# 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 3.10.0-1160.42.2.el7 %define kpatch_ver 0.9.2 %define rpm_ver 1 %define rpm_rel 3 %if !%{empty_package} # Patch sources below. DO NOT REMOVE THIS LINE. # # https://bugzilla.redhat.com/1975766 Source100: CVE-2021-22543.patch # # https://bugzilla.redhat.com/1988221 Source101: CVE-2021-37576.patch # # https://bugzilla.redhat.com/1981703 Source102: CVE-2020-36385.patch # # https://bugzilla.redhat.com/2034878 Source103: CVE-2021-4155.patch # # https://bugzilla.redhat.com/2031986 Source104: CVE-2021-0920.patch # # https://bugzilla.redhat.com/2042766 Source105: CVE-2020-0466.patch # # https://bugzilla.redhat.com/2044373 Source106: CVE-2022-0330.patch # # https://bugzilla.redhat.com/2047616 Source107: CVE-2022-22942.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"), ".el7", ""), "%.", "_")))} %define kernel_ver_arch %{kernel_ver}.%{_arch} Name: kpatch-patch-%{sanitized_kernel_ver} Version: %{rpm_ver} Release: %{rpm_rel}.el7 %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: x86_64 ppc64le Conflicts: %{name} < %{version}-%{release} Provides: kpatch-patch = %{kernel_ver_arch} Provides: kpatch-patch = %{kernel_ver} %if !%{empty_package} Requires: systemd %endif Requires: kpatch >= 0.4.0-3 Requires: kernel-uname-r = %{kernel_ver_arch} %if !%{empty_package} BuildRequires: gcc elfutils-devel rpmdevtools asciidoc bc hmaccalc m4 net-tools xmlto zlib-devel binutils-devel newt-devel python-devel perl(ExtUtils::Embed) bison audit-libs-devel numactl-devel pciutils-devel openssl gettext kernel-devel ncurses-devel hostname java-devel python-docutils BuildRequires: kernel-devel = %{kernel_ver} BuildRequires: kernel-debuginfo = %{kernel_ver} %ifarch x86_64 BuildRequires: pesign %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 # Patch1: backport.patch %global _dupsign_opts --keyname=rhelkpatch1 %define builddir %{_builddir}/kpatch-%{kpatch_ver} %define kpatch %{_sbindir}/kpatch %define kmoddir %{_usr}/lib/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 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 %{kmoddir}/%{patchmod} fi fi %{kpatch} install -k %{kernel_ver_arch} %{kmoddir}/%{patchmod} sync 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 * Fri Feb 11 2022 Joe Lawrence [1-3.el7] - kernel: failing usercopy allows for use-after-free exploitation [2047616] {CVE-2022-22942} - kernel: possible privileges escalation due to missing TLB flush [2044373] {CVE-2022-0330} - kernel: use after free in eventpoll.c may lead to escalation of privilege [2042766] {CVE-2020-0466} - kernel: Use After Free in unix_gc() which could result in a local privilege escalation [2031986] {CVE-2021-0920} - kernel: xfs: raw block device data leak in XFS_IOC_ALLOCSP IOCTL [2034878] {CVE-2021-4155} * Fri Nov 12 2021 Joe Lawrence [1-2.el7] - kernel: use-after-free in drivers/infiniband/core/ucma.c ctx use-after-free [1981703] {CVE-2020-36385} * Wed Sep 29 2021 Joe Lawrence [1-1.el7] - kernel: powerpc: KVM guest OS users can cause host OS memory corruption [1988221] {CVE-2021-37576} - kernel: Improper handling of VM_IO|VM_PFNMAP vmas in KVM can bypass RO checks [1975766] {CVE-2021-22543} * Thu Sep 02 2021 Joe Lawrence [0-0.el7] - An empty patch to subscribe to kpatch stream for kernel-3.10.0-1160.42.2.el7 [2000547]