diff --git a/build_library/oem/gce/grub.cfg b/build_library/oem/gce/grub.cfg
index 8366e12a550..0eb874cccc0 100644
--- a/build_library/oem/gce/grub.cfg
+++ b/build_library/oem/gce/grub.cfg
@@ -3,7 +3,11 @@
 set oem_id="gce"
 
 # GCE only has a serial console.
-set linux_console="console=ttyS0,115200n8"
-serial com0 --speed=115200 --word=8 --parity=no
-terminal_input serial_com0
-terminal_output serial_com0
+if [ "$grub_cpu" = arm64 ]; then
+  set linux_console="console=tty0 console=ttyAMA0,115200n8"
+else
+  set linux_console="console=ttyS0,115200n8"
+  serial com0 --speed=115200 --word=8 --parity=no
+  terminal_input serial_com0
+  terminal_output serial_com0
+fi
diff --git a/changelog/changes/2026-11-12-gce-arm64.md b/changelog/changes/2026-11-12-gce-arm64.md
new file mode 100644
index 00000000000..0bb81910956
--- /dev/null
+++ b/changelog/changes/2026-11-12-gce-arm64.md
@@ -0,0 +1 @@
+- Added arm64 support for GCE (T2A, C4A and other Axion/Ampere machine types), including the gVNIC driver (`CONFIG_GVE`) in the arm64 kernel, the `oem-gce` OEM sysext and OS Login ([flatcar/Flatcar#2000](https://github.com/flatcar/Flatcar/issues/2000))
diff --git a/sdk_container/src/third_party/coreos-overlay/app-admin/google-guest-configs/google-guest-configs-20260504.00.ebuild b/sdk_container/src/third_party/coreos-overlay/app-admin/google-guest-configs/google-guest-configs-20260504.00.ebuild
index dd00f94cdc9..af97792d8ca 100644
--- a/sdk_container/src/third_party/coreos-overlay/app-admin/google-guest-configs/google-guest-configs-20260504.00.ebuild
+++ b/sdk_container/src/third_party/coreos-overlay/app-admin/google-guest-configs/google-guest-configs-20260504.00.ebuild
@@ -16,7 +16,7 @@ S="${WORKDIR}/guest-configs-${PV}"
 
 LICENSE="Apache-2.0 BSD ZLIB"
 SLOT="0"
-KEYWORDS="amd64"
+KEYWORDS="amd64 arm64"
 
 RDEPEND="
 	!<app-emulation/google-compute-engine-20190124-r3
diff --git a/sdk_container/src/third_party/coreos-overlay/app-emulation/google-compute-engine/google-compute-engine-20190124-r4.ebuild b/sdk_container/src/third_party/coreos-overlay/app-emulation/google-compute-engine/google-compute-engine-20190124-r4.ebuild
index 76c1ada09d8..f9a42d65543 100644
--- a/sdk_container/src/third_party/coreos-overlay/app-emulation/google-compute-engine/google-compute-engine-20190124-r4.ebuild
+++ b/sdk_container/src/third_party/coreos-overlay/app-emulation/google-compute-engine/google-compute-engine-20190124-r4.ebuild
@@ -14,7 +14,7 @@ SRC_URI="https://github.com/GoogleCloudPlatform/compute-image-packages/archive/$
 S="${WORKDIR}/compute-image-packages-${PV}"
 LICENSE="MIT"
 SLOT="0"
-KEYWORDS="amd64"
+KEYWORDS="amd64 arm64"
 
 # These dependencies cover all commands called by the scripts.
 RDEPEND="
diff --git a/sdk_container/src/third_party/coreos-overlay/coreos-base/coreos/coreos-0.0.1-r321.ebuild b/sdk_container/src/third_party/coreos-overlay/coreos-base/coreos/coreos-0.0.1-r322.ebuild
similarity index 100%
rename from sdk_container/src/third_party/coreos-overlay/coreos-base/coreos/coreos-0.0.1-r321.ebuild
rename to sdk_container/src/third_party/coreos-overlay/coreos-base/coreos/coreos-0.0.1-r322.ebuild
diff --git a/sdk_container/src/third_party/coreos-overlay/coreos-base/coreos/coreos-0.0.1.ebuild b/sdk_container/src/third_party/coreos-overlay/coreos-base/coreos/coreos-0.0.1.ebuild
index b6e64960492..83d1d0ae19e 100644
--- a/sdk_container/src/third_party/coreos-overlay/coreos-base/coreos/coreos-0.0.1.ebuild
+++ b/sdk_container/src/third_party/coreos-overlay/coreos-base/coreos/coreos-0.0.1.ebuild
@@ -211,9 +211,7 @@ RDEPEND="${RDEPEND}
 
 # OEM specific bits that need to go in USR
 RDEPEND+="
-	amd64? (
-		sys-auth/google-oslogin
-	)
+	sys-auth/google-oslogin
 "
 
 # Group and user packages to eventually replace passwd in baselayout.
diff --git a/sdk_container/src/third_party/coreos-overlay/coreos-base/oem-gce/oem-gce-20260504.ebuild b/sdk_container/src/third_party/coreos-overlay/coreos-base/oem-gce/oem-gce-20260504.ebuild
index 1685f4acac9..c5075b3ce6c 100644
--- a/sdk_container/src/third_party/coreos-overlay/coreos-base/oem-gce/oem-gce-20260504.ebuild
+++ b/sdk_container/src/third_party/coreos-overlay/coreos-base/oem-gce/oem-gce-20260504.ebuild
@@ -15,7 +15,7 @@ S="${WORKDIR}"
 
 LICENSE="Apache-2.0"
 SLOT="0"
-KEYWORDS="amd64"
+KEYWORDS="amd64 arm64"
 
 RDEPEND="
 	app-admin/google-guest-configs
diff --git a/sdk_container/src/third_party/coreos-overlay/sys-auth/google-oslogin/google-oslogin-20200910.00-r4.ebuild b/sdk_container/src/third_party/coreos-overlay/sys-auth/google-oslogin/google-oslogin-20200910.00-r4.ebuild
index f8624481d09..ec808c81799 100644
--- a/sdk_container/src/third_party/coreos-overlay/sys-auth/google-oslogin/google-oslogin-20200910.00-r4.ebuild
+++ b/sdk_container/src/third_party/coreos-overlay/sys-auth/google-oslogin/google-oslogin-20200910.00-r4.ebuild
@@ -11,7 +11,7 @@ S="${WORKDIR}/${MY_P}"
 
 LICENSE="Apache-2.0"
 SLOT="0"
-KEYWORDS="amd64"
+KEYWORDS="amd64 arm64"
 IUSE="systemd"
 
 inherit pam systemd toolchain-funcs
diff --git a/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-kernel/coreos-kernel-6.18.58.ebuild b/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-kernel/coreos-kernel-6.18.58-r1.ebuild
similarity index 98%
rename from sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-kernel/coreos-kernel-6.18.58.ebuild
rename to sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-kernel/coreos-kernel-6.18.58-r1.ebuild
index bb07dbb104a..89116702c4d 100644
--- a/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-kernel/coreos-kernel-6.18.58.ebuild
+++ b/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-kernel/coreos-kernel-6.18.58-r1.ebuild
@@ -56,10 +56,8 @@ DEPEND="
 	>=sys-kernel/coreos-firmware-20180103-r1:=
 	sys-process/procps
 	virtual/udev
-	amd64? (
-		app-admin/google-guest-configs
-		sys-firmware/intel-microcode:=
-	)
+	app-admin/google-guest-configs
+	amd64? ( sys-firmware/intel-microcode:= )
 "
 
 src_prepare() {
diff --git a/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-modules/coreos-modules-6.18.58.ebuild b/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-modules/coreos-modules-6.18.58-r1.ebuild
similarity index 100%
rename from sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-modules/coreos-modules-6.18.58.ebuild
rename to sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-modules/coreos-modules-6.18.58-r1.ebuild
diff --git a/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-modules/files/amd64_defconfig-6.18 b/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-modules/files/amd64_defconfig-6.18
index 87b981ac6d6..63ebf02ea7a 100644
--- a/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-modules/files/amd64_defconfig-6.18
+++ b/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-modules/files/amd64_defconfig-6.18
@@ -48,7 +48,6 @@ CONFIG_FPROBE=y
 CONFIG_FUNCTION_PROFILER=y
 CONFIG_GART_IOMMU=y
 CONFIG_GET_FREE_REGION=y
-CONFIG_GVE=m
 CONFIG_HANGCHECK_TIMER=m
 CONFIG_HARDLOCKUP_DETECTOR=y
 CONFIG_HID=m
diff --git a/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-modules/files/commonconfig-6.18 b/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-modules/files/commonconfig-6.18
index 5dde04eec61..0ce0f7f00b4 100644
--- a/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-modules/files/commonconfig-6.18
+++ b/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-modules/files/commonconfig-6.18
@@ -232,6 +232,7 @@ CONFIG_GPIOLIB=y
 CONFIG_GPIO_SYSFS=y
 CONFIG_GRO_CELLS=y
 CONFIG_GTP=m
+CONFIG_GVE=m
 CONFIG_HARDENED_USERCOPY=y
 CONFIG_HIDRAW=y
 CONFIG_HID_APPLE=m