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Unscored CVE-2022-50327 EUVD-2022-55528GHSA-6xpj-qhg8-8h28

ACPI: processor: idle: Check acpi_fetch_acpi_dev() return value

Published Sep 15, 2025 · Updated Nov 5, 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-5.4 Package: linux-aws-5.8 Package: linux-aws-6.2 Package: linux-aws-6.5 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-6.11 Package: linux-azure-6.2 Package: linux-azure-6.5 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-6.11 Package: linux-gcp-6.2 Package: linux-gcp-6.5 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-6.11 Package: linux-hwe-6.2 Package: linux-hwe-6.5 Package: linux-hwe-edge Package: linux-ibm Package: linux-ibm-5.15 Package: linux-ibm-5.4 Package: linux-intel 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-6.11 Package: linux-lowlatency-hwe-6.2 Package: linux-lowlatency-hwe-6.5 Package: linux-nvidia Package: linux-nvidia-6.2 Package: linux-nvidia-6.5 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-6.11 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-5.4 Package: linux-oracle-5.8 Package: linux-oracle-6.5 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-riscv-6.5 Package: linux-starfive-5.19 Package: linux-starfive-6.2 Package: linux-starfive-6.5 Package: linux-vmware Package: linux-xilinx-zynqmp Platform: Linux Ecosystem: Azure Linux Ecosystem: Debian Ecosystem: Ubuntu

Description

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

ACPI: processor: idle: Check acpi_fetch_acpi_dev() return value

The return value of acpi_fetch_acpi_dev() could be NULL, which would
cause a NULL pointer dereference to occur in acpi_device_hid().

[ rjw: Subject and changelog edits, added empty line after if () ]

Affected products

VendorProductAffectedFixed
Linux Linux 4.8 5.4.297

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 6.1.4-1 —
Debian 13 linux 6.1.4-1 —
Debian 12 linux 6.1.4-1 —
Debian 11 linux 5.10.244-1 DLA-4327-1
ReleasePackageFixed inAdvisory
Ubuntu Nvidia-BlueField 22.04 LTS linux-bluefield 5.15.0-1081.83 —
Ubuntu 24.04 LTS linux-intel +9 No fix yet —
Ubuntu 22.04 LTS linux +1 5.15.0-163.173 USN-7909-1
Ubuntu 22.04 LTS linux-aws 5.15.0-1097.104 USN-7909-1
Ubuntu 22.04 LTS linux-azure 5.15.0-1101.110 USN-7910-2
Ubuntu 22.04 LTS linux-azure-fde 5.15.0-1102.111.1 —
Ubuntu 22.04 LTS linux-gcp 5.15.0-1097.106 USN-7909-4
Ubuntu 22.04 LTS linux-gke 5.15.0-1093.99 USN-7909-4
Ubuntu 22.04 LTS linux-gkeop 5.15.0-1080.88 USN-7909-4
Ubuntu 22.04 LTS linux-ibm +1 5.15.0-1091.94 USN-7909-5, USN-7909-1
Ubuntu 22.04 LTS linux-intel-iotg 5.15.0-1092.98 USN-7909-1
Ubuntu 22.04 LTS linux-kvm 5.15.0-1089.94 USN-7933-1
Ubuntu 22.04 LTS linux-nvidia 5.15.0-1092.93 USN-7909-1
Ubuntu 22.04 LTS linux-nvidia-tegra 5.15.0-1049.49 USN-7909-1
Ubuntu 22.04 LTS linux-nvidia-tegra-igx 5.15.0-1038.38 USN-7909-1
Ubuntu 22.04 LTS linux-oracle 5.15.0-1094.100 USN-7909-1
Ubuntu 22.04 LTS linux-riscv +32 No fix yet —
Ubuntu 22.04 LTS linux-xilinx-zynqmp 5.15.0-1061.65 USN-7909-1
Ubuntu 20.04 LTS linux-gke +28 No fix yet —
Ubuntu 18.04 LTS linux-gcp +14 No fix yet —
Show 12 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
Ubuntu 16.04 LTS linux-hwe-edge No fix yet —
Ubuntu Pro Realtime 22.04 LTS linux-intel-iot-realtime 5.15.0-1089.91 USN-7909-2
Ubuntu Pro Realtime 22.04 LTS linux-realtime 5.15.0-1096.105 USN-7909-2
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 22.04 LTS linux-aws-fips 5.15.0-1097.104+fips1 USN-7909-3
Ubuntu Pro FIPS-updates 22.04 LTS linux-azure-fips 5.15.0-1101.110+fips1 USN-7910-1
Ubuntu Pro FIPS-updates 22.04 LTS linux-fips 5.15.0-163.173+fips1 USN-7909-3
Ubuntu Pro FIPS-updates 22.04 LTS linux-gcp-fips 5.15.0-1097.106+fips1 USN-7909-3
Ubuntu Pro FIPS-updates 20.04 LTS linux-fips +3 No fix yet —
Ubuntu Pro FIPS-updates 18.04 LTS linux-fips +3 No fix yet —
Ubuntu Pro FIPS-preview 22.04 LTS linux-fips +3 No fix yet —
Ubuntu Pro 20.04 LTS linux +10 No fix yet —
Ubuntu Pro 20.04 LTS linux-aws-5.15 5.15.0-1097.104~20.04.1 USN-7909-1
Ubuntu Pro 20.04 LTS linux-azure-5.15 5.15.0-1102.111~20.04.1 USN-7938-1
Ubuntu Pro 20.04 LTS linux-gcp-5.15 5.15.0-1097.106~20.04.1 USN-7909-1
Ubuntu Pro 20.04 LTS linux-hwe-5.15 +1 5.15.0-163.173~20.04.1 USN-7909-1
Ubuntu Pro 20.04 LTS linux-ibm-5.15 5.15.0-1091.94~20.04.1 USN-7909-1
Ubuntu Pro 20.04 LTS linux-intel-iotg-5.15 5.15.0-1092.98~20.04.1 USN-7909-1
Ubuntu Pro 20.04 LTS linux-nvidia-tegra-5.15 5.15.0-1049.49~20.04.1 USN-7909-1
Ubuntu Pro 20.04 LTS linux-oracle-5.15 5.15.0-1094.100~20.04.1 USN-7909-1
Ubuntu Pro 20.04 LTS linux-riscv-5.15 5.15.0-1092.96~20.04.1 —
Ubuntu Pro 18.04 LTS linux +12 No fix yet —
Ubuntu Pro 16.04 LTS linux-gcp +4 No fix yet —
Ubuntu Pro 14.04 LTS linux-azure No fix yet —
ReleasePackageFixed inAdvisory
RHEL 9 bpftool 7.2.0-362.8.1.el9_3 RHSA-2023:6583
RHEL 9 rv +64 5.14.0-362.8.1.el9_3 RHSA-2023:6583
RHEL 8 perf +26 4.18.0-553.el8_10 RHSA-2024:3138

Rocky Linux

Errata ↗
ReleasePackageFixed inAdvisory
Rocky Linux 8 kernel 4.18.0-553.123.1.el8_10.cloud.0.1 RXSA-2024:3138
ReleasePackageFixed inAdvisory
SLES 15 SP5 kernel-64kb +6 5.14.21-150500.55.127.1 SUSE-SU-2025:4320-1
SLES 15 SP5 kernel-default-base 5.14.21-150500.55.127.1.150500.6.61.1 SUSE-SU-2025:4320-1
SLES 15 SP4 kernel-64kb +6 5.14.21-150400.24.184.1 SUSE-SU-2025:4111-1
SLES 15 SP4 kernel-default-base 5.14.21-150400.24.184.1.150400.24.94.2 SUSE-SU-2025:4111-1
SLES 15 SP3 kernel-64kb +5 5.3.18-150300.59.226.2 SUSE-SU-2025:4188-1
SLES 15 SP3 kernel-default-base 5.3.18-150300.59.226.2.150300.18.134.2 SUSE-SU-2025:4188-1
SLES 15 SP3 kernel-docs 5.3.18-150300.59.226.3 SUSE-SU-2025:4188-1
SLES 15 SP3 kernel-syms 5.3.18-150300.59.226.1 SUSE-SU-2025:4188-1
SLES 12 SP5 kernel-syms +2 4.12.14-122.280.1 SUSE-SU-2025:4189-1
Show 17 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
SLES for SAP 15 SP5 kernel-default-base 5.14.21-150500.55.127.1.150500.6.61.1 SUSE-SU-2025:4320-1
SLES for SAP 15 SP5 kernel-docs +4 5.14.21-150500.55.127.1 SUSE-SU-2025:4320-1
SLES for SAP 15 SP4 kernel-default-base 5.14.21-150400.24.184.1.150400.24.94.2 SUSE-SU-2025:4111-1
SLES for SAP 15 SP4 kernel-docs +4 5.14.21-150400.24.184.1 SUSE-SU-2025:4111-1
SLES for SAP 15 SP3 kernel-default-base 5.3.18-150300.59.226.2.150300.18.134.2 SUSE-SU-2025:4188-1
SLES for SAP 15 SP3 kernel-docs 5.3.18-150300.59.226.3 SUSE-SU-2025:4188-1
SLES for SAP 15 SP3 kernel-source +3 5.3.18-150300.59.226.2 SUSE-SU-2025:4188-1
SLES for SAP 15 SP3 kernel-syms 5.3.18-150300.59.226.1 SUSE-SU-2025:4188-1
SLE Micro 5.5 kernel-default-base 5.14.21-150500.55.127.1.150500.6.61.1 SUSE-SU-2025:4320-1
SLE Micro 5.5 kernel-rt +1 5.14.21-150500.13.112.1 SUSE-SU-2025:4149-1
SLE Micro 5.5 kernel-source +1 5.14.21-150500.55.127.1 SUSE-SU-2025:4320-1
SLE Micro 5.4 kernel-default 5.14.21-150400.24.184.1 SUSE-SU-2025:4111-1
SLE Micro 5.4 kernel-default-base 5.14.21-150400.24.184.1.150400.24.94.2 SUSE-SU-2025:4111-1
SLE Micro 5.4 kernel-rt +1 5.14.21-150400.15.136.1 SUSE-SU-2025:4139-1
SLE Micro 5.3 kernel-default 5.14.21-150400.24.184.1 SUSE-SU-2025:4111-1
SLE Micro 5.3 kernel-default-base 5.14.21-150400.24.184.1.150400.24.94.2 SUSE-SU-2025:4111-1
SLE Micro 5.3 kernel-rt +1 5.14.21-150400.15.136.1 SUSE-SU-2025:4139-1
SLE Micro 5.2 kernel-default 5.3.18-150300.59.226.2 SUSE-SU-2025:4188-1
SLE Micro 5.2 kernel-default-base 5.3.18-150300.59.226.2.150300.18.134.2 SUSE-SU-2025:4188-1
SLE Micro 5.2 kernel-rt +1 5.3.18-150300.226.1 SUSE-SU-2025:4135-1
SLE Live Patching 15 SP5 kernel-default 5.14.21-150500.55.127.1 SUSE-SU-2025:4320-1
SLE Live Patching 15 SP5 kernel-livepatch-SLE15-SP5_Update_21 +1 17-150500.2.1 SUSE-SU-2026:0246-1, SUSE-SU-2026:0173-1
SLE Live Patching 15 SP5 kernel-livepatch-SLE15-SP5_Update_23 +1 13-150500.2.1 SUSE-SU-2026:0206-1, SUSE-SU-2026:0180-1
SLE Live Patching 15 SP5 kernel-livepatch-SLE15-SP5_Update_27 11-150500.2.1 SUSE-SU-2026:0184-1
SLE Live Patching 15 SP5 kernel-livepatch-SLE15-SP5_Update_29 8-150500.2.1 SUSE-SU-2026:0186-1
SLE Live Patching 15 SP5 kernel-livepatch-SLE15-SP5_Update_30 5-150500.2.1 SUSE-SU-2026:0187-1
SLE Live Patching 15 SP5 kernel-livepatch-SLE15-SP5_Update_31 3-150500.2.1 SUSE-SU-2026:0188-1
SLE Live Patching 15 SP5 kernel-livepatch-SLE15-SP5_Update_32 1-150500.11.3.1 SUSE-SU-2025:4320-1
SLE Live Patching 15 SP4 kernel-default 5.14.21-150400.24.184.1 SUSE-SU-2025:4111-1
SLE Live Patching 15 SP4 kernel-livepatch-SLE15-SP4_Update_34 19-150400.2.1 SUSE-SU-2026:0174-1
SLE Live Patching 15 SP4 kernel-livepatch-SLE15-SP4_Update_35 18-150400.2.1 SUSE-SU-2026:0166-1
SLE Live Patching 15 SP4 kernel-livepatch-SLE15-SP4_Update_36 13-150400.2.1 SUSE-SU-2026:0163-1
SLE Live Patching 15 SP4 kernel-livepatch-SLE15-SP4_Update_40 12-150400.2.1 SUSE-SU-2026:0168-1
SLE Live Patching 15 SP4 kernel-livepatch-SLE15-SP4_Update_43 7-150400.2.1 SUSE-SU-2026:0191-1
SLE Live Patching 15 SP4 kernel-livepatch-SLE15-SP4_Update_44 6-150400.2.1 SUSE-SU-2026:0176-1
SLE Live Patching 15 SP4 kernel-livepatch-SLE15-SP4_Update_45 4-150400.2.1 SUSE-SU-2026:0185-1
SLE Live Patching 15 SP4 kernel-livepatch-SLE15-SP4_Update_46 1-150400.9.5.1 SUSE-SU-2025:4111-1
SLE Live Patching 15 SP3 kernel-default 5.3.18-150300.59.226.2 SUSE-SU-2025:4188-1
SLE Live Patching 15 SP3 kernel-livepatch-SLE15-SP3_Update_63 1-150300.7.5.2 SUSE-SU-2025:4188-1
SLE Live Patching 12 SP5 kernel-default 4.12.14-122.280.1 SUSE-SU-2025:4189-1
SLE Live Patching 12 SP5 kgraft-patch-SLE12-SP5_Update_63 16-2.1 SUSE-SU-2026:0154-1
SLE Live Patching 12 SP5 kgraft-patch-SLE12-SP5_Update_72 4-2.1 SUSE-SU-2026:0155-1
SLE Live Patching 12 SP5 kgraft-patch-SLE12-SP5_Update_73 2-2.1 SUSE-SU-2026:0200-1
SLE Live Patching 12 SP5 kgraft-patch-SLE12-SP5_Update_74 1-8.5.1 SUSE-SU-2025:4189-1
SLE HPC 15 SP5 kernel-64kb +5 5.14.21-150500.55.127.1 SUSE-SU-2025:4320-1
SLE HPC 15 SP5 kernel-default-base 5.14.21-150500.55.127.1.150500.6.61.1 SUSE-SU-2025:4320-1
SLE HPC 15 SP4 kernel-64kb +5 5.14.21-150400.24.184.1 SUSE-SU-2025:4111-1
SLE HPC 15 SP4 kernel-default-base 5.14.21-150400.24.184.1.150400.24.94.2 SUSE-SU-2025:4111-1
SLE HPC 15 SP3 kernel-64kb +4 5.3.18-150300.59.226.2 SUSE-SU-2025:4188-1
SLE HPC 15 SP3 kernel-default-base 5.3.18-150300.59.226.2.150300.18.134.2 SUSE-SU-2025:4188-1
SLE HPC 15 SP3 kernel-docs 5.3.18-150300.59.226.3 SUSE-SU-2025:4188-1
SLE HPC 15 SP3 kernel-syms 5.3.18-150300.59.226.1 SUSE-SU-2025:4188-1
SUSE Manager Server LTS 4.3 kernel-default-base 5.14.21-150400.24.184.1.150400.24.94.2 SUSE-SU-2025:4111-1
SUSE Manager Server LTS 4.3 kernel-syms +3 5.14.21-150400.24.184.1 SUSE-SU-2025:4111-1
SUSE Manager Proxy LTS 4.3 kernel-default-base 5.14.21-150400.24.184.1.150400.24.94.2 SUSE-SU-2025:4111-1
SUSE Manager Proxy LTS 4.3 kernel-syms +2 5.14.21-150400.24.184.1 SUSE-SU-2025:4111-1
SUSE Enterprise Storage 7.1 kernel-64kb +4 5.3.18-150300.59.226.2 SUSE-SU-2025:4188-1
SUSE Enterprise Storage 7.1 kernel-default-base 5.3.18-150300.59.226.2.150300.18.134.2 SUSE-SU-2025:4188-1
SUSE Enterprise Storage 7.1 kernel-docs 5.3.18-150300.59.226.3 SUSE-SU-2025:4188-1
SUSE Enterprise Storage 7.1 kernel-syms 5.3.18-150300.59.226.1 SUSE-SU-2025:4188-1

Azure Linux

ReleasePackageFixed inAdvisory
Azure Linux 2 (CBL-Mariner) kernel 5.15.200.1-1 —

Advisories 40

References