diff --git a/Makefile.rhelver b/Makefile.rhelver
index d9ac776dd..1e423fc3a 100644
--- a/Makefile.rhelver
+++ b/Makefile.rhelver
@@ -12,7 +12,7 @@ RHEL_MINOR = 99
 #
 # Use this spot to avoid future merge conflicts.
 # Do not trim this comment.
-RHEL_RELEASE = 39
+RHEL_RELEASE = 42
 
 #
 # RHEL_REBASE_NUM
diff --git a/def_variants.yaml.fedora b/def_variants.yaml.fedora
index b26cab12c..76827545a 100644
--- a/def_variants.yaml.fedora
+++ b/def_variants.yaml.fedora
@@ -12,10 +12,6 @@ packages:
     depends-on:
     - modules-core
     - modules
-  - name: modules-rt-kvm
-    if_variant_in: ["rt"]
-    depends-on:
-    - modules-core
 
 
 rules:
@@ -23,9 +19,6 @@ rules:
     exact_pkg: True
   - .*test[^/]*.ko: modules-internal
 
-  - arch/x86/kvm/kvm(-amd|-intel|\.).*: modules-rt-kvm
-    if_variant_in: ["rt"]
-
   - arch/.*: modules-core
   - crypto/.*: modules-core
 
@@ -72,8 +65,6 @@ rules:
   - drivers/gpio/gpio-dln2.*: modules-extra
   - drivers/gpio/gpio-ljca.*: modules
   - drivers/gpio/.*: modules-core
-  - drivers/gpu/drm/i915/kvmgt.*: modules-rt-kvm
-    if_variant_in: ["rt"]
   - drivers/gpu/drm/display/drm_.*: modules-core
   - drivers/gpu/drm/drm.*: modules-core
   - drivers/gpu/drm/etnaviv/.*: modules-core
@@ -252,8 +243,6 @@ rules:
   - drivers/powercap/intel_rapl_tpmi.*: modules
   - drivers/powercap/.*: modules-core
   - drivers/pps/.*: modules-core
-  - drivers/ptp/ptp_kvm.*: modules-rt-kvm
-    if_variant_in: ["rt"]
   - drivers/ptp/ptp_mock.*: modules-internal
   - drivers/ptp/ptp_dfl_tod.*: modules
   - drivers/ptp/.*: modules-core
diff --git a/kernel.changelog b/kernel.changelog
index 0a49fe467..21c8cf435 100644
--- a/kernel.changelog
+++ b/kernel.changelog
@@ -1,3 +1,17 @@
+* Mon May 05 2025 Fedora Kernel Team <kernel-team@fedoraproject.org> [6.15.0-0.rc5.42]
+- Linux v6.15.0-0.rc5
+Resolves: 
+
+* Sun May 04 2025 Fedora Kernel Team <kernel-team@fedoraproject.org> [6.15.0-0.rc4.e8ab83e34bdc.41]
+- Linux v6.15.0-0.rc4.e8ab83e34bdc
+Resolves: 
+
+* Sat May 03 2025 Fedora Kernel Team <kernel-team@fedoraproject.org> [6.15.0-0.rc4.95d3481af6dc.40]
+- Turn on ACPI_DEBUG for Fedora (Justin M. Forbes)
+- redhat: fix kernel-rt-kvm package removal for Fedora (Thorsten Leemhuis)
+- Linux v6.15.0-0.rc4.95d3481af6dc
+Resolves: 
+
 * Fri May 02 2025 Fedora Kernel Team <kernel-team@fedoraproject.org> [6.15.0-0.rc4.ebd297a2affa.39]
 - redhat/configs: aarch64: Enable Apple touchbar display driver for Fedora (Neal Gompa)
 - Linux v6.15.0-0.rc4.ebd297a2affa
diff --git a/kernel.spec b/kernel.spec
index 08fd55fa0..2d8e9334a 100644
--- a/kernel.spec
+++ b/kernel.spec
@@ -162,13 +162,13 @@ Summary: The Linux kernel
 %define specrpmversion 6.15.0
 %define specversion 6.15.0
 %define patchversion 6.15
-%define pkgrelease 0.rc4.20250502gitebd297a2affa.39
+%define pkgrelease 0.rc5.42
 %define kversion 6
-%define tarfile_release 6.15-rc4-147-gebd297a2affa
+%define tarfile_release 6.15-rc5
 # This is needed to do merge window version magic
 %define patchlevel 15
 # This allows pkg_release to have configurable %%{?dist} tag
-%define specrelease 0.rc4.20250502gitebd297a2affa.39%{?buildid}%{?dist}
+%define specrelease 0.rc5.42%{?buildid}%{?dist}
 # This defines the kabi tarball version
 %define kabiversion 6.15.0
 
@@ -4230,8 +4230,16 @@ fi\
 #
 #
 %changelog
-* Fri May 02 2025 Justin M. Forbes <jforbes@fedoraproject.org> [6.15.0-0.rc4.20250502gitebd297a2affa.39]
+* Mon May 05 2025 Fedora Kernel Team <kernel-team@fedoraproject.org> [6.15.0-0.rc5.42]
+- Linux v6.15.0-0.rc5
+
+* Sun May 04 2025 Fedora Kernel Team <kernel-team@fedoraproject.org> [6.15.0-0.rc4.e8ab83e34bdc.41]
+- Linux v6.15.0-0.rc4.e8ab83e34bdc
+
+* Sat May 03 2025 Fedora Kernel Team <kernel-team@fedoraproject.org> [6.15.0-0.rc4.95d3481af6dc.40]
 - Turn on ACPI_DEBUG for Fedora (Justin M. Forbes)
+- redhat: fix kernel-rt-kvm package removal for Fedora (Thorsten Leemhuis)
+- Linux v6.15.0-0.rc4.95d3481af6dc
 
 * Fri May 02 2025 Fedora Kernel Team <kernel-team@fedoraproject.org> [6.15.0-0.rc4.ebd297a2affa.39]
 - redhat/configs: aarch64: Enable Apple touchbar display driver for Fedora (Neal Gompa)
diff --git a/patch-6.15-redhat.patch b/patch-6.15-redhat.patch
index f56803d1c..02e22c247 100644
--- a/patch-6.15-redhat.patch
+++ b/patch-6.15-redhat.patch
@@ -190,7 +190,7 @@ index 000000000000..85771d74c34f
 +
 +endmenu
 diff --git a/Makefile b/Makefile
-index 94be5dfb81fb..f0c337e2cd55 100644
+index b29cc321ffd9..135c6b5ebc36 100644
 --- a/Makefile
 +++ b/Makefile
 @@ -22,6 +22,18 @@ $(if $(filter __%, $(MAKECMDGOALS)), \
diff --git a/sources b/sources
index 19f232c7b..543328ea7 100644
--- a/sources
+++ b/sources
@@ -1,3 +1,3 @@
-SHA512 (linux-6.15-rc4-147-gebd297a2affa.tar.xz) = 7d290817aed0934a1547dc9ed6b784499a71b254717fa8eda006a19806a282b901588026de02121c0c1e2a52cad4124a39123d22431277c271ca097b88587fd6
-SHA512 (kernel-abi-stablelists-6.15.0.tar.xz) = 97270d56011b14ec842bea8f4afbe0c7e181c034c1f17e2797435719124e6d3b312404d1a463d5e38245b07a8e2e976a74e3ded57efd104da123659554c89bfb
-SHA512 (kernel-kabi-dw-6.15.0.tar.xz) = 15dd96a9ade9ddddc88256ee7535bde056691314cb36d4e5a7a135f292fb8974d2746ccd659c2ba6a74458d406204ad68c0221d7db74b249e24c31002da1bc80
+SHA512 (linux-6.15-rc5.tar.xz) = 2da74ef8ad21543c12d96ab7f4171dce215f90845dfa72b8204d5d0d53ab4cf1a3db8e88575887af4006332b0db8974b60495e8e5c5407280fcf10b50e7b4878
+SHA512 (kernel-abi-stablelists-6.15.0.tar.xz) = c7800f955490d2085bdfaabf307b9fff79d61959a16f02d972703239183cf2d7f9b36888cfba21bd9af38e8e00aa36473c6b701be8321abb676c9d9f308c92e9
+SHA512 (kernel-kabi-dw-6.15.0.tar.xz) = f585a61989e132a555667a02726fd8788783742abf6e7e28f274398b45288a9dd793f9510b778068c70ab02cd2cc0babcd2eeb9251b3d455dea20973842e1ef0