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Unscored CVE-2024-42230 EUVD-2024-39877GHSA-qf7q-7m3q-4gg2

powerpc/pseries: Fix scv instruction crash with kexec

Published Jul 30, 2024 · Updated May 11, 2026 · Assigned by Linux

Vendor: Linux Product: Linux Package: kernel Package: linux Package: linux Package: linux-allwinner-5.19 Package: linux-aws Package: linux-aws-5.0 Package: linux-aws-5.11 Package: linux-aws-5.13 Package: linux-aws-5.15 Package: linux-aws-5.19 Package: linux-aws-5.3 Package: linux-aws-5.8 Package: linux-aws-6.2 Package: linux-aws-6.5 Package: linux-aws-6.8 Package: linux-aws-fips Package: linux-azure Package: linux-azure-5.11 Package: linux-azure-5.13 Package: linux-azure-5.15 Package: linux-azure-5.19 Package: linux-azure-5.3 Package: linux-azure-5.8 Package: linux-azure-6.2 Package: linux-azure-6.5 Package: linux-azure-6.8 Package: linux-azure-edge Package: linux-azure-fde Package: linux-azure-fde-5.19 Package: linux-azure-fde-6.2 Package: linux-azure-fips Package: linux-bluefield Package: linux-fips Package: linux-gcp Package: linux-gcp-5.11 Package: linux-gcp-5.13 Package: linux-gcp-5.15 Package: linux-gcp-5.19 Package: linux-gcp-5.3 Package: linux-gcp-5.8 Package: linux-gcp-6.2 Package: linux-gcp-6.5 Package: linux-gcp-6.8 Package: linux-gcp-fips Package: linux-gke Package: linux-gke-4.15 Package: linux-gke-5.15 Package: linux-gke-5.4 Package: linux-gkeop Package: linux-gkeop-5.15 Package: linux-gkeop-5.4 Package: linux-hwe Package: linux-hwe-5.11 Package: linux-hwe-5.13 Package: linux-hwe-5.15 Package: linux-hwe-5.19 Package: linux-hwe-5.8 Package: linux-hwe-6.2 Package: linux-hwe-6.5 Package: linux-hwe-6.8 Package: linux-hwe-edge Package: linux-ibm Package: linux-ibm-5.15 Package: linux-ibm-6.8 Package: linux-intel-5.13 Package: linux-intel-iot-realtime Package: linux-intel-iotg Package: linux-intel-iotg-5.15 Package: linux-kvm Package: linux-lowlatency Package: linux-lowlatency-hwe-5.15 Package: linux-lowlatency-hwe-5.19 Package: linux-lowlatency-hwe-6.2 Package: linux-lowlatency-hwe-6.5 Package: linux-lowlatency-hwe-6.8 Package: linux-nvidia Package: linux-nvidia-6.2 Package: linux-nvidia-6.5 Package: linux-nvidia-6.8 Package: linux-nvidia-lowlatency Package: linux-nvidia-tegra Package: linux-nvidia-tegra-5.15 Package: linux-nvidia-tegra-igx Package: linux-oem Package: linux-oem-5.10 Package: linux-oem-5.13 Package: linux-oem-5.14 Package: linux-oem-5.17 Package: linux-oem-5.6 Package: linux-oem-6.0 Package: linux-oem-6.1 Package: linux-oem-6.5 Package: linux-oem-6.8 Package: linux-oracle Package: linux-oracle-5.0 Package: linux-oracle-5.11 Package: linux-oracle-5.13 Package: linux-oracle-5.15 Package: linux-oracle-5.3 Package: linux-oracle-5.8 Package: linux-oracle-6.5 Package: linux-oracle-6.8 Package: linux-raspi Package: linux-raspi-realtime Package: linux-raspi2 Package: linux-realtime Package: linux-realtime-6.8 Package: linux-riscv Package: linux-riscv-5.11 Package: linux-riscv-5.15 Package: linux-riscv-5.19 Package: linux-riscv-5.8 Package: linux-riscv-6.5 Package: linux-riscv-6.8 Package: linux-starfive-5.19 Package: linux-starfive-6.2 Package: linux-starfive-6.5 Package: linux-vmware Package: linux-xilinx Package: linux-xilinx-zynqmp Platform: Linux Ecosystem: Azure Linux Ecosystem: Debian Ecosystem: Ubuntu

Description

In the Linux kernel, the following vulnerability has been resolved:

powerpc/pseries: Fix scv instruction crash with kexec

kexec on pseries disables AIL (reloc_on_exc), required for scv
instruction support, before other CPUs have been shut down. This means
they can execute scv instructions after AIL is disabled, which causes an
interrupt at an unexpected entry location that crashes the kernel.

Change the kexec sequence to disable AIL after other CPUs have been
brought down.

As a refresher, the real-mode scv interrupt vector is 0x17000, and the
fixed-location head code probably couldn't easily deal with implementing
such high addresses so it was just decided not to support that interrupt
at all.

Affected products

VendorProductAffectedFixed
Linux Linux 5.9 6.1.98

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
Debian 14 linux 6.9.9-1 —
Debian 13 linux 6.9.9-1 —
Debian 12 linux 6.1.98-1 —
Debian 11 linux-6.1 6.1.119-1~deb11u1 DLA-4008-1
ReleasePackageFixed inAdvisory
Ubuntu Nvidia-BlueField 22.04 LTS linux-bluefield 5.15.0-1069.71 —
Ubuntu 24.04 LTS linux 6.8.0-48.48 USN-7089-1
Ubuntu 24.04 LTS linux-aws 6.8.0-1018.20 USN-7089-3
Ubuntu 24.04 LTS linux-azure 6.8.0-1017.20 USN-7089-2
Ubuntu 24.04 LTS linux-gcp +1 6.8.0-1017.19 USN-7095-1, USN-7089-2
Ubuntu 24.04 LTS linux-gke 6.8.0-1013.17 USN-7089-6
Ubuntu 24.04 LTS linux-gkeop 6.8.0-1002.4 USN-7156-1
Ubuntu 24.04 LTS linux-ibm 6.8.0-1015.15 USN-7089-2
Ubuntu 24.04 LTS linux-lowlatency 6.8.0-48.48.3 USN-7089-7
Ubuntu 24.04 LTS linux-nvidia-lowlatency 6.8.0-1017.19.1 USN-7095-1
Ubuntu 24.04 LTS linux-oem-6.8 6.8.0-1016.16 USN-7089-4
Ubuntu 24.04 LTS linux-oracle 6.8.0-1015.16 USN-7089-3
Ubuntu 24.04 LTS linux-raspi 6.8.0-1014.16 USN-7089-5
Ubuntu 24.04 LTS linux-riscv 6.8.0-48.48.1 —
Ubuntu 24.04 LTS linux-xilinx 6.8.0-1009.10 —
Ubuntu 22.04 LTS linux +1 5.15.0-142.152 USN-7591-1
Ubuntu 22.04 LTS linux-aws 5.15.0-1086.93 USN-7591-4
Ubuntu 22.04 LTS linux-aws-6.8 6.8.0-1018.19~22.04.1 USN-7089-3
Ubuntu 22.04 LTS linux-azure 5.15.0-1091.100 USN-7597-1
Ubuntu 22.04 LTS linux-azure-6.8 6.8.0-1017.20~22.04.1 USN-7090-1
Ubuntu 22.04 LTS linux-azure-fde 5.15.0-1091.100.1 —
Ubuntu 22.04 LTS linux-gcp 5.15.0-1085.94 USN-7591-1
Ubuntu 22.04 LTS linux-gcp-6.8 +1 6.8.0-1017.19~22.04.1 USN-7095-1, USN-7089-1
Ubuntu 22.04 LTS linux-gke +1 5.15.0-1083.89 USN-7591-1
Ubuntu 22.04 LTS linux-gkeop 5.15.0-1068.76 USN-7591-1
Ubuntu 22.04 LTS linux-hwe-6.8 6.8.0-48.48~22.04.1 USN-7089-1
Ubuntu 22.04 LTS linux-ibm 5.15.0-1078.81 USN-7591-1
Ubuntu 22.04 LTS linux-ibm-6.8 +1 6.8.0-1015.15~22.04.1 USN-7089-3
Ubuntu 22.04 LTS linux-intel-iotg 5.15.0-1081.87 USN-7591-5
Ubuntu 22.04 LTS linux-kvm 5.15.0-1082.87 USN-7591-1
Ubuntu 22.04 LTS linux-lowlatency-hwe-6.8 6.8.0-48.48.3~22.04.1 USN-7089-7
Ubuntu 22.04 LTS linux-nvidia 5.15.0-1080.81 USN-7591-1
Ubuntu 22.04 LTS linux-nvidia-tegra 5.15.0-1039.39 USN-7591-1
Ubuntu 22.04 LTS linux-nvidia-tegra-igx 5.15.0-1028.28 USN-7591-1
Ubuntu 22.04 LTS linux-raspi 5.15.0-1080.83 USN-7591-6
Ubuntu 22.04 LTS linux-riscv +32 No fix yet —
Ubuntu 22.04 LTS linux-riscv-6.8 6.8.0-48.48.1~22.04.2 —
Ubuntu 22.04 LTS linux-xilinx-zynqmp 5.15.0-1050.54 USN-7602-1
Ubuntu 20.04 LTS linux-gke +27 No fix yet —
Ubuntu 18.04 LTS linux-gcp +13 No fix yet —
Show 7 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
Ubuntu 16.04 LTS linux-hwe-edge No fix yet —
Ubuntu Pro Realtime 24.04 LTS linux-raspi-realtime 6.8.0-2013.14 —
Ubuntu Pro Realtime 24.04 LTS linux-realtime 6.8.1-1011.11 —
Ubuntu Pro Realtime 22.04 LTS linux-intel-iot-realtime 5.15.0-1079.81 USN-7591-3
Ubuntu Pro Realtime 22.04 LTS linux-realtime 5.15.0-1086.95 USN-7591-3
Ubuntu Pro Realtime 22.04 LTS linux-realtime-6.8 6.8.1-1011.11~22.04.1 —
Ubuntu Pro FIPS-updates 24.04 LTS linux-fips 6.8.0-78.78+fips1 —
Ubuntu Pro FIPS-updates 22.04 LTS linux-aws-fips 5.15.0-1086.93+fips1 USN-7591-2
Ubuntu Pro FIPS-updates 22.04 LTS linux-azure-fips 5.15.0-1091.100+fips1 USN-7597-2
Ubuntu Pro FIPS-updates 22.04 LTS linux-fips 5.15.0-142.152+fips1 USN-7591-2
Ubuntu Pro FIPS-updates 22.04 LTS linux-gcp-fips 5.15.0-1085.94+fips1 USN-7591-2
Ubuntu Pro FIPS-preview 22.04 LTS linux-fips +3 No fix yet —
Ubuntu Pro 20.04 LTS linux-aws-5.15 5.15.0-1086.93~20.04.1 USN-7592-1
Ubuntu Pro 20.04 LTS linux-azure-5.15 5.15.0-1091.100~20.04.1 USN-7598-1
Ubuntu Pro 20.04 LTS linux-gcp-5.15 5.15.0-1085.94~20.04.1 USN-7592-1
Ubuntu Pro 20.04 LTS linux-hwe-5.15 +1 5.15.0-142.152~20.04.1 USN-7593-1, USN-7592-1
Ubuntu Pro 20.04 LTS linux-ibm-5.15 5.15.0-1078.81~20.04.1 USN-7592-1
Ubuntu Pro 20.04 LTS linux-nvidia-tegra-5.15 5.15.0-1039.39~20.04.1 —
Ubuntu Pro 20.04 LTS linux-oracle-5.15 +1 5.15.0-1083.89~20.04.1 USN-7655-1, USN-7592-1
Ubuntu Pro 20.04 LTS linux-riscv-5.15 5.15.0-1081.85~20.04.1 —
ReleasePackageFixed inAdvisory
SLES 15 SP6 kernel-64kb +6 6.4.0-150600.23.22.1 SUSE-SU-2024:3383-1
SLES 15 SP6 kernel-azure +2 6.4.0-150600.8.11.1 SUSE-SU-2024:3194-1
SLES 15 SP6 kernel-default-base 6.4.0-150600.23.22.1.150600.12.8.3 SUSE-SU-2024:3383-1
SLES 15 SP5 kernel-64kb +5 5.14.21-150500.55.73.1 SUSE-SU-2024:3483-1, SUSE-SU-2024:2939-1
SLES 15 SP5 kernel-azure +2 5.14.21-150500.33.63.1 SUSE-SU-2024:3190-1, SUSE-SU-2024:2947-1
SLES 15 SP5 kernel-default-base 5.14.21-150500.55.73.1.150500.6.33.8 SUSE-SU-2024:3483-1, SUSE-SU-2024:2939-1
SLES 15 SP5 kernel-docs 5.14.21-150500.55.73.2 SUSE-SU-2024:3483-1, SUSE-SU-2024:2939-1
SLES 15 SP4 kernel-64kb +6 5.14.21-150400.24.128.1 SUSE-SU-2024:3408-1, SUSE-SU-2024:2929-1
SLES 15 SP4 kernel-default-base 5.14.21-150400.24.128.1.150400.24.62.1 SUSE-SU-2024:3408-1, SUSE-SU-2024:2929-1
Show 13 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
SLES for SAP 15 SP4 kernel-default-base 5.14.21-150400.24.128.1.150400.24.62.1 SUSE-SU-2024:3408-1, SUSE-SU-2024:2929-1
SLES for SAP 15 SP4 kernel-docs +4 5.14.21-150400.24.128.1 SUSE-SU-2024:3408-1, SUSE-SU-2024:2929-1
SLE Micro 6.0 kernel-default-base 6.4.0-17.1.1.51 SUSE-SU-2025:20044-1
SLE Micro 6.0 kernel-livepatch-MICRO-6-0_Update_2 +1 1-1.1 SUSE-SU-2025:20047-1, SUSE-SU-2025:20044-1
SLE Micro 6.0 kernel-rt +1 6.4.0-10.1 SUSE-SU-2025:20047-1
SLE Micro 6.0 kernel-source +2 6.4.0-19.1 SUSE-SU-2025:20044-1
SLE Micro 5.5 kernel-default 5.14.21-150500.55.73.1 SUSE-SU-2024:3483-1, SUSE-SU-2024:2939-1
SLE Micro 5.5 kernel-default-base 5.14.21-150500.55.73.1.150500.6.33.8 SUSE-SU-2024:3483-1, SUSE-SU-2024:2939-1
SLE Micro 5.5 kernel-rt +1 5.14.21-150500.13.64.1 SUSE-SU-2024:3209-1, SUSE-SU-2024:2894-1
SLE Micro 5.4 kernel-default 5.14.21-150400.24.128.1 SUSE-SU-2024:3408-1, SUSE-SU-2024:2929-1
SLE Micro 5.4 kernel-default-base 5.14.21-150400.24.128.1.150400.24.62.1 SUSE-SU-2024:3408-1, SUSE-SU-2024:2929-1
SLE Micro 5.4 kernel-rt +1 5.14.21-150400.15.88.1 SUSE-SU-2024:2902-1
SLE Micro 5.3 kernel-default 5.14.21-150400.24.128.1 SUSE-SU-2024:3408-1, SUSE-SU-2024:2929-1
SLE Micro 5.3 kernel-default-base 5.14.21-150400.24.128.1.150400.24.62.1 SUSE-SU-2024:3408-1, SUSE-SU-2024:2929-1
SLE Micro 5.3 kernel-rt +1 5.14.21-150400.15.88.1 SUSE-SU-2024:2902-1
SLE Live Patching 15 SP6 kernel-default 6.4.0-150600.23.22.1 SUSE-SU-2024:3383-1
SLE Live Patching 15 SP6 kernel-livepatch-SLE15-SP6-RT_Update_2 1-150600.1.3.2 SUSE-SU-2024:3195-1
SLE Live Patching 15 SP6 kernel-livepatch-SLE15-SP6_Update_4 1-150600.13.3.3 SUSE-SU-2024:3383-1
SLE Live Patching 15 SP5 kernel-default 5.14.21-150500.55.73.1 SUSE-SU-2024:3483-1, SUSE-SU-2024:2939-1
SLE Live Patching 15 SP5 kernel-livepatch-SLE15-SP5_Update_17 +1 1-150500.11.3.1 SUSE-SU-2024:2939-1, SUSE-SU-2024:2894-1
SLE Live Patching 15 SP5 kernel-livepatch-SLE15-SP5_Update_19 +1 1-150500.11.3.2 SUSE-SU-2024:3483-1, SUSE-SU-2024:3209-1
SLE Live Patching 15 SP4 kernel-default 5.14.21-150400.24.128.1 SUSE-SU-2024:3408-1, SUSE-SU-2024:2929-1
SLE Live Patching 15 SP4 kernel-livepatch-SLE15-SP4_Update_29 1-150400.9.3.1 SUSE-SU-2024:2929-1
SLE Live Patching 15 SP4 kernel-livepatch-SLE15-SP4_Update_31 1-150400.9.3.2 SUSE-SU-2024:3408-1
SLE HPC 15 SP4 kernel-64kb +5 5.14.21-150400.24.128.1 SUSE-SU-2024:3408-1, SUSE-SU-2024:2929-1
SLE HPC 15 SP4 kernel-default-base 5.14.21-150400.24.128.1.150400.24.62.1 SUSE-SU-2024:3408-1, SUSE-SU-2024:2929-1
SUSE Real Time Module 15 SP6 kernel-rt +2 6.4.0-150600.10.8.3 SUSE-SU-2024:3195-1
SUSE Real Time Module 15 SP6 kernel-syms-rt 6.4.0-150600.10.8.1 SUSE-SU-2024:3195-1
SUSE Real Time Module 15 SP5 kernel-rt +3 5.14.21-150500.13.64.1 SUSE-SU-2024:3209-1, SUSE-SU-2024:2894-1
SUSE Manager Server 4.3 kernel-default-base 5.14.21-150400.24.128.1.150400.24.62.1 SUSE-SU-2024:3408-1, SUSE-SU-2024:2929-1
SUSE Manager Server 4.3 kernel-syms +3 5.14.21-150400.24.128.1 SUSE-SU-2024:3408-1, SUSE-SU-2024:2929-1
SUSE Manager Proxy 4.3 kernel-default-base 5.14.21-150400.24.128.1.150400.24.62.1 SUSE-SU-2024:3408-1, SUSE-SU-2024:2929-1
SUSE Manager Proxy 4.3 kernel-syms +2 5.14.21-150400.24.128.1 SUSE-SU-2024:3408-1, SUSE-SU-2024:2929-1
ReleasePackageFixed inAdvisory
openSUSE Leap 15.6 dtb-aarch64 +10 6.4.0-150600.23.22.1 SUSE-SU-2024:3383-1
openSUSE Leap 15.6 kernel-azure +2 6.4.0-150600.8.11.1 SUSE-SU-2024:3194-1
openSUSE Leap 15.6 kernel-default-base 6.4.0-150600.23.22.1.150600.12.8.3 SUSE-SU-2024:3383-1
openSUSE Leap 15.6 kernel-rt +2 6.4.0-150600.10.8.3 SUSE-SU-2024:3195-1
openSUSE Leap 15.6 kernel-syms-rt 6.4.0-150600.10.8.1 SUSE-SU-2024:3195-1
openSUSE Leap 15.5 dtb-aarch64 +9 5.14.21-150500.55.73.1 SUSE-SU-2024:3483-1, SUSE-SU-2024:2939-1
openSUSE Leap 15.5 kernel-azure +2 5.14.21-150500.33.63.1 SUSE-SU-2024:3190-1, SUSE-SU-2024:2947-1
openSUSE Leap 15.5 kernel-default-base 5.14.21-150500.55.73.1.150500.6.33.8 SUSE-SU-2024:3483-1, SUSE-SU-2024:2939-1
openSUSE Leap 15.5 kernel-docs 5.14.21-150500.55.73.2 SUSE-SU-2024:3483-1, SUSE-SU-2024:2939-1
openSUSE Leap 15.5 kernel-rt +3 5.14.21-150500.13.64.1 SUSE-SU-2024:3209-1, SUSE-SU-2024:2894-1
Show 1 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
openSUSE Leap Micro 5.5 kernel-default 5.14.21-150500.55.73.1 SUSE-SU-2024:3483-1, SUSE-SU-2024:2939-1
openSUSE Leap Micro 5.5 kernel-default-base 5.14.21-150500.55.73.1.150500.6.33.8 SUSE-SU-2024:3483-1, SUSE-SU-2024:2939-1
openSUSE Leap Micro 5.5 kernel-rt 5.14.21-150500.13.64.1 SUSE-SU-2024:3209-1, SUSE-SU-2024:2894-1

Azure Linux

ReleasePackageFixed inAdvisory
Azure Linux 3 kernel 6.6.43.1-7 —

Advisories 39

References