# Set to 1 if building an empty subscription-only package. %define empty_package 0 ####################################################### # Only need to update these variables and the changelog %define kernel_ver 4.18.0-305.3.1.el8_4 %define kpatch_ver 0.9.3 %define rpm_ver 1 %define rpm_rel 4 %if !%{empty_package} # Patch sources below. DO NOT REMOVE THIS LINE. # # https://bugzilla.redhat.com/1962521 Source100: CVE-2021-33034.patch # # https://bugzilla.redhat.com/1971478 Source101: CVE-2021-32399.patch # # https://bugzilla.redhat.com/1975190 Source102: CVE-2021-33909.patch # # https://bugzilla.redhat.com/1975762 Source103: CVE-2021-22543.patch # # https://bugzilla.redhat.com/1980520 Source104: CVE-2021-22555.patch # # https://bugzilla.redhat.com/1975066 Source105: CVE-2021-3609.patch # # https://bugzilla.redhat.com/1988230 Source106: CVE-2021-37576.patch # End of patch sources. DO NOT REMOVE THIS LINE. %endif %define sanitized_rpm_rel %{lua: print((string.gsub(rpm.expand("%rpm_rel"), "%.", "_")))} %define sanitized_kernel_ver %{lua: print((string.gsub(string.gsub(rpm.expand("%kernel_ver"), '.el8_?\%d?', ""), "%.", "_")))} %define kernel_ver_arch %{kernel_ver}.%{_arch} Name: kpatch-patch-%{sanitized_kernel_ver} Version: %{rpm_ver} Release: %{rpm_rel}%{?dist} %if %{empty_package} Summary: Initial empty kpatch-patch for kernel-%{kernel_ver_arch} %else Summary: Live kernel patching module for kernel-%{kernel_ver_arch} %endif Group: System Environment/Kernel License: GPLv2 ExclusiveArch: ppc64le Conflicts: %{name} < %{version}-%{release} Provides: kpatch-patch = %{kernel_ver_arch} Provides: kpatch-patch = %{kernel_ver} %if !%{empty_package} Requires: systemd %endif Requires: kpatch >= 0.6.1-1 Requires: kernel-uname-r = %{kernel_ver_arch} %if !%{empty_package} BuildRequires: patchutils BuildRequires: kernel-devel = %{kernel_ver} BuildRequires: kernel-debuginfo = %{kernel_ver} # kernel build requirements, generated from: # % rpmspec -q --buildrequires kernel.spec | sort | awk '{print "BuildRequires:\t" $0}' # with arch-specific packages moved into conditional block BuildRequires: asciidoc audit-libs-devel bash bc binutils binutils-devel bison bzip2 diffutils elfutils elfutils-devel findutils flex gawk gcc gettext git gzip hmaccalc hostname kmod m4 make ncurses-devel net-tools newt-devel numactl-devel openssl openssl-devel patch pciutils-devel perl-Carp perl-devel perl(ExtUtils::Embed) perl-generators perl-interpreter python3-devel python3-docutils redhat-rpm-config rpm-build sh-utils tar xmlto xz xz-devel zlib-devel java-devel kabi-dw %ifarch x86_64 BuildRequires: pesign >= 0.10-4 %endif %ifarch ppc64le BuildRequires: gcc-plugin-devel %endif Source0: https://github.com/dynup/kpatch/archive/v%{kpatch_ver}.tar.gz Source10: kernel-%{kernel_ver}.src.rpm # kpatch-build patches %global _dupsign_opts --keyname=rhelkpatch1 %define builddir %{_builddir}/kpatch-%{kpatch_ver} %define kpatch %{_sbindir}/kpatch %define kmoddir %{_usr}/lib/kpatch/%{kernel_ver_arch} %define kinstdir %{_sharedstatedir}/kpatch/%{kernel_ver_arch} %define patchmodname kpatch-%{sanitized_kernel_ver}-%{version}-%{sanitized_rpm_rel} %define patchmod %{patchmodname}.ko %define _missing_build_ids_terminate_build 1 %define _find_debuginfo_opts -r %undefine _include_minidebuginfo %undefine _find_debuginfo_dwz_opts %description This is a kernel live patch module which can be loaded by the kpatch command line utility to modify the code of a running kernel. This patch module is targeted for kernel-%{kernel_ver}. %prep %autosetup -n kpatch-%{kpatch_ver} -p1 %build kdevdir=/usr/src/kernels/%{kernel_ver_arch} vmlinux=/usr/lib/debug/lib/modules/%{kernel_ver_arch}/vmlinux # kpatch-build make -C kpatch-build # patch module for i in %{sources}; do [[ $i == *.patch ]] && patch_sources="$patch_sources $i" done export CACHEDIR="%{builddir}/.kpatch" kpatch-build/kpatch-build -n %{patchmodname} -r %{SOURCE10} -v $vmlinux --skip-cleanup $patch_sources || { cat "${CACHEDIR}/build.log"; exit 1; } %install installdir=%{buildroot}/%{kmoddir} install -d $installdir install -m 755 %{builddir}/%{patchmod} $installdir %files %{_usr}/lib/kpatch %post %{kpatch} install -k %{kernel_ver_arch} %{kmoddir}/%{patchmod} chcon -t modules_object_t %{kinstdir}/%{patchmod} sync if [[ %{kernel_ver_arch} = $(uname -r) ]]; then cver="%{rpm_ver}_%{rpm_rel}" pname=$(echo "kpatch_%{sanitized_kernel_ver}" | sed 's/-/_/') lver=$({ %{kpatch} list | sed -nr "s/^${pname}_([0-9_]+)\ \[enabled\]$/\1/p"; echo "${cver}"; } | sort -V | tail -1) if [ "${lver}" != "${cver}" ]; then echo "WARNING: at least one loaded kpatch-patch (${pname}_${lver}) has a newer version than the one being installed." echo "WARNING: You will have to reboot to load a downgraded kpatch-patch" else %{kpatch} load %{patchmod} fi fi exit 0 %postun %{kpatch} uninstall -k %{kernel_ver_arch} %{patchmod} sync exit 0 %else %description This is an empty kpatch-patch package which does not contain any real patches. It is only a method to subscribe to the kpatch stream for kernel-%{kernel_ver}. %files %doc %endif %changelog * Wed Sep 01 2021 Artem Savkov [1-4.el8_4] - powerpc: KVM guest OS users can cause host OS memory corruption [1988230] {CVE-2021-37576} * Tue Jul 27 2021 Artem Savkov [1-3.el8_4] - race condition in net/can/bcm.c leads to local privilege escalation [1975066] {CVE-2021-3609} - out-of-bounds write in xt_compat_target_from_user() in net/netfilter/x_tables.c [1980520] {CVE-2021-22555} - Improper handling of VM_IO|VM_PFNMAP vmas in KVM can bypass RO checks [1975762] {CVE-2021-22543} * Mon Jul 12 2021 Artem Savkov [1-2.el8_4] - kernel: size_t-to-int conversion vulnerability in the filesystem layer [1975190] {CVE-2021-33909} - kernel: race condition for removal of the HCI controller [1971478] {CVE-2021-32399} * Thu Jun 17 2021 Yannick Cote [1-1.el8_4] - kernel: use-after-free in net/bluetooth/hci_event.c when destroying an hci_chan [1962521] {CVE-2021-33034} * Wed May 19 2021 Artem Savkov [0-0.el8_4] - An empty patch to subscribe to kpatch stream for kernel-4.18.0-305.3.1.el8_4 [1962203]