The __netlink_deliver_tap_skb function in net/netlink/af_netlink.c in the Linux kernel through 4.14.4, when CONFIG_NLMON is enabled, does not restrict observations of Netlink messages to a single net namespace, which allows local users to obtain sensitive information by leveraging the CAP_NET_ADMIN capability to sniff an nlmon interface for all Netlink activity on the system.
CVSS Details
- CVSS 3.0 Base Score: 4.7
- CVSS 3.0 Vector: (CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| 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 |
| Huawei Euleros 2_0_sp1 | — | Upgrade python-perfUpgrade perfUpgrade kernel-toolsUpgrade kernel-tools-libsUpgrade kernel-headersUpgrade kernel-develUpgrade kernel-debuginfoUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-debugUpgrade kernel | Jan 30, 2018 | Dec 6, 2017 |
| Huawei Euleros 2_0_sp2 | — | Upgrade python-perfUpgrade kernel-toolsUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-debug-develUpgrade kernel-tools-libsUpgrade kernel-headersUpgrade kernel-develUpgrade kernelUpgrade kernel-debuginfoUpgrade perfUpgrade kernel-debug | Jan 19, 2018 | Dec 6, 2017 |
| Oracle_linux | — | Upgrade kernelUpgrade kernel-uek | Apr 19, 2018 | Dec 5, 2017 |
| Redhat_linux | — | Upgrade kernelUpgrade kernel-rt | Apr 11, 2018 | Dec 6, 2017 |
| Suse | — | Upgrade kernel-obs-buildUpgrade kernel-default-extraUpgrade kernel-default-manUpgrade kernel-devel-azureUpgrade kernel-docsUpgrade kernel-azure-baseUpgrade kernel-defaultUpgrade kernel-source-azure | Dec 20, 2017 | Dec 6, 2017 |
| Ubuntu | — | Upgrade linux-image-4.13.0-43-generic-lpaeUpgrade linux-image-powerpc-e500mcUpgrade linux-image-snapdragonUpgrade linux-image-4.4.0-119-powerpc-e500mcUpgrade linux-image-3.13.0-149-powerpc-e500Upgrade linux-image-3.13.0-149-powerpc-e500mcUpgrade linux-image-powerpc-smp-lts-xenialUpgrade linux-image-4.4.0-1016-awsUpgrade linux-image-4.13.0-1028-oemUpgrade linux-image-powerpc64-embUpgrade linux-image-4.4.0-119-powerpc-smpUpgrade linux-image-4.4.0-1088-snapdragonUpgrade linux-image-generic-lpaeUpgrade linux-image-powerpc-smpUpgrade linux-image-4.4.0-119-powerpc64-embUpgrade linux-image-powerpc-e500Upgrade linux-image-4.13.0-1017-gcpUpgrade linux-image-azureUpgrade linux-image-4.13.0-1018-azureUpgrade linux-image-lowlatencyUpgrade linux-image-4.4.0-119-powerpc64-smpUpgrade linux-image-3.13.0-149-powerpc-smpUpgrade linux-image-4.4.0-1054-awsUpgrade linux-image-4.4.0-1086-raspi2Upgrade linux-image-3.13.0-149-generic-lpaeUpgrade linux-image-lowlatency-hwe-16.04Upgrade linux-image-generic-lts-trustyUpgrade linux-image-generic-lts-xenialUpgrade linux-image-4.13.0-1020-raspi2Upgrade linux-image-gkeUpgrade linux-image-generic-lpae-lts-trustyUpgrade linux-image-genericUpgrade linux-image-4.13.0-43-lowlatencyUpgrade linux-image-oemUpgrade linux-image-awsUpgrade linux-image-raspi2Upgrade linux-image-powerpc64-smp-lts-xenialUpgrade linux-image-generic-lpae-lts-xenialUpgrade linux-image-4.4.0-119-genericUpgrade linux-image-3.13.0-149-powerpc64-smpUpgrade linux-image-4.4.0-119-generic-lpaeUpgrade linux-image-gcpUpgrade linux-image-powerpc-e500mc-lts-xenialUpgrade linux-image-powerpc64-smpUpgrade linux-image-powerpc64-emb-lts-xenialUpgrade linux-image-generic-hwe-16.04Upgrade linux-image-generic-lpae-hwe-16.04Upgrade linux-image-4.13.0-43-genericUpgrade linux-image-kvmUpgrade linux-image-lowlatency-lts-xenialUpgrade linux-image-3.13.0-149-genericUpgrade linux-image-3.13.0-149-lowlatencyUpgrade linux-image-4.4.0-1020-kvmUpgrade linux-image-3.13.0-149-powerpc64-embUpgrade linux-image-4.4.0-119-lowlatency | 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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