the thing

module.c

@@ -0,0 +1,44 @@
+/* SPDX-License-Identifier: GPL-2.0
+ *
+ * Copyright (C) 2026 silt <silt@0xC3.win>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/printk.h>
+#include <linux/types.h>
+#include <linux/version.h>
+#include <linux/string.h>
+#include <asm/msr.h>
+
+MODULE_AUTHOR("silt <silt@0xC3.win>");
+MODULE_DESCRIPTION("Implements the mitigation for CVE-2025-54505 as described by AMD-SB-7053");
+MODULE_LICENSE("GPL");
+
+static int __init init(void) {
+	pr_info("Applying MSR fix for FP-DSS (CVE-2025-54505, AMD-SB-7053)\n");
+
+	int err = msr_set_bit(0xC0011028, 9);
+	if (err < 0) {
+		pr_warn("Failed to apply fix for FP-DSS: %d\n", err);
+	} else if (err == 0) {
+		pr_info("Fix was previously applied. Bailing from init.\n");
+	}
+	pr_info("Fix applied successfully. Bailing from init.\n");
+	
+	return -1;
+}
+module_init(init);