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Unscored CVE-2022-48672 EUVD-2022-51367GHSA-294m-6544-vprq

of: fdt: fix off-by-one error in unflatten_dt_nodes()

Published May 3, 2024 · Updated May 11, 2026 · Assigned by Linux

Vendor: Linux Product: Linux 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-5.4 Package: linux-aws-5.8 Package: linux-aws-6.2 Package: linux-aws-fips Package: linux-aws-hwe Package: linux-azure Package: linux-azure-4.15 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-5.4 Package: linux-azure-5.8 Package: linux-azure-6.2 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-4.15 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-5.4 Package: linux-gcp-5.8 Package: linux-gcp-6.2 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-5.4 Package: linux-hwe-5.8 Package: linux-hwe-6.2 Package: linux-hwe-edge Package: linux-ibm Package: linux-ibm-5.4 Package: linux-intel-5.13 Package: linux-intel-iot-realtime Package: linux-intel-iotg Package: linux-intel-iotg-5.15 Package: linux-iot 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-nvidia Package: linux-nvidia-6.2 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-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-5.4 Package: linux-oracle-5.8 Package: linux-raspi Package: linux-raspi-5.4 Package: linux-raspi-realtime Package: linux-raspi2 Package: linux-realtime 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-starfive-5.19 Package: linux-starfive-6.2 Package: linux-vmware Platform: Linux Ecosystem: Debian Ecosystem: Ubuntu

Description

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

of: fdt: fix off-by-one error in unflatten_dt_nodes()

Commit 78c44d910d3e ("drivers/of: Fix depth when unflattening devicetree")
forgot to fix up the depth check in the loop body in unflatten_dt_nodes()
which makes it possible to overflow the nps[] buffer...

Found by Linux Verification Center (linuxtesting.org) with the SVACE static
analysis tool.

Affected products

VendorProductAffectedFixed
Linux Linux 4.7 4.14.295

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 5.19.11-1 —
Debian 13 linux 5.19.11-1 —
Debian 12 linux 5.19.11-1 —
ReleasePackageFixed inAdvisory
Ubuntu 24.04 LTS linux-raspi-realtime No fix yet —
Ubuntu 22.04 LTS linux +1 5.15.0-57.63 —
Ubuntu 22.04 LTS linux-aws 5.15.0-1027.31 —
Ubuntu 22.04 LTS linux-azure 5.15.0-1030.37 —
Ubuntu 22.04 LTS linux-azure-fde 5.15.0-1030.37.1 —
Ubuntu 22.04 LTS linux-gcp 5.15.0-1026.33 —
Ubuntu 22.04 LTS linux-gke 5.15.0-1024.29 —
Ubuntu 22.04 LTS linux-gkeop 5.15.0-1012.16 —
Ubuntu 22.04 LTS linux-ibm 5.15.0-1022.25 —
Ubuntu 22.04 LTS linux-intel-iotg 5.15.0-1023.28 —
Ubuntu 22.04 LTS linux-kvm 5.15.0-1025.30 —
Ubuntu 22.04 LTS linux-nvidia 5.15.0-1015.15 —
Ubuntu 22.04 LTS linux-oracle 5.15.0-1026.32 —
Ubuntu 22.04 LTS linux-raspi 5.15.0-1022.24 —
Ubuntu 22.04 LTS linux-riscv +22 No fix yet —
Ubuntu 20.04 LTS linux 5.4.0-136.153 —
Ubuntu 20.04 LTS linux-aws 5.4.0-1093.101 —
Ubuntu 20.04 LTS linux-aws-5.15 +1 5.15.0-1027.31~20.04.1 —
Ubuntu 20.04 LTS linux-azure 5.4.0-1100.106 —
Ubuntu 20.04 LTS linux-azure-5.15 5.15.0-1030.37~20.04.1 —
Ubuntu 20.04 LTS linux-bluefield 5.4.0-1054.60 —
Ubuntu 20.04 LTS linux-gcp 5.4.0-1097.106 —
Ubuntu 20.04 LTS linux-gcp-5.15 5.15.0-1027.34~20.04.1 —
Ubuntu 20.04 LTS linux-gke +26 No fix yet —
Ubuntu 20.04 LTS linux-gkeop 5.4.0-1061.65 —
Ubuntu 20.04 LTS linux-gkeop-5.15 5.15.0-1012.16~20.04.1 —
Ubuntu 20.04 LTS linux-hwe-5.15 5.15.0-57.63~20.04.1 —
Ubuntu 20.04 LTS linux-ibm 5.4.0-1041.46 —
Ubuntu 20.04 LTS linux-intel-iotg-5.15 5.15.0-1023.28~20.04.1 —
Ubuntu 20.04 LTS linux-iot 5.4.0-1010.12 —
Ubuntu 20.04 LTS linux-kvm 5.4.0-1083.89 —
Ubuntu 20.04 LTS linux-lowlatency-hwe-5.15 5.15.0-58.64~20.04.1 —
Ubuntu 20.04 LTS linux-oracle 5.4.0-1091.100 —
Ubuntu 20.04 LTS linux-oracle-5.15 5.15.0-1027.33~20.04.1 —
Ubuntu 20.04 LTS linux-raspi 5.4.0-1078.89 —
Ubuntu 18.04 LTS linux 4.15.0-204.215 —
Ubuntu 18.04 LTS linux-aws 4.15.0-1150.163 —
Ubuntu 18.04 LTS linux-aws-5.4 5.4.0-1093.102~18.04.2 —
Ubuntu 18.04 LTS linux-azure-4.15 4.15.0-1161.176 —
Ubuntu 18.04 LTS linux-azure-5.4 5.4.0-1100.106~18.04.1 —
Ubuntu 18.04 LTS linux-gcp +14 No fix yet —
Ubuntu 18.04 LTS linux-gcp-4.15 4.15.0-1145.161 —
Ubuntu 18.04 LTS linux-gcp-5.4 5.4.0-1097.106~18.04.1 —
Ubuntu 18.04 LTS linux-hwe-5.4 5.4.0-136.153~18.04.1 —
Ubuntu 18.04 LTS linux-ibm-5.4 5.4.0-1041.46~18.04.1 —
Ubuntu 18.04 LTS linux-kvm 4.15.0-1135.140 —
Ubuntu 18.04 LTS linux-oracle 4.15.0-1114.125 —
Ubuntu 18.04 LTS linux-oracle-5.4 5.4.0-1091.100~18.04.1 —
Ubuntu 18.04 LTS linux-raspi-5.4 5.4.0-1078.89~18.04.1 —
Ubuntu 16.04 LTS linux-hwe-edge No fix yet —
Show 7 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
Ubuntu Pro Realtime 22.04 LTS linux-realtime 5.15.0-1029.32 —
Ubuntu Pro FIPS 20.04 LTS linux-fips +3 No fix yet —
Ubuntu Pro FIPS 18.04 LTS linux-fips +3 No fix yet —
Ubuntu Pro FIPS-updates 20.04 LTS linux-aws-fips 5.4.0-1093.101+fips1 —
Ubuntu Pro FIPS-updates 20.04 LTS linux-azure-fips 5.4.0-1100.106+fips1 —
Ubuntu Pro FIPS-updates 20.04 LTS linux-fips 5.4.0-1069.78 —
Ubuntu Pro FIPS-updates 20.04 LTS linux-gcp-fips 5.4.0-1097.106+fips1 —
Ubuntu Pro FIPS-updates 18.04 LTS linux-aws-fips 4.15.0-2089.95 —
Ubuntu Pro FIPS-updates 18.04 LTS linux-azure-fips 4.15.0-2070.76 —
Ubuntu Pro FIPS-updates 18.04 LTS linux-fips 4.15.0-1107.118 —
Ubuntu Pro FIPS-updates 18.04 LTS linux-gcp-fips 4.15.0-2054.59 —
Ubuntu Pro 16.04 LTS linux-aws-hwe 4.15.0-1151.164~16.04.1 —
Ubuntu Pro 16.04 LTS linux-azure 4.15.0-1162.177~16.04.1 —
Ubuntu Pro 16.04 LTS linux-gcp 4.15.0-1146.162~16.04.1 —
Ubuntu Pro 16.04 LTS linux-hwe 4.15.0-206.217~16.04.1 —
Ubuntu Pro 16.04 LTS linux-oracle 4.15.0-1115.126~16.04.1 —
Ubuntu Pro 14.04 LTS linux-azure 4.15.0-1162.177~14.04.1 —
ReleasePackageFixed inAdvisory
RHEL 9 bpftool 7.4.0-503.11.1.el9_5 RHSA-2024:9315
RHEL 9 rv +67 5.14.0-503.11.1.el9_5 RHSA-2024:9315
ReleasePackageFixed inAdvisory
SLES 15 SP5 kernel-64kb +5 5.14.21-150500.55.62.2 SUSE-SU-2024:1659-1
SLES 15 SP5 kernel-azure +2 5.14.21-150500.33.51.1 SUSE-SU-2024:1644-1
SLES 15 SP5 kernel-default-base 5.14.21-150500.55.62.2.150500.6.27.2 SUSE-SU-2024:1659-1
SLES 15 SP5 kernel-syms 5.14.21-150500.55.62.1 SUSE-SU-2024:1659-1
SLES 15 SP4 kernel-64kb +4 5.14.21-150400.24.122.2 SUSE-SU-2024:2189-1
SLES 15 SP4 kernel-default-base 5.14.21-150400.24.122.2.150400.24.58.2 SUSE-SU-2024:2189-1
SLES 15 SP4 kernel-syms +1 5.14.21-150400.24.122.1 SUSE-SU-2024:2189-1
SLES 15 SP3 kernel-64kb +6 5.3.18-150300.59.161.1 SUSE-SU-2024:1642-1
SLES 15 SP3 kernel-default-base 5.3.18-150300.59.161.1.150300.18.94.1 SUSE-SU-2024:1642-1
SLES 15 SP3 kernel-docs 5.3.18-150300.59.161.2 SUSE-SU-2024:1642-1
SLES 12 SP5 kernel-azure +2 4.12.14-16.182.1 SUSE-SU-2024:1643-1
SLES 12 SP5 kernel-docs +4 4.12.14-122.219.1 SUSE-SU-2024:2184-1
Show 19 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
SLES for SAP 15 SP4 kernel-default-base 5.14.21-150400.24.122.2.150400.24.58.2 SUSE-SU-2024:2189-1
SLES for SAP 15 SP4 kernel-docs +2 5.14.21-150400.24.122.2 SUSE-SU-2024:2189-1
SLES for SAP 15 SP4 kernel-syms +1 5.14.21-150400.24.122.1 SUSE-SU-2024:2189-1
SLES for SAP 15 SP3 kernel-default-base 5.3.18-150300.59.161.1.150300.18.94.1 SUSE-SU-2024:1642-1
SLES for SAP 15 SP3 kernel-docs 5.3.18-150300.59.161.2 SUSE-SU-2024:1642-1
SLES for SAP 15 SP3 kernel-syms +4 5.3.18-150300.59.161.1 SUSE-SU-2024:1642-1
SLES for SAP 12 SP5 kernel-azure +2 4.12.14-16.182.1 SUSE-SU-2024:1643-1
SLES for SAP 12 SP5 kernel-syms +2 4.12.14-122.219.1 SUSE-SU-2024:2184-1
SLE Real Time 12 SP5 kernel-rt +3 4.12.14-10.188.1 SUSE-SU-2024:1983-1
SLE Micro 5.5 kernel-default 5.14.21-150500.55.62.2 SUSE-SU-2024:1659-1
SLE Micro 5.5 kernel-default-base 5.14.21-150500.55.62.2.150500.6.27.2 SUSE-SU-2024:1659-1
SLE Micro 5.5 kernel-rt +1 5.14.21-150500.13.52.1 SUSE-SU-2024:1663-1
SLE Micro 5.4 kernel-default 5.14.21-150400.24.122.2 SUSE-SU-2024:2189-1
SLE Micro 5.4 kernel-default-base 5.14.21-150400.24.122.2.150400.24.58.2 SUSE-SU-2024:2189-1
SLE Micro 5.4 kernel-rt +1 5.14.21-150400.15.82.1 SUSE-SU-2025:0231-1, SUSE-SU-2024:2011-1
SLE Micro 5.3 kernel-default 5.14.21-150400.24.122.2 SUSE-SU-2024:2189-1
SLE Micro 5.3 kernel-default-base 5.14.21-150400.24.122.2.150400.24.58.2 SUSE-SU-2024:2189-1
SLE Micro 5.3 kernel-rt +1 5.14.21-150400.15.82.1 SUSE-SU-2025:0231-1, SUSE-SU-2024:2011-1
SLE Micro 5.2 kernel-default 5.3.18-150300.59.161.1 SUSE-SU-2024:1642-1
SLE Micro 5.2 kernel-default-base 5.3.18-150300.59.161.1.150300.18.94.1 SUSE-SU-2024:1642-1
SLE Micro 5.2 kernel-rt +1 5.3.18-150300.169.1 SUSE-SU-2024:1645-1
SLE Micro 5.1 kernel-default 5.3.18-150300.59.161.1 SUSE-SU-2024:1642-1
SLE Micro 5.1 kernel-default-base 5.3.18-150300.59.161.1.150300.18.94.1 SUSE-SU-2024:1642-1
SLE Micro 5.1 kernel-rt +1 5.3.18-150300.169.1 SUSE-SU-2024:1645-1
SLE Live Patching 15 SP5 kernel-default 5.14.21-150500.55.62.2 SUSE-SU-2024:1659-1
SLE Live Patching 15 SP5 kernel-livepatch-SLE15-SP5-RT_Update_14 1-150500.11.5.1 SUSE-SU-2024:1663-1
SLE Live Patching 15 SP5 kernel-livepatch-SLE15-SP5_Update_13 1-150500.11.3.2 SUSE-SU-2024:1659-1
SLE Live Patching 15 SP4 kernel-default 5.14.21-150400.24.122.2 SUSE-SU-2024:2189-1
SLE Live Patching 15 SP4 kernel-livepatch-SLE15-SP4_Update_27 1-150400.9.3.2 SUSE-SU-2024:2189-1
SLE Live Patching 15 SP3 kernel-default 5.3.18-150300.59.161.1 SUSE-SU-2024:1642-1
SLE Live Patching 15 SP3 kernel-livepatch-SLE15-SP3_Update_44 1-150300.7.3.1 SUSE-SU-2024:1642-1
SLE Live Patching 12 SP5 kernel-default 4.12.14-122.219.1 SUSE-SU-2024:2184-1
SLE Live Patching 12 SP5 kgraft-patch-SLE12-SP5_Update_57 1-8.3.1 SUSE-SU-2024:2184-1
SLE HPC 15 SP4 kernel-64kb +3 5.14.21-150400.24.122.2 SUSE-SU-2024:2189-1
SLE HPC 15 SP4 kernel-default-base 5.14.21-150400.24.122.2.150400.24.58.2 SUSE-SU-2024:2189-1
SLE HPC 15 SP4 kernel-syms +1 5.14.21-150400.24.122.1 SUSE-SU-2024:2189-1
SLE HPC 15 SP3 kernel-64kb +5 5.3.18-150300.59.161.1 SUSE-SU-2024:1642-1
SLE HPC 15 SP3 kernel-default-base 5.3.18-150300.59.161.1.150300.18.94.1 SUSE-SU-2024:1642-1
SLE HPC 15 SP3 kernel-docs 5.3.18-150300.59.161.2 SUSE-SU-2024:1642-1
SUSE Real Time Module 15 SP5 kernel-rt +3 5.14.21-150500.13.52.1 SUSE-SU-2024:1663-1
SUSE Manager Server 4.3 kernel-default +1 5.14.21-150400.24.122.2 SUSE-SU-2024:2189-1
SUSE Manager Server 4.3 kernel-default-base 5.14.21-150400.24.122.2.150400.24.58.2 SUSE-SU-2024:2189-1
SUSE Manager Server 4.3 kernel-syms +1 5.14.21-150400.24.122.1 SUSE-SU-2024:2189-1
SUSE Manager Proxy 4.3 kernel-default 5.14.21-150400.24.122.2 SUSE-SU-2024:2189-1
SUSE Manager Proxy 4.3 kernel-default-base 5.14.21-150400.24.122.2.150400.24.58.2 SUSE-SU-2024:2189-1
SUSE Manager Proxy 4.3 kernel-syms +1 5.14.21-150400.24.122.1 SUSE-SU-2024:2189-1
SUSE Enterprise Storage 7.1 kernel-64kb +5 5.3.18-150300.59.161.1 SUSE-SU-2024:1642-1
SUSE Enterprise Storage 7.1 kernel-default-base 5.3.18-150300.59.161.1.150300.18.94.1 SUSE-SU-2024:1642-1
SUSE Enterprise Storage 7.1 kernel-docs 5.3.18-150300.59.161.2 SUSE-SU-2024:1642-1
ReleasePackageFixed inAdvisory
openSUSE Leap 15.5 dtb-aarch64 +2 5.14.21-150500.55.62.1 SUSE-SU-2024:1659-1
openSUSE Leap 15.5 kernel-64kb +7 5.14.21-150500.55.62.2 SUSE-SU-2024:1659-1
openSUSE Leap 15.5 kernel-azure +2 5.14.21-150500.33.51.1 SUSE-SU-2024:1644-1
openSUSE Leap 15.5 kernel-default-base 5.14.21-150500.55.62.2.150500.6.27.2 SUSE-SU-2024:1659-1
openSUSE Leap 15.5 kernel-rt +3 5.14.21-150500.13.52.1 SUSE-SU-2024:1663-1
Show 2 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
openSUSE Leap Micro 5.4 kernel-default 5.14.21-150400.24.122.2 SUSE-SU-2024:2189-1
openSUSE Leap Micro 5.4 kernel-default-base 5.14.21-150400.24.122.2.150400.24.58.2 SUSE-SU-2024:2189-1
openSUSE Leap Micro 5.4 kernel-rt 5.14.21-150400.15.82.1 SUSE-SU-2024:2011-1
openSUSE Leap Micro 5.3 kernel-default 5.14.21-150400.24.122.2 SUSE-SU-2024:2189-1
openSUSE Leap Micro 5.3 kernel-default-base 5.14.21-150400.24.122.2.150400.24.58.2 SUSE-SU-2024:2189-1
openSUSE Leap Micro 5.3 kernel-rt 5.14.21-150400.15.82.1 SUSE-SU-2024:2011-1

Amazon Linux

ReleasePackageFixed inAdvisory
Amazon Linux 2 kernel-livepatch-4.14.296-222.539 1.0-0.amzn2 ALAS2-2022-1876
Amazon Linux 2 perf +8 4.14.296-222.539.amzn2 ALAS2-2022-1876

Oracle Linux

ReleasePackageFixed inAdvisory
Oracle Linux 9 bpftool 7.4.0-503.11.1.el9_5 ELSA-2024-9315
Oracle Linux 9 rv +28 5.14.0-503.11.1.el9_5 ELSA-2024-9315

Advisories 15

References