diff --git a/kernel.spec b/kernel.spec
index c3c7280..a48a766 100644
--- a/kernel.spec
+++ b/kernel.spec
@@ -38,10 +38,10 @@
 # define buildid .local
 
 %define specversion 4.18.0
-%define pkgrelease 553.114.1.rt7.455.el8_10
+%define pkgrelease 553.115.1.rt7.456.el8_10
 
 # allow pkg_release to have configurable %%{?dist} tag
-%define specrelease 553.114.1.rt7.455%{?dist}
+%define specrelease 553.115.1.rt7.456%{?dist}
 
 %define pkg_release %{specrelease}%{?buildid}
 
@@ -148,7 +148,7 @@
 # The preempt RT patch level
 %global rttag .rt7
 # realtimeN
-%global rtbuild .455
+%global rtbuild .456
 %define with_doc 0
 %define with_headers 0
 %define with_cross_headers 0
@@ -2708,6 +2708,19 @@ fi
 #
 #
 %changelog
+* Mon Mar 23 2026 CKI KWF Bot <cki-ci-bot+kwf-gitlab-com@redhat.com> [4.18.0-553.115.1.rt7.456.el8_10]
+- x86/microcode/AMD: Revert "Backport AMD microcode commits for better microcode loading support" (Waiman Long) [RHEL-155860]
+- net/sched: cls_u32: use skb_header_pointer_careful() (Paolo Abeni) [RHEL-150398] {CVE-2026-23204}
+- net: add skb_header_pointer_careful() helper (Paolo Abeni) [RHEL-150398]
+- tcp: fix forever orphan socket caused by tcp_abort (Paolo Abeni) [RHEL-146187]
+- xfs: fix minimum agno handling for xfs alloc modes in RHEL8 (Brian Foster) [RHEL-102464]
+- xfs: fix uninitialized use of flags variable in xfs_alloc_vextent() (Brian Foster) [RHEL-102464]
+- ipv4/tcp: do not use per netns ctl sockets (Davide Caratti) [RHEL-82523]
+- tcp: use this_cpu_read(*X) instead of *this_cpu_ptr(X) (Davide Caratti) [RHEL-82523]
+- macvlan: observe an RCU grace period in macvlan_common_newlink() error path (Hangbin Liu) [RHEL-150221]
+- macvlan: fix error recovery in macvlan_common_newlink() (CKI Backport Bot) [RHEL-150221] {CVE-2026-23209}
+- x86/uprobes: Fix XOL allocation failure for 32-bit tasks (Oleg Nesterov) [RHEL-96016]
+
 * Wed Mar 18 2026 CKI KWF Bot <cki-ci-bot+kwf-gitlab-com@redhat.com> [4.18.0-553.114.1.rt7.455.el8_10]
 - s390/kexec: Emit an error message when cmdline is too long (Mete Durlu) [RHEL-144946]
 - s390/boot: Fix kernel size in bootparm area (Mete Durlu) [RHEL-144946]
diff --git a/sources b/sources
index 92dd1bf..3c29de2 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (linux-4.18.0-553.114.1.rt7.455.el8_10.tar.xz) = e8359b3f27b2938fa83c345b477c044d60bc5631bba85fe130901ec351acdf1b4d84f083fb5b5daad0f0efb53be7a20f8add16230c7ee50e6005edb0ca641566
+SHA512 (linux-4.18.0-553.115.1.rt7.456.el8_10.tar.xz) = 9fc1f38abeb12819730498e06eb5aa423714aff86d8f5e566c4752c6b478f5870dcffb0a84c7c5d7365173a5b7438b3ca913dd22a56d1cf297b1b8abaa92bc34