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High · 7.8 CVE-2023-52923 EUVD-2023-59443GHSA-f2qv-j847-m6vp

netfilter: nf_tables: adapt set backend to use GC transaction API

Published Jan 20, 2025 · Updated Aug 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-5.4 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-6.2 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-6.2 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-6.2 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-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-lowlatency-hwe-6.5 Package: linux-lts-xenial 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-6.5 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-5.4 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:

netfilter: nf_tables: adapt set backend to use GC transaction API

Use the GC transaction API to replace the old and buggy gc API and the
busy mark approach.

No set elements are removed from async garbage collection anymore,
instead the _DEAD bit is set on so the set element is not visible from
lookup path anymore. Async GC enqueues transaction work that might be
aborted and retried later.

rbtree and pipapo set backends does not set on the _DEAD bit from the
sync GC path since this runs in control plane path where mutex is held.
In this case, set elements are deactivated, removed and then released
via RCU callback, sync GC never fails.

Affected products

VendorProductAffectedFixed
Linux Linux 4.1 4.19.316

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 6.4.11-1 —
Debian 13 linux 6.4.11-1 —
Debian 12 linux 6.1.64-1 —
ReleasePackageFixed inAdvisory
Ubuntu Nvidia-BlueField 22.04 LTS linux-bluefield 5.15.0-1028.30 —
Ubuntu 24.04 LTS linux-raspi-realtime No fix yet —
Ubuntu 22.04 LTS linux 5.15.0-87.97 —
Ubuntu 22.04 LTS linux-aws 5.15.0-1048.53 —
Ubuntu 22.04 LTS linux-azure 5.15.0-1050.57 —
Ubuntu 22.04 LTS linux-azure-fde 5.15.0-1050.57.1 —
Ubuntu 22.04 LTS linux-gcp 5.15.0-1045.53 —
Ubuntu 22.04 LTS linux-gke +1 5.15.0-1045.50 —
Ubuntu 22.04 LTS linux-gkeop 5.15.0-1031.37 —
Ubuntu 22.04 LTS linux-ibm +1 5.15.0-1041.44 —
Ubuntu 22.04 LTS linux-intel-iotg 5.15.0-1043.49 —
Ubuntu 22.04 LTS linux-lowlatency 5.15.0-87.96 —
Ubuntu 22.04 LTS linux-nvidia 5.15.0-1039.39 —
Ubuntu 22.04 LTS linux-nvidia-tegra 5.15.0-1019.19 —
Ubuntu 22.04 LTS linux-nvidia-tegra-igx 5.15.0-1006.6 —
Ubuntu 22.04 LTS linux-oracle 5.15.0-1046.52 —
Ubuntu 22.04 LTS linux-riscv +31 No fix yet —
Ubuntu 22.04 LTS linux-xilinx-zynqmp 5.15.0-1025.29 —
Ubuntu 20.04 LTS linux 5.4.0-173.191 —
Ubuntu 20.04 LTS linux-aws 5.4.0-1120.130 —
Ubuntu 20.04 LTS linux-aws-5.15 5.15.0-1048.53~20.04.1 —
Ubuntu 20.04 LTS linux-azure 5.4.0-1126.133 —
Ubuntu 20.04 LTS linux-azure-5.15 5.15.0-1050.57~20.04.1 —
Ubuntu 20.04 LTS linux-bluefield 5.4.0-1080.87 —
Ubuntu 20.04 LTS linux-gcp 5.4.0-1124.133 —
Ubuntu 20.04 LTS linux-gcp-5.15 5.15.0-1045.53~20.04.2 —
Ubuntu 20.04 LTS linux-gke +28 No fix yet —
Ubuntu 20.04 LTS linux-hwe-5.15 5.15.0-87.97~20.04.1 —
Ubuntu 20.04 LTS linux-ibm 5.4.0-1067.72 —
Ubuntu 20.04 LTS linux-ibm-5.15 5.15.0-1041.44~20.04.1 —
Ubuntu 20.04 LTS linux-intel-iotg-5.15 5.15.0-1043.49~20.04.1 —
Ubuntu 20.04 LTS linux-iot 5.4.0-1032.33 —
Ubuntu 20.04 LTS linux-kvm 5.4.0-1108.115 —
Ubuntu 20.04 LTS linux-lowlatency-hwe-5.15 5.15.0-87.96~20.04.1 —
Ubuntu 20.04 LTS linux-nvidia-tegra-5.15 5.15.0-1019.19~20.04.1 —
Ubuntu 20.04 LTS linux-oracle 5.4.0-1119.128 —
Ubuntu 20.04 LTS linux-oracle-5.15 5.15.0-1046.52~20.04.1 —
Ubuntu 20.04 LTS linux-raspi 5.4.0-1104.116 —
Ubuntu 20.04 LTS linux-riscv-5.15 5.15.0-1044.48~20.04.1 —
Ubuntu 20.04 LTS linux-xilinx-zynqmp 5.4.0-1039.43 —
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 5.15.0-1041.43 —
Ubuntu Pro Realtime 22.04 LTS linux-realtime 5.15.0-1049.55 —
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 16.04 LTS linux-fips No fix yet —
Ubuntu Pro FIPS-updates 20.04 LTS linux-aws-fips 5.4.0-1120.130+fips1 —
Ubuntu Pro FIPS-updates 20.04 LTS linux-azure-fips 5.4.0-1126.133+fips1 —
Ubuntu Pro FIPS-updates 20.04 LTS linux-fips 5.4.0-1094.104 —
Ubuntu Pro FIPS-updates 20.04 LTS linux-gcp-fips 5.4.0-1124.133+fips1 —
Ubuntu Pro FIPS-updates 18.04 LTS linux-fips +3 No fix yet —
Ubuntu Pro FIPS-updates 16.04 LTS linux-fips No fix yet —
Ubuntu Pro FIPS-preview 22.04 LTS linux-fips No fix yet —
Ubuntu Pro 18.04 LTS linux +5 No fix yet —
Ubuntu Pro 18.04 LTS linux-aws-5.4 5.4.0-1120.130~18.04.1 —
Ubuntu Pro 18.04 LTS linux-azure-5.4 5.4.0-1126.133~18.04.1 —
Ubuntu Pro 18.04 LTS linux-gcp-5.4 5.4.0-1124.133~18.04.1 —
Ubuntu Pro 18.04 LTS linux-hwe-5.4 5.4.0-173.191~18.04.1 —
Ubuntu Pro 18.04 LTS linux-ibm-5.4 5.4.0-1067.72~18.04.1 —
Ubuntu Pro 18.04 LTS linux-oracle-5.4 5.4.0-1119.128~18.04.1 —
Ubuntu Pro 18.04 LTS linux-raspi-5.4 5.4.0-1104.116~18.04.1 —
Ubuntu Pro 16.04 LTS linux +7 No fix yet —
Ubuntu Pro 14.04 LTS linux-aws +2 No fix yet —
ReleasePackageFixed inAdvisory
SLES 15 SP6 kernel-64kb +6 6.4.0-150600.23.38.1 SUSE-SU-2025:0499-1
SLES 15 SP6 kernel-azure +2 6.4.0-150600.8.26.1 SUSE-SU-2025:0428-1
SLES 15 SP6 kernel-coco +3 6.4.0-15061.12.coco15sp6.1 SUSE-SU-2025:0289-1
SLES 15 SP6 kernel-default-base 6.4.0-150600.23.38.1.150600.12.16.2 SUSE-SU-2025:0499-1
SLES 15 SP5 kernel-64kb +6 5.14.21-150500.55.116.1 SUSE-SU-2026:0474-1, SUSE-SU-2025:4320-1, SUSE-SU-2025:03615-1
SLES 15 SP5 kernel-default-base 5.14.21-150500.55.116.1.150500.6.55.1 SUSE-SU-2026:0474-1, SUSE-SU-2025:4320-1, SUSE-SU-2025:03615-1
SLES 15 SP4 kernel-64kb +6 5.14.21-150400.24.173.1 SUSE-SU-2026:0617-1, SUSE-SU-2025:4111-1, SUSE-SU-2025:03628-1
SLES 15 SP4 kernel-default-base 5.14.21-150400.24.173.1.150400.24.88.1 SUSE-SU-2026:0617-1, SUSE-SU-2025:4111-1, SUSE-SU-2025:03628-1
SLES 15 SP3 kernel-64kb +7 5.3.18-150300.59.195.1 SUSE-SU-2025:0771-1, SUSE-SU-2025:02848-1
SLES 15 SP3 kernel-default-base 5.3.18-150300.59.195.1.150300.18.116.1 SUSE-SU-2025:0771-1, SUSE-SU-2025:02848-1
Show 21 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
SLES for SAP 15 SP5 kernel-default-base 5.14.21-150500.55.116.1.150500.6.55.1 SUSE-SU-2026:0474-1, SUSE-SU-2025:4320-1, SUSE-SU-2025:03615-1
SLES for SAP 15 SP5 kernel-docs +4 5.14.21-150500.55.116.1 SUSE-SU-2026:0474-1, SUSE-SU-2025:4320-1, SUSE-SU-2025:03615-1
SLES for SAP 15 SP4 kernel-default-base 5.14.21-150400.24.173.1.150400.24.88.1 SUSE-SU-2026:0617-1, SUSE-SU-2025:4111-1, SUSE-SU-2025:03628-1
SLES for SAP 15 SP4 kernel-docs +4 5.14.21-150400.24.173.1 SUSE-SU-2026:0617-1, SUSE-SU-2025:4111-1, SUSE-SU-2025:03628-1
SLES for SAP 15 SP3 kernel-default-base 5.3.18-150300.59.195.1.150300.18.116.1 SUSE-SU-2025:0771-1
SLES for SAP 15 SP3 kernel-docs +5 5.3.18-150300.59.195.1 SUSE-SU-2025:0771-1
SLE Micro 6.1 kernel-default-base 6.4.0-24.1.21.4 SUSE-SU-2025:20248-1
SLE Micro 6.1 kernel-livepatch-MICRO-6-0-RT_Update_5 1-1.1 SUSE-SU-2025:20249-1
SLE Micro 6.1 kernel-livepatch-MICRO-6-0_Update_5 1-1.2 SUSE-SU-2025:20248-1
SLE Micro 6.1 kernel-rt +4 6.4.0-25.1 SUSE-SU-2025:20249-1, SUSE-SU-2025:20248-1
SLE Micro 6.0 kernel-default-base 6.4.0-24.1.21.4 SUSE-SU-2025:20165-1
SLE Micro 6.0 kernel-livepatch-MICRO-6-0-RT_Update_5 1-1.1 SUSE-SU-2025:20166-1
SLE Micro 6.0 kernel-livepatch-MICRO-6-0_Update_5 1-1.2 SUSE-SU-2025:20165-1
SLE Micro 6.0 kernel-rt +4 6.4.0-25.1 SUSE-SU-2025:20166-1, SUSE-SU-2025:20165-1
SLE Micro 5.5 kernel-default-base 5.14.21-150500.55.116.1.150500.6.55.1 SUSE-SU-2026:0474-1, SUSE-SU-2025:4320-1, SUSE-SU-2025:03615-1
SLE Micro 5.5 kernel-rt +1 5.14.21-150500.13.103.2 SUSE-SU-2026:0496-1, SUSE-SU-2025:4149-1, SUSE-SU-2025:3761-1
SLE Micro 5.5 kernel-source +1 5.14.21-150500.55.116.1 SUSE-SU-2026:0474-1, SUSE-SU-2025:4320-1, SUSE-SU-2025:03615-1
SLE Micro 5.4 kernel-default 5.14.21-150400.24.173.1 SUSE-SU-2026:0617-1, SUSE-SU-2025:4111-1, SUSE-SU-2025:03628-1
SLE Micro 5.4 kernel-default-base 5.14.21-150400.24.173.1.150400.24.88.1 SUSE-SU-2026:0617-1, SUSE-SU-2025:4111-1, SUSE-SU-2025:03628-1
SLE Micro 5.4 kernel-rt +1 5.14.21-150400.15.127.1 SUSE-SU-2026:1131-1, SUSE-SU-2025:4139-1, SUSE-SU-2025:3716-1
SLE Micro 5.3 kernel-default 5.14.21-150400.24.173.1 SUSE-SU-2026:0617-1, SUSE-SU-2025:4111-1, SUSE-SU-2025:03628-1
SLE Micro 5.3 kernel-default-base 5.14.21-150400.24.173.1.150400.24.88.1 SUSE-SU-2026:0617-1, SUSE-SU-2025:4111-1, SUSE-SU-2025:03628-1
SLE Micro 5.3 kernel-rt +1 5.14.21-150400.15.127.1 SUSE-SU-2026:1131-1, SUSE-SU-2025:4139-1, SUSE-SU-2025:3716-1
SLE Micro 5.2 kernel-default 5.3.18-150300.59.195.1 SUSE-SU-2026:0475-1, SUSE-SU-2025:0771-1, SUSE-SU-2025:02848-1
SLE Micro 5.2 kernel-default-base 5.3.18-150300.59.195.1.150300.18.116.1 SUSE-SU-2026:0475-1, SUSE-SU-2025:0771-1, SUSE-SU-2025:02848-1
SLE Micro 5.2 kernel-rt +1 5.3.18-150300.202.1 SUSE-SU-2026:0495-1, SUSE-SU-2025:0867-1
SLE Micro 5.1 kernel-default 5.3.18-150300.59.195.1 SUSE-SU-2025:0771-1, SUSE-SU-2025:02848-1
SLE Micro 5.1 kernel-default-base 5.3.18-150300.59.195.1.150300.18.116.1 SUSE-SU-2025:0771-1, SUSE-SU-2025:02848-1
SLE Micro 5.1 kernel-rt +1 5.3.18-150300.202.1 SUSE-SU-2025:0867-1
SLE Live Patching 15 SP6 kernel-default 6.4.0-150600.23.38.1 SUSE-SU-2025:0499-1
SLE Live Patching 15 SP6 kernel-livepatch-SLE15-SP6-RT_Update_8 1-150600.1.3.1 SUSE-SU-2025:0557-1
SLE Live Patching 15 SP6 kernel-livepatch-SLE15-SP6_Update_8 1-150600.13.3.2 SUSE-SU-2025:0499-1
SLE Live Patching 15 SP5 kernel-default 5.14.21-150500.55.116.1 SUSE-SU-2026:0474-1, SUSE-SU-2025:4320-1, SUSE-SU-2025:03615-1
SLE Live Patching 15 SP5 kernel-livepatch-SLE15-SP5_Update_29 +3 1-150500.11.3.1 SUSE-SU-2026:0474-1, SUSE-SU-2025:4320-1, SUSE-SU-2025:03615-1
SLE Live Patching 15 SP4 kernel-default 5.14.21-150400.24.173.1 SUSE-SU-2026:0617-1, SUSE-SU-2025:4111-1, SUSE-SU-2025:03628-1
SLE Live Patching 15 SP4 kernel-livepatch-SLE15-SP4_Update_43 +1 1-150400.9.3.1 SUSE-SU-2025:03628-1, SUSE-SU-2025:02849-1
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 SP4 kernel-livepatch-SLE15-SP4_Update_48 1-150400.9.7.1 SUSE-SU-2026:0617-1
SLE Live Patching 15 SP3 kernel-default 5.3.18-150300.59.195.1 SUSE-SU-2025:0771-1, SUSE-SU-2025:02848-1
SLE Live Patching 15 SP3 kernel-livepatch-SLE15-SP3_Update_54 +1 1-150300.7.3.1 SUSE-SU-2025:0771-1, SUSE-SU-2025:02848-1
SLE HPC 15 SP5 kernel-64kb +5 5.14.21-150500.55.116.1 SUSE-SU-2026:0474-1, SUSE-SU-2025:4320-1, SUSE-SU-2025:03615-1
SLE HPC 15 SP5 kernel-default-base 5.14.21-150500.55.116.1.150500.6.55.1 SUSE-SU-2026:0474-1, SUSE-SU-2025:4320-1, SUSE-SU-2025:03615-1
SLE HPC 15 SP4 kernel-64kb +5 5.14.21-150400.24.173.1 SUSE-SU-2026:0617-1, SUSE-SU-2025:4111-1, SUSE-SU-2025:03628-1
SLE HPC 15 SP4 kernel-default-base 5.14.21-150400.24.173.1.150400.24.88.1 SUSE-SU-2026:0617-1, SUSE-SU-2025:4111-1, SUSE-SU-2025:03628-1
SLE HPC 15 SP3 kernel-64kb +6 5.3.18-150300.59.195.1 SUSE-SU-2025:0771-1
SLE HPC 15 SP3 kernel-default-base 5.3.18-150300.59.195.1.150300.18.116.1 SUSE-SU-2025:0771-1
SUSE Real Time Module 15 SP6 kernel-rt +3 6.4.0-150600.10.26.1 SUSE-SU-2025:0557-1
SUSE Manager Server LTS 4.3 kernel-default-base 5.14.21-150400.24.173.1.150400.24.88.1 SUSE-SU-2025:4111-1, SUSE-SU-2025:03628-1, SUSE-SU-2025:02849-1
SUSE Manager Server LTS 4.3 kernel-syms +3 5.14.21-150400.24.173.1 SUSE-SU-2025:4111-1, SUSE-SU-2025:03628-1, SUSE-SU-2025:02849-1
SUSE Manager Proxy LTS 4.3 kernel-default-base 5.14.21-150400.24.173.1.150400.24.88.1 SUSE-SU-2025:4111-1, SUSE-SU-2025:03628-1, SUSE-SU-2025:02849-1
SUSE Manager Proxy LTS 4.3 kernel-syms +2 5.14.21-150400.24.173.1 SUSE-SU-2025:4111-1, SUSE-SU-2025:03628-1, SUSE-SU-2025:02849-1
SUSE Enterprise Storage 7.1 kernel-64kb +6 5.3.18-150300.59.195.1 SUSE-SU-2025:0771-1, SUSE-SU-2025:02848-1
SUSE Enterprise Storage 7.1 kernel-default-base 5.3.18-150300.59.195.1.150300.18.116.1 SUSE-SU-2025:0771-1, SUSE-SU-2025:02848-1
ReleasePackageFixed inAdvisory
openSUSE Leap 15.6 dtb-aarch64 +10 6.4.0-150600.23.38.1 SUSE-SU-2025:0499-1
openSUSE Leap 15.6 kernel-azure +2 6.4.0-150600.8.26.1 SUSE-SU-2025:0428-1
openSUSE Leap 15.6 kernel-default-base 6.4.0-150600.23.38.1.150600.12.16.2 SUSE-SU-2025:0499-1
openSUSE Leap 15.6 kernel-rt +3 6.4.0-150600.10.26.1 SUSE-SU-2025:0557-1

Amazon Linux

ReleasePackageFixed inAdvisory
Amazon Linux 2023 kernel-livepatch-6.1.56-82.125 1.0-0.amzn2023 ALAS2023-2023-385
Amazon Linux 2023 perf +13 6.1.56-82.125.amzn2023 ALAS2023-2023-385

Advisories 31

References