diff --git a/changelog/updates/2025-10-24-linux-6.12.55-update.md b/changelog/updates/2025-10-24-linux-6.12.55-update.md
new file mode 100644
index 00000000000..2e59f6ec2e4
--- /dev/null
+++ b/changelog/updates/2025-10-24-linux-6.12.55-update.md
@@ -0,0 +1 @@
+- Linux ([6.12.55](https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/tag/?h=v6.12.55))
diff --git a/sdk_container/src/third_party/coreos-overlay/app-emulation/hv-daemons/hv-daemons-6.12.54.ebuild b/sdk_container/src/third_party/coreos-overlay/app-emulation/hv-daemons/hv-daemons-6.12.55.ebuild
similarity index 100%
rename from sdk_container/src/third_party/coreos-overlay/app-emulation/hv-daemons/hv-daemons-6.12.54.ebuild
rename to sdk_container/src/third_party/coreos-overlay/app-emulation/hv-daemons/hv-daemons-6.12.55.ebuild
diff --git a/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-kernel/coreos-kernel-6.12.54.ebuild b/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-kernel/coreos-kernel-6.12.55.ebuild
similarity index 100%
rename from sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-kernel/coreos-kernel-6.12.54.ebuild
rename to sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-kernel/coreos-kernel-6.12.55.ebuild
diff --git a/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-modules/coreos-modules-6.12.54.ebuild b/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-modules/coreos-modules-6.12.55.ebuild
similarity index 100%
rename from sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-modules/coreos-modules-6.12.54.ebuild
rename to sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-modules/coreos-modules-6.12.55.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 05a8d04998b..51fb934af0c 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-6.12.54.xz 3096864 BLAKE2B f5bff8166a5a45535092614ef9ed1d9e39064fd2762f0d71e852a87437326892c9d25a095ad51eb3b7fdfe266ba5f16d271303b98c4c1c6ed1716cfa09b669bb SHA512 744143218b5258a67f4b00126c72d7630b6e563dd0cc0a9cf685bc38cb48dc217d717053117e72a52fba061b2171a99ef64d992288f75500f069c617d1663b5b
+DIST patch-6.12.55.xz 3132512 BLAKE2B b78f35653171cb91d00f115cfb7a9d5e1b1eb43e77f342b06e7eed3425e620975addcc35608b64eee11d08f0b0599850520ce92fc8170dad3742fd65a2d529b4 SHA512 c81f4e2afc3bb1e5c279147c26ad91bbc045b34bb557f0f2ccaa05d59991320e936a7fd71237ea177e246062280496d72e3e6a006b87e8d67aaaa6c8dfce4608
diff --git a/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-sources/coreos-sources-6.12.54.ebuild b/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-sources/coreos-sources-6.12.55.ebuild
similarity index 100%
rename from sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-sources/coreos-sources-6.12.54.ebuild
rename to sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-sources/coreos-sources-6.12.55.ebuild