diff --git a/kernel/include/kernel/Process.h b/kernel/include/kernel/Process.h
index 31e3e282d9..2144045289 100644
--- a/kernel/include/kernel/Process.h
+++ b/kernel/include/kernel/Process.h
@@ -112,6 +112,7 @@ namespace Kernel
 		BAN::ErrorOr<long> sys_symlinkat(const char* path1, int fd, const char* path2);
 
 		BAN::ErrorOr<long> sys_pread(int fd, void* buffer, size_t count, off_t offset);
+		BAN::ErrorOr<long> sys_pwrite(int fd, const void* buffer, size_t count, off_t offset);
 
 		BAN::ErrorOr<long> sys_fchmodat(int fd, const char* path, mode_t mode, int flag);
 		BAN::ErrorOr<long> sys_fchownat(int fd, const char* path, uid_t uid, gid_t gid, int flag);
diff --git a/kernel/kernel/Process.cpp b/kernel/kernel/Process.cpp
index fd2b735940..c6f4737e56 100644
--- a/kernel/kernel/Process.cpp
+++ b/kernel/kernel/Process.cpp
@@ -1192,17 +1192,23 @@ namespace Kernel
 
 	BAN::ErrorOr<long> Process::sys_pread(int fd, void* buffer, size_t count, off_t offset)
 	{
-		LockGuard _(m_process_lock);
-		if (count == 0)
-		{
-			TRY(m_open_file_descriptors.inode_of(fd));
-			return 0;
-		}
-		TRY(validate_pointer_access(buffer, count, true));
 		auto inode = TRY(m_open_file_descriptors.inode_of(fd));
-		return TRY(inode->read(offset, { (uint8_t*)buffer, count }));
+
+		auto* buffer_region = TRY(validate_and_pin_pointer_access(buffer, count, true));
+		BAN::ScopeGuard _([buffer_region]{ if (buffer_region) buffer_region->unpin(); });
+
+		return TRY(inode->read(offset, { reinterpret_cast<uint8_t*>(buffer), count }));
 	}
 
+	BAN::ErrorOr<long> Process::sys_pwrite(int fd, const void* buffer, size_t count, off_t offset)
+	{
+		auto inode = TRY(m_open_file_descriptors.inode_of(fd));
+
+		auto* buffer_region = TRY(validate_and_pin_pointer_access(buffer, count, false));
+		BAN::ScopeGuard _([buffer_region]{ if (buffer_region) buffer_region->unpin(); });
+
+		return TRY(inode->write(offset, { reinterpret_cast<const uint8_t*>(buffer), count }));	}
+
 	BAN::ErrorOr<long> Process::sys_fchmodat(int fd, const char* path, mode_t mode, int flag)
 	{
 		if (mode & S_IFMASK)
diff --git a/userspace/libraries/LibC/include/sys/syscall.h b/userspace/libraries/LibC/include/sys/syscall.h
index 21688f16e8..27fa9a8296 100644
--- a/userspace/libraries/LibC/include/sys/syscall.h
+++ b/userspace/libraries/LibC/include/sys/syscall.h
@@ -60,6 +60,7 @@ __BEGIN_DECLS
 	O(SYS_READLINKAT,		readlinkat)		\
 	O(SYS_MSYNC,			msync)			\
 	O(SYS_PREAD,			pread)			\
+	O(SYS_PWRITE,			pwrite)			\
 	O(SYS_FCHOWNAT,			fchownat)		\
 	O(SYS_LOAD_KEYMAP,		load_keymap)	\
 	O(SYS_SOCKET,			socket)			\
diff --git a/userspace/libraries/LibC/unistd.cpp b/userspace/libraries/LibC/unistd.cpp
index 22a02895c3..4b98113cc0 100644
--- a/userspace/libraries/LibC/unistd.cpp
+++ b/userspace/libraries/LibC/unistd.cpp
@@ -127,6 +127,11 @@ ssize_t pread(int fildes, void* buf, size_t nbyte, off_t offset)
 	return syscall(SYS_PREAD, fildes, buf, nbyte, offset);
 }
 
+ssize_t pwrite(int fildes, const void* buf, size_t nbyte, off_t offset)
+{
+	return syscall(SYS_PWRITE, fildes, buf, nbyte, offset);
+}
+
 off_t lseek(int fildes, off_t offset, int whence)
 {
 	return syscall(SYS_SEEK, fildes, offset, whence);