net/netfilter/nfnetlink_cthelper.c in the Linux kernel through 4.14.4 does not require the CAP_NET_ADMIN capability for new, get, and del operations, which allows local users to bypass intended access restrictions because the nfnl_cthelper_list data structure is shared across all net namespaces.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon_linux | — | Upgrade kernel | Feb 1, 2018 | Dec 6, 2017 |
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | Dec 7, 2017 |
| Centos_linux | — | Upgrade kernelUpgrade kernel-rt | Aug 28, 2019 | Dec 7, 2017 |
| Debian | — | Upgrade linux | Dec 24, 2017 | Dec 6, 2017 |
| F5 Big Ip | — | Update F5 BIG-IP to the latest version | Jun 17, 2026 | Mar 30, 2018 |
| Huawei Euleros 2_0_sp1 | — | Upgrade perfUpgrade kernel-develUpgrade kernel-debuginfoUpgrade kernel-debugUpgrade kernelUpgrade kernel-headersUpgrade kernel-toolsUpgrade python-perfUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-tools-libs | Jan 30, 2018 | Dec 6, 2017 |
| Huawei Euleros 2_0_sp2 | — | Upgrade kernel-toolsUpgrade kernel-debuginfo-common-x86_64Upgrade python-perfUpgrade kernel-debuginfoUpgrade kernel-debugUpgrade kernel-headersUpgrade perfUpgrade kernelUpgrade kernel-develUpgrade kernel-debug-develUpgrade kernel-tools-libs | Jan 19, 2018 | Dec 6, 2017 |
| Oracle_linux | — | Upgrade kernel-uekUpgrade kernel | Apr 19, 2018 | Dec 3, 2017 |
| Redhat_linux | — | Upgrade kernelUpgrade kernel-rt | Apr 11, 2018 | Dec 6, 2017 |
| Suse | — | Upgrade kernel-obs-buildUpgrade kernel-azure-baseUpgrade kernel-source-azureUpgrade kernel-default-extraUpgrade kernel-defaultUpgrade kernel-default-manUpgrade kernel-devel-azureUpgrade kernel-docs | Dec 20, 2017 | Dec 6, 2017 |
| Ubuntu | — | Upgrade linux-image-awsUpgrade linux-image-4.4.0-1088-snapdragonUpgrade linux-image-generic-lpae-hwe-16.04Upgrade linux-image-powerpc64-smp-lts-xenialUpgrade linux-image-4.13.0-38-genericUpgrade linux-image-powerpc-e500Upgrade linux-image-generic-lpae-lts-xenialUpgrade linux-image-4.4.0-119-powerpc-e500mcUpgrade linux-image-4.4.0-1086-raspi2Upgrade linux-image-lowlatencyUpgrade linux-image-4.13.0-38-lowlatencyUpgrade linux-image-powerpc64-emb-lts-xenialUpgrade linux-image-4.13.0-1022-oemUpgrade linux-image-4.4.0-119-lowlatencyUpgrade linux-image-lowlatency-lts-xenialUpgrade linux-image-azureUpgrade linux-image-4.13.0-1014-azureUpgrade linux-image-3.13.0-144-powerpc64-embUpgrade linux-image-4.4.0-119-genericUpgrade linux-image-4.4.0-1020-kvmUpgrade linux-image-3.13.0-144-powerpc-smpUpgrade linux-image-raspi2Upgrade linux-image-4.4.0-119-powerpc64-embUpgrade linux-image-4.4.0-119-generic-lpaeUpgrade linux-image-3.13.0-144-powerpc-e500mcUpgrade linux-image-gcpUpgrade linux-image-3.13.0-144-lowlatencyUpgrade linux-image-generic-lpaeUpgrade linux-image-kvmUpgrade linux-image-4.13.0-38-generic-lpaeUpgrade linux-image-powerpc-e500mc-lts-xenialUpgrade linux-image-4.4.0-119-powerpc-smpUpgrade linux-image-powerpc64-smpUpgrade linux-image-genericUpgrade linux-image-3.13.0-144-generic-lpaeUpgrade linux-image-generic-lts-trustyUpgrade linux-image-powerpc-smpUpgrade linux-image-generic-lpae-lts-trustyUpgrade linux-image-powerpc-e500mcUpgrade linux-image-powerpc-smp-lts-xenialUpgrade linux-image-generic-lts-xenialUpgrade linux-image-generic-hwe-16.04Upgrade linux-image-4.4.0-119-powerpc64-smpUpgrade linux-image-3.13.0-144-powerpc-e500Upgrade linux-image-snapdragonUpgrade linux-image-4.13.0-1016-raspi2Upgrade linux-image-4.4.0-1016-awsUpgrade linux-image-powerpc64-embUpgrade linux-image-oemUpgrade linux-image-3.13.0-144-powerpc64-smpUpgrade linux-image-gkeUpgrade linux-image-3.13.0-144-genericUpgrade linux-image-4.4.0-1054-awsUpgrade linux-image-4.13.0-1012-gcpUpgrade linux-image-lowlatency-hwe-16.04 | Apr 25, 2018 | Dec 6, 2017 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Dec 7, 2017 |
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