diff -u xorg-server-21.1.4/debian/changelog xorg-server-21.1.4/debian/changelog
--- xorg-server-21.1.4/debian/changelog
+++ xorg-server-21.1.4/debian/changelog
@@ -1,3 +1,10 @@
+xorg-server (2:21.1.4-2ubuntu1.6) kinetic; urgency=medium
+
+  * debian/patches/force-update-leds-after-enable-device.patch:
+    Force update keyboard LEDs after switching VT to X session (LP: #1993621).
+
+ -- Yao Wei (魏銘廷) <yao.wei@canonical.com>  Tue, 21 Feb 2023 06:34:27 +0000
+
 xorg-server (2:21.1.4-2ubuntu1.5) kinetic-security; urgency=medium
 
   * SECURITY UPDATE: DeepCopyPointerClasses use-after-free
diff -u xorg-server-21.1.4/debian/patches/series xorg-server-21.1.4/debian/patches/series
--- xorg-server-21.1.4/debian/patches/series
+++ xorg-server-21.1.4/debian/patches/series
@@ -36,3 +36,4 @@
 CVE-2022-46344-2.patch
 CVE-2022-4283.patch
 CVE-2023-0494.patch
+force-update-leds-after-enable-device.patch
only in patch2:
unchanged:
--- xorg-server-21.1.4.orig/debian/patches/force-update-leds-after-enable-device.patch
+++ xorg-server-21.1.4/debian/patches/force-update-leds-after-enable-device.patch
@@ -0,0 +1,89 @@
+Origin: https://gitlab.freedesktop.org/xorg/xserver/-/commit/7ce57e179b257f35e447971f4fb6614e3360762a
+Bug-Ubuntu: https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1993621
+Applied-Upstream: yes
+From: Yao Wei <mwei@lxde.org>
+Date: Tue, 21 Feb 2023 03:43:05 +0000
+Subject: [PATCH] dix: Force update LEDs after device state update in EnableDevice
+
+This is to make sure the hardware gets the device states regardless
+whether the internal state has changed or not, to overcome situations
+that device LEDs are out of sync e.g. switching between VTs.
+
+Signed-off-by: Yao Wei (魏銘廷) <yao.wei@canonical.com>
+---
+ dix/devices.c    |  4 ++++
+ include/xkbsrv.h |  2 ++
+ xkb/xkbLEDs.c    | 38 ++++++++++++++++++++++++++++++++++++++
+ 3 files changed, 44 insertions(+)
+
+--- a/dix/devices.c
++++ b/dix/devices.c
+@@ -422,6 +422,10 @@
+ 
+     if (!IsMaster(dev) && !IsFloating(dev))
+         XkbPushLockedStateToSlaves(GetMaster(dev, MASTER_KEYBOARD), 0, 0);
++
++    /* Now make sure our LEDs are in sync with the locked state */
++    XkbForceUpdateDeviceLEDs(dev);
++
+     RecalculateMasterButtons(dev);
+ 
+     /* initialise an idle timer for this device*/
+--- a/include/xkbsrv.h
++++ b/include/xkbsrv.h
+@@ -505,6 +505,8 @@
+                                           XkbEventCausePtr      /* cause */
+     );
+ 
++extern void XkbForceUpdateDeviceLEDs(DeviceIntPtr /* keybd */);
++
+ extern _X_EXPORT void XkbUpdateAllDeviceIndicators(XkbChangesPtr /* changes */,
+                                                    XkbEventCausePtr /* cause */
+     );
+--- a/xkb/xkbLEDs.c
++++ b/xkb/xkbLEDs.c
+@@ -435,6 +435,44 @@
+ 
+ /***====================================================================***/
+ 
++        /*
++         * void
++         * XkbForceUpdateDeviceLEDs(DeviceIntPtr dev)
++         *
++         * Force update LED states to the hardware from the device state
++         * specified by 'dev'.
++         *
++         * If 'dev' is a master device, this function will also force update
++         * its slave devices.
++         *
++         * Used if the actual LED state was externally set and need to push
++         * current state to the hardware e.g. switching between VTs.
++         */
++
++void
++XkbForceUpdateDeviceLEDs(DeviceIntPtr dev)
++{
++    DeviceIntPtr master;
++    XkbSrvLedInfoPtr sli;
++
++    if (!dev->key)
++        return;
++
++    sli = XkbFindSrvLedInfo(dev, XkbDfltXIClass, XkbDfltXIId, 0);
++    XkbDDXUpdateDeviceIndicators(dev, sli, sli->effectiveState);
++
++    if (IsMaster(dev)) {
++        master = dev;
++        nt_list_for_each_entry(dev, inputInfo.devices, next) {
++            if (!dev->key || GetMaster(dev, MASTER_KEYBOARD) != master)
++                continue;
++
++            sli = XkbFindSrvLedInfo(dev, XkbDfltXIClass, XkbDfltXIId, 0);
++            XkbDDXUpdateDeviceIndicators(dev, sli, sli->effectiveState);
++        }
++    }
++}
++
+ /***====================================================================***/
+ 
+         /*