diff --git a/sys/compat/linux/linux_mib.h b/sys/compat/linux/linux_mib.h
index 719452ddb92c..615439b4d107 100644
--- a/sys/compat/linux/linux_mib.h
+++ b/sys/compat/linux/linux_mib.h
@@ -1,77 +1,77 @@
 /*-
  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
  *
  * Copyright (c) 1999 Marcel Moolenaar
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
  * $FreeBSD$
  */
 
 #ifndef _LINUX_MIB_H_
 #define _LINUX_MIB_H_
 
 #ifdef SYSCTL_DECL
 SYSCTL_DECL(_compat_linux);
 #endif
 
 void	linux_osd_jail_register(void);
 void	linux_osd_jail_deregister(void);
 
 void	linux_get_osname(struct thread *td, char *dst);
 
 void	linux_get_osrelease(struct thread *td, char *dst);
 
 int	linux_get_oss_version(struct thread *td);
 
 int	linux_kernver(struct thread *td);
 
-#define	LINUX_KVERSION		3
-#define	LINUX_KPATCHLEVEL	17
+#define	LINUX_KVERSION		4
+#define	LINUX_KPATCHLEVEL	4
 #define	LINUX_KSUBLEVEL		0
 
 #define	LINUX_KERNVER(a,b,c)	(((a) << 16) + ((b) << 8) + (c))
 #define	LINUX_VERSION_CODE	LINUX_KERNVER(LINUX_KVERSION,		\
 				    LINUX_KPATCHLEVEL, LINUX_KSUBLEVEL)
 #define	LINUX_KERNVERSTR(x)	#x
 #define	LINUX_XKERNVERSTR(x)	LINUX_KERNVERSTR(x)
 #define	LINUX_VERSION_STR	LINUX_XKERNVERSTR(LINUX_KVERSION.LINUX_KPATCHLEVEL.LINUX_KSUBLEVEL)
 
 #define	LINUX_KERNVER_2004000	LINUX_KERNVER(2,4,0)
 #define	LINUX_KERNVER_2006039	LINUX_KERNVER(2,6,39)
 #define	LINUX_KERNVER_5004000	LINUX_KERNVER(5,4,0)
 
 #define	linux_use54(t)		(linux_kernver(t) >= LINUX_KERNVER_5004000)
 
 extern int linux_debug;
 extern int linux_default_openfiles;
 extern int linux_default_stacksize;
 extern int linux_dummy_rlimits;
 extern int linux_ignore_ip_recverr;
 extern int linux_preserve_vstatus;
 extern bool linux_map_sched_prio;
 
 struct image_params;
 int linux_setid_allowed_query(struct thread *td, struct image_params *imgp);
 
 #endif /* _LINUX_MIB_H_ */