diff --git a/changelog/updates/2026-03-26-linux-6.12.78-update.md b/changelog/updates/2026-03-26-linux-6.12.78-update.md
new file mode 100644
index 00000000000..bbe0ddb89c5
--- /dev/null
+++ b/changelog/updates/2026-03-26-linux-6.12.78-update.md
@@ -0,0 +1 @@
+- Linux ([6.12.78](https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/tag/?h=v6.12.78))
diff --git a/sdk_container/src/third_party/coreos-overlay/app-emulation/hv-daemons/hv-daemons-6.12.77.ebuild b/sdk_container/src/third_party/coreos-overlay/app-emulation/hv-daemons/hv-daemons-6.12.78.ebuild
similarity index 100%
rename from sdk_container/src/third_party/coreos-overlay/app-emulation/hv-daemons/hv-daemons-6.12.77.ebuild
rename to sdk_container/src/third_party/coreos-overlay/app-emulation/hv-daemons/hv-daemons-6.12.78.ebuild
diff --git a/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-kernel/coreos-kernel-6.12.77.ebuild b/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-kernel/coreos-kernel-6.12.78.ebuild
similarity index 100%
rename from sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-kernel/coreos-kernel-6.12.77.ebuild
rename to sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-kernel/coreos-kernel-6.12.78.ebuild
diff --git a/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-modules/coreos-modules-6.12.77.ebuild b/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-modules/coreos-modules-6.12.78.ebuild
similarity index 100%
rename from sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-modules/coreos-modules-6.12.77.ebuild
rename to sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-modules/coreos-modules-6.12.78.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 360e28b840d..7cc9ab890e5 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-6.12.tar.xz 147906904 BLAKE2B b2ec2fc69218cacabbbe49f78384a5d259ca581b717617c12b000b16f4a4c59ee348ea886b37147f5f70fb9a7a01c1e2c8f19021078f6b23f5bc62d1c48d5e5e SHA512 a37b1823df7b4f72542f689b65882634740ba0401a42fdcf6601d9efd2e132e5a7650e70450ba76f6cd1f13ca31180f2ccee9d54fe4df89bc0000ade4380a548
-DIST patch-6.12.77.xz 4122856 BLAKE2B 3f4be903ad737df00882bb90a0640aacccfa9588d7c407b964897f0c10aeb6d85be5285afe56433d018bb4908cae12b2f1890469db19c3417a9e758bbfea758e SHA512 cd1b18ee8af12f0d18c17f7695cbbd74d78f9ff39cc642319b5c7c22f66ab73c83aaa1cca289004fc88d769af8df37d3664e4447854d0eaa15212d916f79d691
+DIST patch-6.12.78.xz 4225144 BLAKE2B 026cf9d6336fdbb682fdb1ae9c6491d3673b1acd3043a4e6c329ab724f516aef9bf48aba2a7071ad99004ebeb20642b5eb2b149e9db3e13342628fb622e3cc40 SHA512 5a388c8b8c6677c9a7971d799c276e5a3bd7f0c8fe71082ad0c5e238c55e57b9416ba93b6f91cd54c9d990c9e4d943877efd4ff7d675299d2e548ba3d32f0c26
diff --git a/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-sources/coreos-sources-6.12.77.ebuild b/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-sources/coreos-sources-6.12.78.ebuild
similarity index 100%
rename from sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-sources/coreos-sources-6.12.77.ebuild
rename to sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-sources/coreos-sources-6.12.78.ebuild