diff --git a/sdk_container/src/third_party/portage-stable/changelog/security/2022-09-14-intel-microcode.md b/sdk_container/src/third_party/portage-stable/changelog/security/2022-09-14-intel-microcode.md
new file mode 100644
index 0000000000..8842fd8013
--- /dev/null
+++ b/sdk_container/src/third_party/portage-stable/changelog/security/2022-09-14-intel-microcode.md
@@ -0,0 +1 @@
+- intel-microcode ([CVE-2022-21233](https://nvd.nist.gov/vuln/detail/CVE-2022-21233))
diff --git a/sdk_container/src/third_party/portage-stable/changelog/updates/2022-09-14-intel-microcode.md b/sdk_container/src/third_party/portage-stable/changelog/updates/2022-09-14-intel-microcode.md
new file mode 100644
index 0000000000..952de46a74
--- /dev/null
+++ b/sdk_container/src/third_party/portage-stable/changelog/updates/2022-09-14-intel-microcode.md
@@ -0,0 +1 @@
+- intel-microcode ([20220809_p20220809](https://github.com/intel/Intel-Linux-Processor-Microcode-Data-Files/releases/tag/microcode-20220809))