_AND|BPF_K]  = BPF_S_ALU_AND_K,
 		[BPF_ALU|BPF_AND|BPF_X]  = BPF_S_ALU_AND_X,
 		[BPF_ALU|BPF_OR|BPF_K]   = BPF_S_ALU_OR_K,
@@ -531,6 +541,11 @@ int sk_chk_filter(struct sock_filter *filter, unsigned int flen)
 				return -EINVAL;
 			ftest->k = reciprocal_value(ftest->k);
 			break;
+		case BPF_S_ALU_MOD_K:
+			/* check for division by zero */
+			if (ftest->k == 0)
+				return -EINVAL;
+			break;
 		case BPF_S_LD_MEM:
 		case BPF_S_LDX_MEM:
 		case BPF_S_ST: