diff --git a/libcec-6.0.2-libudev-256.patch b/libcec-6.0.2-libudev-256.patch
new file mode 100644
index 0000000..47de361
--- /dev/null
+++ b/libcec-6.0.2-libudev-256.patch
@@ -0,0 +1,30 @@
+From 898177b5ccf81a91bb3d73196b544c132a16a496 Mon Sep 17 00:00:00 2001
+From: Rudi Heitbaum <rudi@heitbaum.com>
+Date: Wed, 12 Jun 2024 12:03:50 +0000
+Subject: [PATCH] fix assert issue with systemd udev
+
+---
+ src/libcec/adapter/Pulse-Eight/USBCECAdapterDetection.cpp | 7 ++++++-
+ 1 file changed, 6 insertions(+), 1 deletion(-)
+
+diff --git a/src/libcec/adapter/Pulse-Eight/USBCECAdapterDetection.cpp b/src/libcec/adapter/Pulse-Eight/USBCECAdapterDetection.cpp
+index 3cb49dd..27c8269 100644
+--- a/src/libcec/adapter/Pulse-Eight/USBCECAdapterDetection.cpp
++++ b/src/libcec/adapter/Pulse-Eight/USBCECAdapterDetection.cpp
+@@ -370,7 +370,12 @@ uint8_t CUSBCECAdapterDetection::FindAdaptersUdev(cec_adapter_descriptor *device
+     if (!dev)
+       continue;
+ 
+-    pdev = udev_device_get_parent(udev_device_get_parent(dev));
++    // do not call udev_device_get_parent(udev_device_get_parent(dev))
++    // directly as a null reurn on the parent will cause an assert in
++    // udev_device_get_parent
++    pdev = udev_device_get_parent(dev);
++    if (pdev)
++      pdev = udev_device_get_parent(pdev);
+     if (!pdev || !udev_device_get_sysattr_value(pdev, "idVendor") || !udev_device_get_sysattr_value(pdev, "idProduct"))
+     {
+       udev_device_unref(dev);
+-- 
+2.43.0
+
diff --git a/libcec.spec b/libcec.spec
index 539cb70..1bda1b4 100644
--- a/libcec.spec
+++ b/libcec.spec
@@ -1,7 +1,7 @@
 Name:          libcec
 Epoch:         1
 Version:       6.0.2
-Release:       4mamba
+Release:       5mamba
 Summary:       USB CEC Adaptor communication Library
 Group:         System/Kernel and Hardware
 Vendor:        openmamba
@@ -10,6 +10,7 @@ Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
 URL:           https://libcec.pulse-eight.com/
 Source:        https://github.com/Pulse-Eight/libcec/archive/libcec-%{version}.tar.gz
 Patch1:        libcec-6.0.2-pythonlib.patch
+Patch2:        libcec-6.0.2-libudev-256.patch
 License:       GPL
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
@@ -64,11 +65,13 @@ This package contains libraries and header files for developing applications tha
 %setup -q -n libcec-libcec-%{version}
 #-D -T
 #:<< _EOF
-%patch1 -p1
+%patch 1 -p1
+%patch 2 -p1 -b .libudev-256
 
 %build
 #:<< _EOF
 %cmake -d build \
+   -DHAVE_LINUX_API=1 \
    -DPYTHON_INCLUDE_DIR=%{python3_inc} \
    -DPYTHON_LIBRARY=%{_libdir}/libpython%{python3_version}.so \
 %ifarch arm aarch64
@@ -118,6 +121,9 @@ This package contains libraries and header files for developing applications tha
 %{python3_sitearch}/cec/cec.py
 
 %changelog
+* Wed Dec 25 2024 Silvan Calarco <silvan.calarco@mambasoft.it> 6.0.2-5mamba
+- add patch to fix crash in libudev >= 256 ( https://github.com/LibreELEC/LibreELEC.tv/pull/8982 )
+
 * Sun Nov 10 2024 Silvan Calarco <silvan.calarco@mambasoft.it> 6.0.2-4mamba
 - updated URL; close #1