diff --git a/src/arch/alpha/linux/process.cc b/src/arch/alpha/linux/process.cc
index de89410ace..d342c5d2d0 100644
--- a/src/arch/alpha/linux/process.cc
+++ b/src/arch/alpha/linux/process.cc
@@ -85,7 +85,7 @@ unameFunc(SyscallDesc *desc, int callnum, ThreadContext *tc)
 
     strcpy(name->sysname, "Linux");
     strcpy(name->nodename, "sim.gem5.org");
-    strcpy(name->release, "3.0.0");
+    strcpy(name->release, process->release.c_str());
     strcpy(name->version, "#1 Mon Aug 18 11:32:15 EDT 2003");
     strcpy(name->machine, "alpha");
 
diff --git a/src/arch/arm/linux/process.cc b/src/arch/arm/linux/process.cc
index 25bccb6b67..3fcb01fe77 100644
--- a/src/arch/arm/linux/process.cc
+++ b/src/arch/arm/linux/process.cc
@@ -113,7 +113,7 @@ unameFunc32(SyscallDesc *desc, int callnum, ThreadContext *tc)
 
     strcpy(name->sysname, "Linux");
     strcpy(name->nodename, "m5.eecs.umich.edu");
-    strcpy(name->release, "3.7.0+");
+    strcpy(name->release, process->release.c_str());
     strcpy(name->version, "#1 SMP Sat Dec  1 00:00:00 GMT 2012");
     strcpy(name->machine, "armv7l");
 
@@ -131,7 +131,7 @@ unameFunc64(SyscallDesc *desc, int callnum, ThreadContext *tc)
 
     strcpy(name->sysname, "Linux");
     strcpy(name->nodename, "gem5");
-    strcpy(name->release, "4.10.8+");
+    strcpy(name->release, process->release.c_str());
     strcpy(name->version, "#1 SMP Sat Dec  1 00:00:00 GMT 2012");
     strcpy(name->machine, "armv8l");
 
diff --git a/src/arch/mips/linux/process.cc b/src/arch/mips/linux/process.cc
index 8a4811a045..9efaf26247 100644
--- a/src/arch/mips/linux/process.cc
+++ b/src/arch/mips/linux/process.cc
@@ -88,7 +88,7 @@ unameFunc(SyscallDesc *desc, int callnum, ThreadContext *tc)
 
     strcpy(name->sysname, "Linux");
     strcpy(name->nodename,"sim.gem5.org");
-    strcpy(name->release, "3.0.0");
+    strcpy(name->release, process->release.c_str());
     strcpy(name->version, "#1 Mon Aug 18 11:32:15 EDT 2003");
     strcpy(name->machine, "mips");
 
diff --git a/src/arch/power/linux/process.cc b/src/arch/power/linux/process.cc
index 58e7eb5070..8a5cd137c9 100644
--- a/src/arch/power/linux/process.cc
+++ b/src/arch/power/linux/process.cc
@@ -88,7 +88,7 @@ unameFunc(SyscallDesc *desc, int callnum, ThreadContext *tc)
 
     strcpy(name->sysname, "Linux");
     strcpy(name->nodename, "sim.gem5.org");
-    strcpy(name->release, "3.0.0");
+    strcpy(name->release, process->release.c_str());
     strcpy(name->version, "#1 Mon Aug 18 11:32:15 EDT 2003");
     strcpy(name->machine, "power");
 
diff --git a/src/arch/riscv/linux/process.cc b/src/arch/riscv/linux/process.cc
index f3f328e48d..8aebd558e4 100644
--- a/src/arch/riscv/linux/process.cc
+++ b/src/arch/riscv/linux/process.cc
@@ -96,7 +96,7 @@ unameFunc64(SyscallDesc *desc, int callnum, ThreadContext *tc)
 
     strcpy(name->sysname, "Linux");
     strcpy(name->nodename,"sim.gem5.org");
-    strcpy(name->release, "3.0.0");
+    strcpy(name->release, process->release.c_str());
     strcpy(name->version, "#1 Mon Aug 18 11:32:15 EDT 2003");
     strcpy(name->machine, "riscv64");
 
@@ -114,7 +114,7 @@ unameFunc32(SyscallDesc *desc, int callnum, ThreadContext *tc)
 
     strcpy(name->sysname, "Linux");
     strcpy(name->nodename,"sim.gem5.org");
-    strcpy(name->release, "3.0.0");
+    strcpy(name->release, process->release.c_str());
     strcpy(name->version, "#1 Mon Aug 18 11:32:15 EDT 2003");
     strcpy(name->machine, "riscv32");
 
diff --git a/src/arch/sparc/linux/syscalls.cc b/src/arch/sparc/linux/syscalls.cc
index 9cf08b7b3f..70d1b2af60 100644
--- a/src/arch/sparc/linux/syscalls.cc
+++ b/src/arch/sparc/linux/syscalls.cc
@@ -47,7 +47,7 @@ unameFunc(SyscallDesc *desc, int callnum, ThreadContext *tc)
 
     strcpy(name->sysname, "Linux");
     strcpy(name->nodename, "sim.gem5.org");
-    strcpy(name->release, "3.0.0-sparc64");
+    strcpy(name->release, process->release.c_str());
     strcpy(name->version, "#1 Mon Aug 18 11:32:15 EDT 2003");
     strcpy(name->machine, "sparc");
 
diff --git a/src/arch/sparc/solaris/process.cc b/src/arch/sparc/solaris/process.cc
index 0b67f53d39..3a13229ed3 100644
--- a/src/arch/sparc/solaris/process.cc
+++ b/src/arch/sparc/solaris/process.cc
@@ -80,7 +80,7 @@ unameFunc(SyscallDesc *desc, int callnum, ThreadContext *tc)
 
     strcpy(name->sysname, "SunOS");
     strcpy(name->nodename, "m5.eecs.umich.edu");
-    strcpy(name->release, "5.9"); //?? do we want this or something newer?
+    strcpy(name->release, process->release.c_str());
     strcpy(name->version, "Generic_118558-21");
     strcpy(name->machine, "sun4u");
 
diff --git a/src/arch/x86/linux/process.cc b/src/arch/x86/linux/process.cc
index 98a68b4098..d38b168fde 100644
--- a/src/arch/x86/linux/process.cc
+++ b/src/arch/x86/linux/process.cc
@@ -99,7 +99,7 @@ unameFunc(SyscallDesc *desc, int callnum, ThreadContext *tc)
 
     strcpy(name->sysname, "Linux");
     strcpy(name->nodename, "sim.gem5.org");
-    strcpy(name->release, "3.2.0");
+    strcpy(name->release, process->release.c_str());
     strcpy(name->version, "#1 Mon Aug 18 11:32:15 EDT 2003");
     strcpy(name->machine, "x86_64");
 
diff --git a/src/sim/Process.py b/src/sim/Process.py
index 73a0145fd3..6714ee5603 100644
--- a/src/sim/Process.py
+++ b/src/sim/Process.py
@@ -62,6 +62,7 @@ class Process(SimObject):
     cwd = Param.String(getcwd(), "current working directory")
     simpoint = Param.UInt64(0, 'simulation point at which to start simulation')
     drivers = VectorParam.EmulatedDriver([], 'Available emulated drivers')
+    release = Param.String('5.1.0', "Linux kernel uname release")
 
     @classmethod
     def export_methods(cls, code):
diff --git a/src/sim/process.cc b/src/sim/process.cc
index 90d0e5d55b..f647467b8b 100644
--- a/src/sim/process.cc
+++ b/src/sim/process.cc
@@ -97,6 +97,7 @@ Process::Process(ProcessParams *params, EmulationPageTable *pTable,
       executable(params->executable),
       tgtCwd(normalize(params->cwd)),
       hostCwd(checkPathRedirect(tgtCwd)),
+      release(params->release),
       _uid(params->uid), _euid(params->euid),
       _gid(params->gid), _egid(params->egid),
       _pid(params->pid), _ppid(params->ppid),
diff --git a/src/sim/process.hh b/src/sim/process.hh
index 27c5696024..23ed6d661c 100644
--- a/src/sim/process.hh
+++ b/src/sim/process.hh
@@ -224,6 +224,9 @@ class Process : public SimObject
     std::string tgtCwd;
     std::string hostCwd;
 
+    // Syscall emulation uname release.
+    std::string release;
+
     // Id of the owner of the process
     uint64_t _uid;
     uint64_t _euid;