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Unscored CVE-2022-50042 EUVD-2022-55313GHSA-9rc4-73xm-7x5m

net: genl: fix error path memory leak in policy dumping

Published Jun 18, 2025 · Updated Nov 5, 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-5.8 Package: linux-aws-6.2 Package: linux-aws-6.5 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-edge Package: linux-azure-fde Package: linux-azure-fde-5.19 Package: linux-azure-fde-6.2 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-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-edge Package: linux-ibm 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-nvidia Package: linux-nvidia-6.2 Package: linux-nvidia-6.5 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-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-raspi 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 Platform: Linux Ecosystem: Debian Ecosystem: Ubuntu

Description

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

net: genl: fix error path memory leak in policy dumping

If construction of the array of policies fails when recording
non-first policy we need to unwind.

netlink_policy_dump_add_policy() itself also needs fixing as
it currently gives up on error without recording the allocated
pointer in the pstate pointer.

Affected products

VendorProductAffectedFixed
Linux Linux 5.10 5.10.138

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 6.0.2-1 —
Debian 13 linux 6.0.2-1 —
Debian 12 linux 6.0.2-1 —
ReleasePackageFixed inAdvisory
Ubuntu 24.04 LTS linux-riscv +2 No fix yet —
Ubuntu 22.04 LTS linux +1 5.15.0-53.59 —
Ubuntu 22.04 LTS linux-aws 5.15.0-1023.27 —
Ubuntu 22.04 LTS linux-azure 5.15.0-1023.29 —
Ubuntu 22.04 LTS linux-azure-fde 5.15.0-1024.30.1 —
Ubuntu 22.04 LTS linux-gcp 5.15.0-1022.29 —
Ubuntu 22.04 LTS linux-gke 5.15.0-1020.25 —
Ubuntu 22.04 LTS linux-gkeop 5.15.0-1008.12 —
Ubuntu 22.04 LTS linux-ibm 5.15.0-1018.21 —
Ubuntu 22.04 LTS linux-intel-iotg 5.15.0-1018.23 —
Ubuntu 22.04 LTS linux-kvm 5.15.0-1021.26 —
Ubuntu 22.04 LTS linux-nvidia 5.15.0-1015.15 —
Ubuntu 22.04 LTS linux-oracle 5.15.0-1022.28 —
Ubuntu 22.04 LTS linux-raspi 5.15.0-1018.20 —
Ubuntu 22.04 LTS linux-riscv +32 No fix yet —
Ubuntu 20.04 LTS linux-aws-5.15 +1 5.15.0-1023.27~20.04.1 —
Ubuntu 20.04 LTS linux-azure-5.15 5.15.0-1023.29~20.04.1 —
Ubuntu 20.04 LTS linux-gcp-5.15 5.15.0-1022.29~20.04.1 —
Ubuntu 20.04 LTS linux-gke +28 No fix yet —
Ubuntu 20.04 LTS linux-hwe-5.15 +1 5.15.0-53.59~20.04.1 —
Ubuntu 20.04 LTS linux-intel-iotg-5.15 5.15.0-1018.23~20.04.1 —
Ubuntu 20.04 LTS linux-oracle-5.15 5.15.0-1022.28~20.04.1 —
Ubuntu 18.04 LTS linux-gcp +14 No fix yet —
Ubuntu 16.04 LTS linux-hwe-edge No fix yet —
Show 1 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
Ubuntu Pro Realtime 22.04 LTS linux-realtime 5.15.0-1025.28 —
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 4.18.0-348.el8 RHSA-2021:4356
Show 1 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
RHEL 9.2 EUS bpftool 7.0.0-284.40.1.el9_2 RHSA-2023:7370
RHEL 9.2 EUS perf +48 5.14.0-284.40.1.el9_2 RHSA-2023:7370

Advisories 4

References