diff --git a/drivers/md/dm-verity-target.c b/drivers/md/dm-verity-target.c
index bb5da66da4c1..fbb83c6fd99c 100644
--- a/drivers/md/dm-verity-target.c
+++ b/drivers/md/dm-verity-target.c
@@ -22,6 +22,8 @@
 #include <linux/scatterlist.h>
 #include <linux/string.h>
 #include <linux/jump_label.h>
+#include <linux/security.h>
+#include <linux/dm-verity.h>
 
 #define DM_MSG_PREFIX			"verity"
 
@@ -1017,6 +1019,38 @@ static void verity_io_hints(struct dm_target *ti, struct queue_limits *limits)
 	blk_limits_io_min(limits, limits->logical_block_size);
 }
 
+#ifdef CONFIG_SECURITY
+
+static int verity_init_sig(struct dm_verity *v, const void *sig,
+			   size_t sig_size)
+{
+	v->sig_size = sig_size;
+	v->root_digest_sig = kmemdup(sig, v->sig_size, GFP_KERNEL);
+	if (!v->root_digest)
+		return -ENOMEM;
+
+	return 0;
+}
+
+static void verity_free_sig(struct dm_verity *v)
+{
+	kfree(v->root_digest_sig);
+}
+
+#else
+
+static inline int verity_init_sig(struct dm_verity *v, const void *sig,
+				  size_t sig_size)
+{
+	return 0;
+}
+
+static inline void verity_free_sig(struct dm_verity *v)
+{
+}
+
+#endif /* CONFIG_SECURITY */
+
 static void verity_dtr(struct dm_target *ti)
 {
 	struct dm_verity *v = ti->private;
@@ -1035,6 +1069,7 @@ static void verity_dtr(struct dm_target *ti)
 	kfree(v->salt);
 	kfree(v->root_digest);
 	kfree(v->zero_digest);
+	verity_free_sig(v);
 
 	if (v->tfm)
 		crypto_free_ahash(v->tfm);
@@ -1434,6 +1469,13 @@ static int verity_ctr(struct dm_target *ti, unsigned int argc, char **argv)
 		ti->error = "Root hash verification failed";
 		goto bad;
 	}
+
+	r = verity_init_sig(v, verify_args.sig, verify_args.sig_size);
+	if (r < 0) {
+		ti->error = "Cannot allocate root digest signature";
+		goto bad;
+	}
+
 	v->hash_per_block_bits =
 		__fls((1 << v->hash_dev_block_bits) / v->digest_size);
 
@@ -1584,6 +1626,44 @@ int dm_verity_get_root_digest(struct dm_target *ti, u8 **root_digest, unsigned i
 	return 0;
 }
 
+#ifdef CONFIG_SECURITY
+
+static int verity_finalize(struct dm_target *ti)
+{
+	struct block_device *bdev;
+	struct dm_verity_digest root_digest;
+	struct dm_verity *v;
+	int r;
+
+	v = ti->private;
+	bdev = dm_disk(dm_table_get_md(ti->table))->part0;
+	root_digest.digest = v->root_digest;
+	root_digest.digest_len = v->digest_size;
+	root_digest.alg = v->alg_name;
+
+	r = security_bdev_setintegrity(bdev, LSM_INT_DMVERITY_ROOTHASH, &root_digest,
+				       sizeof(root_digest));
+	if (r)
+		return r;
+
+	r = security_bdev_setintegrity(bdev,
+				       LSM_INT_DMVERITY_SIG_VALID,
+				       v->root_digest_sig,
+				       v->sig_size);
+	if (r)
+		goto bad;
+
+	return 0;
+
+bad:
+
+	security_bdev_setintegrity(bdev, LSM_INT_DMVERITY_ROOTHASH, NULL, 0);
+
+	return r;
+}
+
+#endif /* CONFIG_SECURITY */
+
 static struct target_type verity_target = {
 	.name		= "verity",
 	.features	= DM_TARGET_SINGLETON | DM_TARGET_IMMUTABLE,
@@ -1596,6 +1676,9 @@ static struct target_type verity_target = {
 	.prepare_ioctl	= verity_prepare_ioctl,
 	.iterate_devices = verity_iterate_devices,
 	.io_hints	= verity_io_hints,
+#ifdef CONFIG_SECURITY
+	.finalize	= verity_finalize,
+#endif /* CONFIG_SECURITY */
 };
 module_dm(verity);
 
diff --git a/drivers/md/dm-verity.h b/drivers/md/dm-verity.h
index 20b1bcf03474..89e862f0cdf6 100644
--- a/drivers/md/dm-verity.h
+++ b/drivers/md/dm-verity.h
@@ -43,6 +43,9 @@ struct dm_verity {
 	u8 *root_digest;	/* digest of the root block */
 	u8 *salt;		/* salt: its size is salt_size */
 	u8 *zero_digest;	/* digest for a zero block */
+#ifdef CONFIG_SECURITY
+	u8 *root_digest_sig;	/* digest signature of the root block */
+#endif /* CONFIG_SECURITY */
 	unsigned int salt_size;
 	sector_t data_start;	/* data offset in 512-byte sectors */
 	sector_t hash_start;	/* hash start in blocks */
@@ -56,6 +59,9 @@ struct dm_verity {
 	bool hash_failed:1;	/* set if hash of any block failed */
 	bool use_bh_wq:1;	/* try to verify in BH wq before normal work-queue */
 	unsigned int digest_size;	/* digest size for the current hash algorithm */
+#ifdef CONFIG_SECURITY
+	unsigned int sig_size;	/* digest signature size */
+#endif /* CONFIG_SECURITY */
 	unsigned int ahash_reqsize;/* the size of temporary space for crypto */
 	enum verity_mode mode;	/* mode for handling verification errors */
 	unsigned int corrupted_errs;/* Number of errors for corrupted blocks */
diff --git a/include/linux/dm-verity.h b/include/linux/dm-verity.h
new file mode 100644
index 000000000000..a799a8043d85
--- /dev/null
+++ b/include/linux/dm-verity.h
@@ -0,0 +1,12 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+#ifndef _LINUX_DM_VERITY_H
+#define _LINUX_DM_VERITY_H
+
+struct dm_verity_digest {
+	const char *alg;
+	const u8 *digest;
+	size_t digest_len;
+};
+
+#endif /* _LINUX_DM_VERITY_H */
diff --git a/include/linux/security.h b/include/linux/security.h
index ac0985641611..9e46b13a356c 100644
--- a/include/linux/security.h
+++ b/include/linux/security.h
@@ -84,7 +84,8 @@ enum lsm_event {
 };
 
 enum lsm_integrity_type {
-	__LSM_INT_MAX
+	LSM_INT_DMVERITY_SIG_VALID,
+	LSM_INT_DMVERITY_ROOTHASH,
 };
 
 /*
