diff --git a/pkgs/os-specific/linux/ch9344/default.nix b/pkgs/os-specific/linux/ch9344/default.nix
index 42c26503ea15..094460b115e7 100644
--- a/pkgs/os-specific/linux/ch9344/default.nix
+++ b/pkgs/os-specific/linux/ch9344/default.nix
@@ -1,17 +1,18 @@
-{ stdenv, lib, fetchzip, kernel }:
+{ stdenv, lib, fetchFromGitHub, kernel }:
 
 stdenv.mkDerivation rec {
   pname = "ch9344";
-  version = "2.0";
+  version = "0-unstable-2024-11-15";
 
-  src = fetchzip {
-    name = "CH9344SER_LINUX.zip";
-    url = "https://www.wch.cn/downloads/file/386.html#CH9344SER_LINUX.zip";
-    hash = "sha256-YKNMYpap7CjhgTIpd/M9+nB11NtpwGYT/P14J6q3XZg=";
+  src = fetchFromGitHub {
+    owner = "WCHSoftGroup";
+    repo = "ch9344ser_linux";
+    rev = "4ea8973886989d67acdd01dba213e355eacc9088";
+    hash = "sha256-ZZ/8s26o7wRwHy6c0m1vZ/DtRW5od+NgiU6aXZBVfc4=";
   };
 
   patches = [
-    ./fix-incompatible-pointer-types.patch
+    ./fix-linux-6-12-build.patch
   ];
 
   sourceRoot = "${src.name}/driver";
@@ -34,13 +35,12 @@ stdenv.mkDerivation rec {
 
   meta = with lib; {
     homepage = "https://www.wch-ic.com/";
-    downloadPage = "https://www.wch.cn/downloads/CH9344SER_LINUX_ZIP.html";
+    downloadPage = "https://github.com/WCHSoftGroup/ch9344ser_linux";
     description = "WCH CH9344/CH348 UART driver";
     longDescription = ''
       A kernel module for WinChipHead CH9344/CH348 USB To Multi Serial Ports controller.
     '';
-    # Archive contains no license.
-    license = licenses.unfree;
+    license = licenses.gpl2Only;
     platforms = platforms.linux;
     maintainers = with maintainers; [ MakiseKurisu ];
   };
diff --git a/pkgs/os-specific/linux/ch9344/fix-incompatible-pointer-types.patch b/pkgs/os-specific/linux/ch9344/fix-incompatible-pointer-types.patch
deleted file mode 100644
index 89c95347ed65..000000000000
--- a/pkgs/os-specific/linux/ch9344/fix-incompatible-pointer-types.patch
+++ /dev/null
@@ -1,16 +0,0 @@
-diff --git a/ch9344.c b/ch9344.c
-index bfa10bb..76a94a7 100644
---- a/ch9344.c
-+++ b/ch9344.c
-@@ -837,7 +837,11 @@ static void ch9344_tty_close(struct tty_struct *tty, struct file *filp)
- 	}
- }
- 
-+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(6, 6, 0))
-+static ssize_t ch9344_tty_write(struct tty_struct *tty, const u8 *buf, size_t count)
-+#else
- static int ch9344_tty_write(struct tty_struct *tty, const unsigned char *buf, int count)
-+#endif
- {
- 	struct ch9344 *ch9344 = tty->driver_data;
- 	int stat;
diff --git a/pkgs/os-specific/linux/ch9344/fix-linux-6-12-build.patch b/pkgs/os-specific/linux/ch9344/fix-linux-6-12-build.patch
new file mode 100644
index 000000000000..a9ae61d51aa7
--- /dev/null
+++ b/pkgs/os-specific/linux/ch9344/fix-linux-6-12-build.patch
@@ -0,0 +1,16 @@
+diff --git a/ch9344.c b/ch9344.c
+index 8130334..b017faa 100644
+--- a/ch9344.c
++++ b/ch9344.c
+@@ -62,7 +62,11 @@
+ #include <linux/timer.h>
+ #include <linux/kfifo.h>
+ #include <asm/byteorder.h>
++#if (LINUX_VERSION_CODE >= KERNEL_VERSION(6, 12, 0))
++#include <linux/unaligned.h>
++#else
+ #include <asm/unaligned.h>
++#endif
+ 
+ #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 11, 0))
+ #include <linux/sched/signal.h>