diff --git a/changelog/updates/2026-08-03-linux-6.12.100-update.md b/changelog/updates/2026-08-03-linux-6.12.100-update.md
new file mode 100644
index 00000000000..fb138d0e004
--- /dev/null
+++ b/changelog/updates/2026-08-03-linux-6.12.100-update.md
@@ -0,0 +1 @@
+- Linux ([6.12.100](https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/tag/?h=v6.12.100) (includes [6.12.99](https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/tag/?h=v6.12.99)))
diff --git a/sdk_container/src/third_party/coreos-overlay/app-emulation/hv-daemons/hv-daemons-6.12.98.ebuild b/sdk_container/src/third_party/coreos-overlay/app-emulation/hv-daemons/hv-daemons-6.12.100.ebuild
similarity index 100%
rename from sdk_container/src/third_party/coreos-overlay/app-emulation/hv-daemons/hv-daemons-6.12.98.ebuild
rename to sdk_container/src/third_party/coreos-overlay/app-emulation/hv-daemons/hv-daemons-6.12.100.ebuild
diff --git a/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-kernel/coreos-kernel-6.12.98.ebuild b/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-kernel/coreos-kernel-6.12.100.ebuild
similarity index 100%
rename from sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-kernel/coreos-kernel-6.12.98.ebuild
rename to sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-kernel/coreos-kernel-6.12.100.ebuild
diff --git a/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-modules/coreos-modules-6.12.98.ebuild b/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-modules/coreos-modules-6.12.100.ebuild
similarity index 100%
rename from sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-modules/coreos-modules-6.12.98.ebuild
rename to sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-modules/coreos-modules-6.12.100.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 71e91b6106e..fe2c3dc5d1e 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-6.12.98.xz 5243448 BLAKE2B 9833c96b4353f8d0fab2fea0c934eef69c4c4fcdef256940f3075a3526d42cb34fbe12d2b576e98df349f227091b5463deefafafcfaf4bca9df0c7fe69a04cca SHA512 bb4cbd7f91970d6c300ac656cafed6bed2fa5a69962920de4cf9f1f28eff256494e355b612e74b252dd9ef936590183fd5fb00cc180dea427851174a4f383d94
+DIST patch-6.12.100.xz 5245604 BLAKE2B c0fb332fb1bb5ed18cd6dfebe40569b975073ed2b2c7101c04bb8c6281a1a0dea999bc6985adc50860233e4c2ca57c394090625bb83a288122a0c3fdc8142ba0 SHA512 09a74ff66e3bdaa9684ef98c0a4e30979bebe319f119b14b87a62bae2f52d995abba4194ce11ea5e02928d140707fdd7e8e2336a376a0507a5aea1c91a55dba4
diff --git a/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-sources/coreos-sources-6.12.98.ebuild b/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-sources/coreos-sources-6.12.100.ebuild
similarity index 100%
rename from sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-sources/coreos-sources-6.12.98.ebuild
rename to sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-sources/coreos-sources-6.12.100.ebuild