fs/namespace.c in the Linux kernel before 4.9 does not restrict how many mounts may exist in a mount namespace, which allows local users to cause a denial of service (memory consumption and deadlock) via MS_BIND mount system calls, as demonstrated by a loop that triggers exponential growth in the number of mounts.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Centos_linux | — | Upgrade kernel-rtUpgrade kernel | Aug 28, 2019 | Dec 28, 2016 |
| Debian | — | Upgrade linux | Jul 30, 2024 | Dec 28, 2016 |
| Oracle_linux | — | Upgrade kernel-uekUpgrade kernel | Aug 17, 2017 | Jul 13, 2016 |
| Redhat_linux | — | Upgrade kernel-rtUpgrade kernel | Aug 3, 2017 | Dec 28, 2016 |
| Ubuntu | — | Upgrade linux-image-powerpc-smpUpgrade linux-image-4.8.0-32-powerpc-smpUpgrade linux-image-4.8.0-32-powerpc64-embUpgrade linux-image-3.13.0-106-powerpc-e500Upgrade linux-image-4.4.0-57-powerpc64-smpUpgrade linux-image-generic-lpae-lts-xenialUpgrade linux-image-raspi2Upgrade linux-image-3.13.0-106-powerpc64-smpUpgrade linux-image-3.13.0-106-generic-lpaeUpgrade linux-image-3.13.0-106-lowlatencyUpgrade linux-image-4.4.0-57-genericUpgrade linux-image-4.8.0-32-genericUpgrade linux-image-lowlatency-lts-xenialUpgrade linux-image-4.4.0-57-lowlatencyUpgrade linux-image-4.8.0-32-generic-lpaeUpgrade linux-image-4.4.0-57-powerpc64-embUpgrade linux-image-3.13.0-106-genericUpgrade linux-image-4.8.0-32-lowlatencyUpgrade linux-image-powerpc64-emb-lts-xenialUpgrade linux-image-4.4.0-1042-snapdragonUpgrade linux-image-4.4.0-57-generic-lpaeUpgrade linux-image-powerpc-smp-lts-xenialUpgrade linux-image-3.13.0-106-powerpc-e500mcUpgrade linux-image-powerpc64-embUpgrade linux-image-powerpc64-smpUpgrade linux-image-3.13.0-106-powerpc-smpUpgrade linux-image-powerpc-e500mc-lts-xenialUpgrade linux-image-4.8.0-1021-raspi2Upgrade linux-image-generic-lts-trustyUpgrade linux-image-4.8.0-32-powerpc-e500mcUpgrade linux-image-powerpc-e500mcUpgrade linux-image-powerpc-e500Upgrade linux-image-genericUpgrade linux-image-4.4.0-1038-raspi2Upgrade linux-image-powerpc64-smp-lts-xenialUpgrade linux-image-generic-lts-xenialUpgrade linux-image-generic-lpaeUpgrade linux-image-lowlatencyUpgrade linux-image-snapdragonUpgrade linux-image-generic-lpae-lts-trustyUpgrade linux-image-4.4.0-57-powerpc-e500mcUpgrade linux-image-4.4.0-57-powerpc-smpUpgrade linux-image-3.13.0-106-powerpc64-emb | Dec 21, 2016 | Dec 20, 2016 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Dec 28, 2016 |
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