diff --git a/Fix-compilation-failure-caused-by-tar-upgrade.patch b/Fix-compilation-failure-caused-by-tar-upgrade.patch
deleted file mode 100644
index 4959ea30b2b0f914ad41c80239c98c7d040456d8..0000000000000000000000000000000000000000
--- a/Fix-compilation-failure-caused-by-tar-upgrade.patch
+++ /dev/null
@@ -1,12 +0,0 @@
-diff -Nur a/Makefile b/Makefile
---- a/Makefile	2022-08-10 02:27:01.000000000 +0800
-+++ b/Makefile	2023-08-21 10:23:19.374614142 +0800
-@@ -21,7 +21,7 @@
- MICDIRINTEL     = $(MICDIR)/intel-ucode
- 
- all:
--	tar xf $(MICROCODE_INTEL) --strip 1 */intel-ucode/* */intel-ucode-with-caveats/* \
-+	tar xf $(MICROCODE_INTEL) --wildcards --strip 1 */intel-ucode/* */intel-ucode-with-caveats/* \
- 		--one-top-level=intel-ucode --strip-components=2 --backup=simple
- 
- clean:
diff --git a/microcode_ctl-2.1-41.tar.xz b/microcode_ctl-2.1-42.tar.xz
similarity index 52%
rename from microcode_ctl-2.1-41.tar.xz
rename to microcode_ctl-2.1-42.tar.xz
index 9102b0208eec353266f841efd1e41e1c915d1e87..72ed5822d3e03248023782f57e59ea9f8476c6fc 100644
Binary files a/microcode_ctl-2.1-41.tar.xz and b/microcode_ctl-2.1-42.tar.xz differ
diff --git a/microcode_ctl.spec b/microcode_ctl.spec
index 0c6904fec815d0596642bef8a16fc5c559576bc7..f8cbeee3d9a899b0d2e4e51386109793c2c5e374 100644
--- a/microcode_ctl.spec
+++ b/microcode_ctl.spec
@@ -1,15 +1,14 @@
 %global debug_package %{nil}
-%define upstream_version 2.1-41
+%define upstream_version 2.1-42
 
 Name:           microcode_ctl
 Summary:        Microcode update for CPU
 Version:        2.1
-Release:        41
+Release:        42
 License:        GPLv2+ and Redistributable, no modification permitted
 URL:            https://pagure.io/microcode_ctl
 ExclusiveArch:  %{ix86} x86_64 loongarch64
 Source0:        https://releases.pagure.org/microcode_ctl/%{name}-%{upstream_version}.tar.xz
-Patch0:         Fix-compilation-failure-caused-by-tar-upgrade.patch 
 
 %description
 This is a tool to transform and deploy microcode update for x86 CPUs.
@@ -28,6 +27,10 @@ make DESTDIR=%{buildroot} PREFIX=%{_prefix} INSDIR=/usr/sbin install clean
 %doc /usr/share/doc/microcode_ctl/*
 
 %changelog
+* Wed Nov 15 2023 lwg K <weigangli99@gmail.com> - 2.1-42
+- update to upstream 2.1-42. 20231114
+- fix CVE-2023-23583
+
 * Wed Aug 23 2023 yaoxin <yao_xin001@hoperun.com> - 2.1-41
 - Update to 2.1-41 for fix CVE-2022-40982,CVE-2022-38090 and CVE-2022-33196