diff --git a/agents/patchmon-agent-linux-386 b/agents/patchmon-agent-linux-386
index 2a43b01..4f8457f 100755
Binary files a/agents/patchmon-agent-linux-386 and b/agents/patchmon-agent-linux-386 differ
diff --git a/agents/patchmon-agent-linux-amd64 b/agents/patchmon-agent-linux-amd64
index dc2e6a5..17a1878 100755
Binary files a/agents/patchmon-agent-linux-amd64 and b/agents/patchmon-agent-linux-amd64 differ
diff --git a/agents/patchmon-agent-linux-arm b/agents/patchmon-agent-linux-arm
index d444f4f..d064a56 100755
Binary files a/agents/patchmon-agent-linux-arm and b/agents/patchmon-agent-linux-arm differ
diff --git a/agents/patchmon-agent-linux-arm64 b/agents/patchmon-agent-linux-arm64
index 29ec7b0..fb76bc7 100755
Binary files a/agents/patchmon-agent-linux-arm64 and b/agents/patchmon-agent-linux-arm64 differ
diff --git a/backend/package.json b/backend/package.json
index 5eceb7d..8fb44b2 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "patchmon-backend",
-	"version": "1.3.5",
+	"version": "1.3.6",
 	"description": "Backend API for Linux Patch Monitoring System",
 	"license": "AGPL-3.0",
 	"main": "src/server.js",
diff --git a/backend/prisma/schema.prisma b/backend/prisma/schema.prisma
index 7c6582f..18c13df 100644
--- a/backend/prisma/schema.prisma
+++ b/backend/prisma/schema.prisma
@@ -103,6 +103,7 @@ model hosts {
   gateway_ip              String?
   hostname                String?
   kernel_version          String?
+  installed_kernel_version String?
   load_average             Json?
   network_interfaces      Json?
   ram_installed           Int?
diff --git a/backend/src/routes/hostRoutes.js b/backend/src/routes/hostRoutes.js
index d2e5864..0cbbf54 100644
--- a/backend/src/routes/hostRoutes.js
+++ b/backend/src/routes/hostRoutes.js
@@ -506,6 +506,10 @@ router.post(
 			.optional()
 			.isString()
 			.withMessage("Kernel version must be a string"),
+		body("installedKernelVersion")
+			.optional()
+			.isString()
+			.withMessage("Installed kernel version must be a string"),
 		body("selinuxStatus")
 			.optional()
 			.isIn(["enabled", "disabled", "permissive"])
@@ -587,6 +591,8 @@ router.post(
 			// System Information
 			if (req.body.kernelVersion)
 				updateData.kernel_version = req.body.kernelVersion;
+			if (req.body.installedKernelVersion)
+				updateData.installed_kernel_version = req.body.installedKernelVersion;
 			if (req.body.selinuxStatus)
 				updateData.selinux_status = req.body.selinuxStatus;
 			if (req.body.systemUptime)
diff --git a/frontend/env.example b/frontend/env.example
index 7cbdf21..b016684 100644
--- a/frontend/env.example
+++ b/frontend/env.example
@@ -6,5 +6,5 @@ VITE_API_URL=http://localhost:3001/api/v1
 
 # Application Metadata
 VITE_APP_NAME=PatchMon
-VITE_APP_VERSION=1.3.5
+VITE_APP_VERSION=1.3.6
 
diff --git a/frontend/package.json b/frontend/package.json
index ffb1c09..6deaaac 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -1,7 +1,7 @@
 {
 	"name": "patchmon-frontend",
 	"private": true,
-	"version": "1.3.5",
+	"version": "1.3.6",
 	"license": "AGPL-3.0",
 	"type": "module",
 	"scripts": {
diff --git a/frontend/src/pages/HostDetail.jsx b/frontend/src/pages/HostDetail.jsx
index f68a1c4..64bbfd2 100644
--- a/frontend/src/pages/HostDetail.jsx
+++ b/frontend/src/pages/HostDetail.jsx
@@ -1013,29 +1013,25 @@ const HostDetail = () => {
 												</div>
 											)}
 
-											{(host.kernel_version ||
-												host.installed_kernel_version) && (
-												<div className="flex flex-col gap-2">
-													{host.kernel_version && (
-														<div>
-															<p className="text-xs text-secondary-500 dark:text-secondary-300 mb-1">
-																Running Kernel
-															</p>
-															<p className="font-medium text-secondary-900 dark:text-white font-mono text-sm break-all">
-																{host.kernel_version}
-															</p>
-														</div>
-													)}
-													{host.installed_kernel_version && (
-														<div>
-															<p className="text-xs text-secondary-500 dark:text-secondary-300 mb-1">
-																Installed Kernel
-															</p>
-															<p className="font-medium text-secondary-900 dark:text-white font-mono text-sm break-all">
-																{host.installed_kernel_version}
-															</p>
-														</div>
-													)}
+											{host.kernel_version && (
+												<div>
+													<p className="text-xs text-secondary-500 dark:text-secondary-300">
+														Running Kernel
+													</p>
+													<p className="font-medium text-secondary-900 dark:text-white font-mono text-sm break-all">
+														{host.kernel_version}
+													</p>
+												</div>
+											)}
+
+											{host.installed_kernel_version && (
+												<div>
+													<p className="text-xs text-secondary-500 dark:text-secondary-300">
+														Installed Kernel
+													</p>
+													<p className="font-medium text-secondary-900 dark:text-white font-mono text-sm break-all">
+														{host.installed_kernel_version}
+													</p>
 												</div>
 											)}
 
diff --git a/frontend/src/pages/Hosts.jsx b/frontend/src/pages/Hosts.jsx
index 74986a3..54f8fd4 100644
--- a/frontend/src/pages/Hosts.jsx
+++ b/frontend/src/pages/Hosts.jsx
@@ -649,11 +649,27 @@ const Hosts = () => {
 		);
 	};
 
-	const handleSelectAll = () => {
-		if (selectedHosts.length === hosts.length) {
-			setSelectedHosts([]);
+	const handleSelectAll = (hostsToSelect) => {
+		const hostIdsToSelect = hostsToSelect.map((host) => host.id);
+		const allSelected = hostIdsToSelect.every((id) =>
+			selectedHosts.includes(id),
+		);
+		if (allSelected) {
+			// Deselect all hosts in this group
+			setSelectedHosts((prev) =>
+				prev.filter((id) => !hostIdsToSelect.includes(id)),
+			);
 		} else {
-			setSelectedHosts(hosts.map((host) => host.id));
+			// Select all hosts in this group (merge with existing selections)
+			setSelectedHosts((prev) => {
+				const newSelection = [...prev];
+				hostIdsToSelect.forEach((id) => {
+					if (!newSelection.includes(id)) {
+						newSelection.push(id);
+					}
+				});
+				return newSelection;
+			});
 		}
 	};
 
@@ -1655,11 +1671,14 @@ const Hosts = () => {
 																		{column.id === "select" ? (
 																			<button
 																				type="button"
-																				onClick={handleSelectAll}
+																				onClick={() =>
+																					handleSelectAll(groupHosts)
+																				}
 																				className="flex items-center gap-2 hover:text-secondary-700"
 																			>
-																				{selectedHosts.length ===
-																				groupHosts.length ? (
+																				{groupHosts.every((host) =>
+																					selectedHosts.includes(host.id),
+																				) ? (
 																					<CheckSquare className="h-4 w-4" />
 																				) : (
 																					<Square className="h-4 w-4" />
diff --git a/package.json b/package.json
index 3e941c9..27ef3b5 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "patchmon",
-	"version": "1.3.5",
+	"version": "1.3.6",
 	"description": "Linux Patch Monitoring System",
 	"license": "AGPL-3.0",
 	"private": true,