diff --git a/changelog/updates/2025-06-28-linux-5.15.186-update.md b/changelog/updates/2025-06-28-linux-5.15.186-update.md
new file mode 100644
index 00000000000..fca090c8575
--- /dev/null
+++ b/changelog/updates/2025-06-28-linux-5.15.186-update.md
@@ -0,0 +1 @@
+- Linux ([5.15.186](https://lwn.net/Articles/1027283/))
diff --git a/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-kernel/coreos-kernel-5.15.185.ebuild b/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-kernel/coreos-kernel-5.15.186.ebuild
similarity index 100%
rename from sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-kernel/coreos-kernel-5.15.185.ebuild
rename to sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-kernel/coreos-kernel-5.15.186.ebuild
diff --git a/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-modules/coreos-modules-5.15.185.ebuild b/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-modules/coreos-modules-5.15.186.ebuild
similarity index 100%
rename from sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-modules/coreos-modules-5.15.185.ebuild
rename to sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-modules/coreos-modules-5.15.186.ebuild
diff --git a/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-sources/Manifest b/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-sources/Manifest
index c43fb598d77..7614f7a240c 100644
--- a/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-sources/Manifest
+++ b/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-sources/Manifest
@@ -1,2 +1,2 @@
 DIST linux-5.15.tar.xz 121913744 BLAKE2B 3921274b23f7938abdf3ed9334534b4581e13d7484303d3a5280eddb038999aaa8b836666a487472d9c4a219af0f06b9fecccaf348fb5510ab8762f4ef4b7e83 SHA512 d25ad40b5bcd6a4c6042fd0fd84e196e7a58024734c3e9a484fd0d5d54a0c1d87db8a3c784eff55e43b6f021709dc685eb0efa18d2aec327e4f88a79f405705a
-DIST patch-5.15.185.xz 6856440 BLAKE2B 4e56b9da422294031cb65635681d10184f0840bac38a7f68d33a6cde3d04bcb463b1d63c6e50b72221db57f0659cce762f673d8eb1fc4b3c64fd27ee0cb8500c SHA512 faec04f2044c9cc796bfeffc552c34096eb08193664c58572f7b628fe5c5fbe8438117eca7bec690f335b037cc686bc8482ce054278e6d6dd1d0043470b8e70a
+DIST patch-5.15.186.xz 6915404 BLAKE2B 889614a7f12f423ceb961537ade85e339dfe8984fc19794ba80f7dfe1e3f26af62e58925291df700533c47d3e4e5018d5fe940ebbc429d1013ff4205751601c9 SHA512 5ca0df20992706d5a7a1425bcbc137aaef9abbb23bdf9d35375aeaa952b85fb6d262aaa858605c2dd5797f1e1c3af9cdff4fdb3c2acba9965efe7f98400189eb
diff --git a/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-sources/coreos-sources-5.15.185.ebuild b/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-sources/coreos-sources-5.15.186.ebuild
similarity index 100%
rename from sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-sources/coreos-sources-5.15.185.ebuild
rename to sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-sources/coreos-sources-5.15.186.ebuild