libxen-4.9: An issue was discovered in Xen through 4.9.x allowing x86 PV guest OS users to cause a denial of service (unbounded r...
CVE-2017-15595 is fixed in 20 products on 1 platform, first by libxen-4.9 4.9.2-0ubuntu1, released December 12, 2017. It is not reported as exploited. Patch Radar priority: Routine.
An issue was discovered in Xen through 4.9.x allowing x86 PV guest OS users to cause a denial of service (unbounded recursion, stack consumption, and hypervisor crash) or possibly gain privileges via crafted page-table stacking.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| libxen-4.9 · Ubuntu 18.04.6 LTS (bionic) | 4.9.2-0ubuntu1 | libxen-4.9 4.9.2-0ubuntu1 | Dec 12, 2017 |
| libxenstore3.0 · Ubuntu 18.04.6 LTS (bionic) | 4.9.2-0ubuntu1 | libxenstore3.0 4.9.2-0ubuntu1 | Dec 12, 2017 |
| xen-hypervisor-4.6-amd64 · Ubuntu 18.04.6 LTS (bionic) | 4.9.2-0ubuntu1 | xen-hypervisor-4.6-amd64 4.9.2-0ubuntu1 | Dec 12, 2017 |
| xen-hypervisor-4.6-arm64 · Ubuntu 18.04.6 LTS (bionic) | 4.9.2-0ubuntu1 | xen-hypervisor-4.6-arm64 4.9.2-0ubuntu1 | Dec 12, 2017 |
| xen-hypervisor-4.6-armhf · Ubuntu 18.04.6 LTS (bionic) | 4.9.2-0ubuntu1 | xen-hypervisor-4.6-armhf 4.9.2-0ubuntu1 | Dec 12, 2017 |
| xen-hypervisor-4.7-amd64 · Ubuntu 18.04.6 LTS (bionic) | 4.9.2-0ubuntu1 | xen-hypervisor-4.7-amd64 4.9.2-0ubuntu1 | Dec 12, 2017 |
| xen-hypervisor-4.7-arm64 · Ubuntu 18.04.6 LTS (bionic) | 4.9.2-0ubuntu1 | xen-hypervisor-4.7-arm64 4.9.2-0ubuntu1 | Dec 12, 2017 |
| xen-hypervisor-4.7-armhf · Ubuntu 18.04.6 LTS (bionic) | 4.9.2-0ubuntu1 | xen-hypervisor-4.7-armhf 4.9.2-0ubuntu1 | Dec 12, 2017 |
| xen-hypervisor-4.8-amd64 · Ubuntu 18.04.6 LTS (bionic) | 4.9.2-0ubuntu1 | xen-hypervisor-4.8-amd64 4.9.2-0ubuntu1 | Dec 12, 2017 |
| xen-hypervisor-4.8-arm64 · Ubuntu 18.04.6 LTS (bionic) | 4.9.2-0ubuntu1 | xen-hypervisor-4.8-arm64 4.9.2-0ubuntu1 | Dec 12, 2017 |
| xen-hypervisor-4.8-armhf · Ubuntu 18.04.6 LTS (bionic) | 4.9.2-0ubuntu1 | xen-hypervisor-4.8-armhf 4.9.2-0ubuntu1 | Dec 12, 2017 |
| xen-hypervisor-4.9-amd64 · Ubuntu 18.04.6 LTS (bionic) | 4.9.2-0ubuntu1 | xen-hypervisor-4.9-amd64 4.9.2-0ubuntu1 | Dec 12, 2017 |
| xen-hypervisor-4.9-arm64 · Ubuntu 18.04.6 LTS (bionic) | 4.9.2-0ubuntu1 | xen-hypervisor-4.9-arm64 4.9.2-0ubuntu1 | Dec 12, 2017 |
| xen-hypervisor-4.9-armhf · Ubuntu 18.04.6 LTS (bionic) | 4.9.2-0ubuntu1 | xen-hypervisor-4.9-armhf 4.9.2-0ubuntu1 | Dec 12, 2017 |
| xen-system-amd64 · Ubuntu 18.04.6 LTS (bionic) | 4.9.2-0ubuntu1 | xen-system-amd64 4.9.2-0ubuntu1 | Dec 12, 2017 |
| xen-system-arm64 · Ubuntu 18.04.6 LTS (bionic) | 4.9.2-0ubuntu1 | xen-system-arm64 4.9.2-0ubuntu1 | Dec 12, 2017 |
| xen-system-armhf · Ubuntu 18.04.6 LTS (bionic) | 4.9.2-0ubuntu1 | xen-system-armhf 4.9.2-0ubuntu1 | Dec 12, 2017 |
| xen-utils-4.9 · Ubuntu 18.04.6 LTS (bionic) | 4.9.2-0ubuntu1 | xen-utils-4.9 4.9.2-0ubuntu1 | Dec 12, 2017 |
| xen-utils-common · Ubuntu 18.04.6 LTS (bionic) | 4.9.2-0ubuntu1 | xen-utils-common 4.9.2-0ubuntu1 | Dec 12, 2017 |
| xenstore-utils · Ubuntu 18.04.6 LTS (bionic) | 4.9.2-0ubuntu1 | xenstore-utils 4.9.2-0ubuntu1 | Dec 12, 2017 |
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