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OpenAdvisories
High · 7.0 CVE-2024-26734 EUVD-2024-23996GHSA-84hw-www5-5v7p

devlink: fix possible use-after-free and memory leaks in devlink_init()

Published Apr 3, 2024 · Updated Aug 5, 2026 · Assigned by Linux

Vendor: Linux Product: Linux Package: linux Package: linux-allwinner-5.19 Package: linux-aws-5.0 Package: linux-aws-5.11 Package: linux-aws-5.13 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-5.19 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-5.19 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-5.4 Package: linux-hwe Package: linux-hwe-5.11 Package: linux-hwe-5.13 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-intel-5.13 Package: linux-intel-iot-realtime Package: linux-lowlatency-hwe-5.19 Package: linux-lowlatency-hwe-6.2 Package: linux-lowlatency-hwe-6.5 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-5.0 Package: linux-oracle-5.11 Package: linux-oracle-5.13 Package: linux-oracle-5.3 Package: linux-oracle-5.8 Package: linux-oracle-6.5 Package: linux-raspi-realtime Package: linux-raspi2 Package: linux-realtime Package: linux-riscv Package: linux-riscv-5.11 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 Platform: Linux Ecosystem: Debian Ecosystem: Ubuntu

Description

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

devlink: fix possible use-after-free and memory leaks in devlink_init()

The pernet operations structure for the subsystem must be registered
before registering the generic netlink family.

Make an unregister in case of unsuccessful registration.

Affected products

VendorProductAffectedFixed
Linux Linux 6.3 6.6.19

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 6.7.7-1 —
Debian 13 linux 6.7.7-1 —
ReleasePackageFixed inAdvisory
Ubuntu 22.04 LTS linux-aws-6.5 6.5.0-1023.23~22.04.1 USN-6895-3
Ubuntu 22.04 LTS linux-azure-6.5 6.5.0-1024.25~22.04.1 USN-6895-2
Ubuntu 22.04 LTS linux-gcp-6.5 6.5.0-1024.26~22.04.1 USN-6895-2
Ubuntu 22.04 LTS linux-hwe-6.5 6.5.0-44.44~22.04.1 USN-6900-1
Ubuntu 22.04 LTS linux-lowlatency-hwe-6.5 6.5.0-44.44.1~22.04.1 USN-6895-3
Ubuntu 22.04 LTS linux-nvidia-6.5 6.5.0-1023.24 USN-6895-1
Ubuntu 22.04 LTS linux-oem-6.5 6.5.0-1027.28 USN-6895-4
Ubuntu 22.04 LTS linux-oracle-6.5 6.5.0-1026.26~22.04.1 USN-6895-3
Ubuntu 22.04 LTS linux-riscv +23 No fix yet —
Ubuntu 22.04 LTS linux-starfive-6.5 6.5.0-1017.18~22.04.1 USN-6895-3
Ubuntu 20.04 LTS linux-gke +26 No fix yet —
Ubuntu 18.04 LTS linux-gcp +13 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 24.04 LTS linux-raspi-realtime 6.8.0-2002.2 —
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 SP6 kernel-64kb +5 6.4.0-150600.23.17.1 SUSE-SU-2024:2802-1
SLES 15 SP6 kernel-azure +1 6.4.0-150600.8.8.2 SUSE-SU-2024:2896-1
SLES 15 SP6 kernel-default-base 6.4.0-150600.23.17.1.150600.12.6.2 SUSE-SU-2024:2802-1
SLES 15 SP6 kernel-docs 6.4.0-150600.23.17.3 SUSE-SU-2024:2802-1
SLES 15 SP6 kernel-syms-azure 6.4.0-150600.8.8.1 SUSE-SU-2024:2896-1
Show 3 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
SLE Micro 6.0 kernel-default-base 6.4.0-17.1.1.51 SUSE-SU-2025:20008-1
SLE Micro 6.0 kernel-rt +1 6.4.0-9.1 SUSE-SU-2025:20028-1
SLE Micro 6.0 kernel-source +2 6.4.0-18.1 SUSE-SU-2025:20008-1
SLE Live Patching 15 SP6 kernel-default 6.4.0-150600.23.17.1 SUSE-SU-2024:2802-1
SLE Live Patching 15 SP6 kernel-livepatch-SLE15-SP6-RT_Update_1 1-150600.1.5.1 SUSE-SU-2024:2973-1
SLE Live Patching 15 SP6 kernel-livepatch-SLE15-SP6_Update_3 1-150600.13.3.1 SUSE-SU-2024:2802-1
SUSE Real Time Module 15 SP6 kernel-rt +3 6.4.0-150600.10.5.1 SUSE-SU-2024:2973-1
ReleasePackageFixed inAdvisory
openSUSE Leap 15.6 dtb-aarch64 +9 6.4.0-150600.23.17.1 SUSE-SU-2024:2802-1
openSUSE Leap 15.6 kernel-azure +1 6.4.0-150600.8.8.2 SUSE-SU-2024:2896-1
openSUSE Leap 15.6 kernel-default-base 6.4.0-150600.23.17.1.150600.12.6.2 SUSE-SU-2024:2802-1
openSUSE Leap 15.6 kernel-docs 6.4.0-150600.23.17.3 SUSE-SU-2024:2802-1
openSUSE Leap 15.6 kernel-rt +3 6.4.0-150600.10.5.1 SUSE-SU-2024:2973-1
openSUSE Leap 15.6 kernel-syms-azure 6.4.0-150600.8.8.1 SUSE-SU-2024:2896-1

Oracle Linux

ReleasePackageFixed inAdvisory
Oracle Linux 8 bpftool +13 5.15.0-300.163.18.7.el9uek ELSA-2024-12830, ELSA-2024-12796
Oracle Linux 7 kernel-uek +6 5.4.17-2136.336.5.3.1.el8uek ELSA-2024-12884, ELSA-2024-12845
Oracle Linux 7 perf +3 5.4.17-2136.336.5.3.1.el7uek ELSA-2024-12884, ELSA-2024-12845

Advisories 16

References