A use-after-free vulnerability was found in network namespaces code affecting the Linux kernel before 4.14.11. The function get_net_ns_by_id() in net/core/net_namespace.c does not check for the net::count value after it has found a peer network in netns_ids idr, which could lead to double free and memory corruption. This vulnerability could allow an unprivileged local user to induce kernel memory corruption on the system, leading to a crash. Due to the nature of the flaw, privilege escalation cannot be fully ruled out, although it is thought to be unlikely.
CVSS Details
- CVSS 3.1 Base Score: 4.7
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Centos_linux | — | Upgrade kernelUpgrade kernel-rt | Aug 28, 2019 | Jan 9, 2018 |
| Debian | — | Upgrade linux | Jul 30, 2024 | Jan 9, 2018 |
| Huawei Euleros 2_0_sp2 | — | Upgrade perfUpgrade kernel-debuginfoUpgrade kernel-debug-develUpgrade kernelUpgrade kernel-develUpgrade kernel-headersUpgrade kernel-tools-libsUpgrade kernel-debugUpgrade python-perfUpgrade kernel-toolsUpgrade kernel-debuginfo-common-x86_64 | Mar 16, 2018 | Jan 9, 2018 |
| Oracle_linux | — | Upgrade kernelUpgrade kernel-uek | Apr 19, 2018 | Dec 19, 2017 |
| Redhat_linux | — | Upgrade kernel-rtUpgrade kernel | Apr 11, 2018 | Jan 9, 2018 |
| Suse | — | Upgrade kernel-obs-buildUpgrade kernel-docsUpgrade kernel-defaultUpgrade kernel-azure-baseUpgrade kernel-source-azureUpgrade kernel-devel-azureUpgrade kernel-default-extraUpgrade kernel-default-man | Feb 9, 2018 | Jan 9, 2018 |
| Ubuntu | — | Upgrade linux-image-powerpc-e500mc-lts-xenialUpgrade linux-image-4.4.0-119-powerpc64-embUpgrade linux-image-4.4.0-1086-raspi2Upgrade linux-image-generic-lpae-lts-xenialUpgrade linux-image-genericUpgrade linux-image-snapdragonUpgrade linux-image-4.4.0-1088-snapdragonUpgrade linux-image-4.4.0-119-powerpc-e500mcUpgrade linux-image-azureUpgrade linux-image-4.4.0-1020-kvmUpgrade linux-image-4.13.0-38-generic-lpaeUpgrade linux-image-4.4.0-119-genericUpgrade linux-image-4.13.0-1014-azureUpgrade linux-image-4.4.0-119-generic-lpaeUpgrade linux-image-lowlatencyUpgrade linux-image-generic-lpae-hwe-16.04Upgrade linux-image-kvmUpgrade linux-image-4.13.0-1022-oemUpgrade linux-image-powerpc64-smp-lts-xenialUpgrade linux-image-gcpUpgrade linux-image-gkeUpgrade linux-image-4.13.0-1016-raspi2Upgrade linux-image-generic-hwe-16.04Upgrade linux-image-4.13.0-38-lowlatencyUpgrade linux-image-generic-lpaeUpgrade linux-image-lowlatency-hwe-16.04Upgrade linux-image-4.4.0-1054-awsUpgrade linux-image-powerpc-smp-lts-xenialUpgrade linux-image-4.4.0-119-powerpc64-smpUpgrade linux-image-powerpc-e500mcUpgrade linux-image-4.4.0-1016-awsUpgrade linux-image-powerpc64-smpUpgrade linux-image-powerpc-smpUpgrade linux-image-raspi2Upgrade linux-image-lowlatency-lts-xenialUpgrade linux-image-oemUpgrade linux-image-awsUpgrade linux-image-powerpc64-embUpgrade linux-image-4.4.0-119-powerpc-smpUpgrade linux-image-powerpc64-emb-lts-xenialUpgrade linux-image-4.4.0-119-lowlatencyUpgrade linux-image-4.13.0-38-genericUpgrade linux-image-4.13.0-1012-gcpUpgrade linux-image-generic-lts-xenial | Apr 25, 2018 | Jan 9, 2018 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Jan 9, 2018 |
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