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Unscored CVE-2022-50572 EUVD-2022-55656GHSA-7468-vjg6-f8cm

ASoC: audio-graph-card: fix refcount leak of cpu_ep in __graph_for_each_link()

Published Oct 22, 2025 · 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-6.5 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-5.4 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-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-5.4 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-6.11 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-5.15 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: Debian Ecosystem: Ubuntu

Description

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

ASoC: audio-graph-card: fix refcount leak of cpu_ep in __graph_for_each_link()

The of_get_next_child() returns a node with refcount incremented, and
decrements the refcount of prev. So in the error path of the while loop,
of_node_put() needs be called for cpu_ep.

Affected products

VendorProductAffectedFixed
Linux Linux 5.1 5.4.229

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.

Debian

Security tracker ↗
ReleasePackageFixed inAdvisory
Debian 14 linux 6.1.4-1 —
Debian 13 linux 6.1.4-1 —
Debian 12 linux 6.1.4-1 —

Ubuntu

Security tracker ↗
ReleasePackageFixed inAdvisory
Ubuntu Nvidia-BlueField 22.04 LTS linux-bluefield 5.15.0-1015.17 —
Ubuntu 24.04 LTS linux-riscv +8 No fix yet —
Ubuntu 22.04 LTS linux +1 5.15.0-69.76 —
Ubuntu 22.04 LTS linux-aws 5.15.0-1033.37 —
Ubuntu 22.04 LTS linux-azure 5.15.0-1035.42 —
Ubuntu 22.04 LTS linux-azure-fde 5.15.0-1035.42.1 —
Ubuntu 22.04 LTS linux-gcp 5.15.0-1031.38 —
Ubuntu 22.04 LTS linux-gke +1 5.15.0-1030.35 —
Ubuntu 22.04 LTS linux-gkeop 5.15.0-1017.22 —
Ubuntu 22.04 LTS linux-ibm 5.15.0-1027.30 —
Ubuntu 22.04 LTS linux-intel-iotg 5.15.0-1027.32 —
Ubuntu 22.04 LTS linux-nvidia 5.15.0-1023.23 —
Ubuntu 22.04 LTS linux-oracle 5.15.0-1032.38 —
Ubuntu 22.04 LTS linux-raspi 5.15.0-1026.28 —
Ubuntu 22.04 LTS linux-riscv +32 No fix yet —
Ubuntu 20.04 LTS linux 5.4.0-144.161 —
Ubuntu 20.04 LTS linux-aws 5.4.0-1097.105 —
Ubuntu 20.04 LTS linux-aws-5.15 5.15.0-1033.37~20.04.1 —
Ubuntu 20.04 LTS linux-azure 5.4.0-1104.110 —
Ubuntu 20.04 LTS linux-azure-5.15 5.15.0-1035.42~20.04.1 —
Ubuntu 20.04 LTS linux-bluefield 5.4.0-1059.65 —
Ubuntu 20.04 LTS linux-gcp 5.4.0-1101.110 —
Ubuntu 20.04 LTS linux-gcp-5.15 5.15.0-1031.38~20.04.1 —
Ubuntu 20.04 LTS linux-gke +28 No fix yet —
Ubuntu 20.04 LTS linux-hwe-5.15 +1 5.15.0-69.76~20.04.1 —
Ubuntu 20.04 LTS linux-ibm 5.4.0-1045.50 —
Ubuntu 20.04 LTS linux-intel-iotg-5.15 5.15.0-1027.32~20.04.1 —
Ubuntu 20.04 LTS linux-iot 5.4.0-1013.15 —
Ubuntu 20.04 LTS linux-kvm 5.4.0-1087.93 —
Ubuntu 20.04 LTS linux-nvidia-tegra-5.15 5.15.0-1014.14~20.04.1 —
Ubuntu 20.04 LTS linux-oracle 5.4.0-1094.103 —
Ubuntu 20.04 LTS linux-oracle-5.15 5.15.0-1032.38~20.04.1 —
Ubuntu 20.04 LTS linux-raspi 5.4.0-1081.92 —
Ubuntu 20.04 LTS linux-riscv-5.15 5.15.0-1030.34~20.04.1 —
Ubuntu 20.04 LTS linux-xilinx-zynqmp 5.4.0-1022.26 —
Ubuntu 18.04 LTS linux-aws-5.4 5.4.0-1097.105~18.04.1 —
Ubuntu 18.04 LTS linux-azure-5.4 5.4.0-1104.110~18.04.1 —
Ubuntu 18.04 LTS linux-gcp +14 No fix yet —
Ubuntu 18.04 LTS linux-gcp-5.4 5.4.0-1101.110~18.04.1 —
Ubuntu 18.04 LTS linux-hwe-5.4 5.4.0-144.161~18.04.1 —
Ubuntu 18.04 LTS linux-ibm-5.4 5.4.0-1045.50~18.04.1 —
Ubuntu 18.04 LTS linux-oracle-5.4 5.4.0-1094.103~18.04.1 —
Ubuntu 18.04 LTS linux-raspi-5.4 5.4.0-1081.92~18.04.1 —
Show 4 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 5.15.0-1023.28 —
Ubuntu Pro Realtime 22.04 LTS linux-realtime 5.15.0-1034.37 —
Ubuntu Pro FIPS 20.04 LTS linux-fips +3 No fix yet —
Ubuntu Pro FIPS-updates 20.04 LTS linux-aws-fips 5.4.0-1099.107+fips1 —
Ubuntu Pro FIPS-updates 20.04 LTS linux-azure-fips 5.4.0-1104.110+fips1 —
Ubuntu Pro FIPS-updates 20.04 LTS linux-fips 5.4.0-1073.82 —
Ubuntu Pro FIPS-updates 20.04 LTS linux-gcp-fips 5.4.0-1101.110+fips1 —

SUSE

Security tracker ↗
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
Show 11 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
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 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_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_46 1-150400.9.5.1 SUSE-SU-2025:4111-1
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
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

Advisories 5

References