CVE-2017-1000252: The KVM subsystem in the Linux kernel through 4.13.3 allows guest OS users to cause a denial of service (as...

Security readout for executives and security teams

CVE-2017-1000252 is a Linux KVM flaw where a user inside a guest VM could trigger a host hypervisor hang or crash. The main business risk is service interruption for virtualization hosts, especially shared or externally administered VM environments. Exposure is most likely on Linux systems running KVM virtualization with kernels at or before 4.13.3, or vendor kernels lacking the referenced fixes. Systems without KVM enabled are less relevant. Shared hosting, lab, CI, or tenant-controlled VM platforms have higher operational exposure. Treat this as an availability risk for virtualization infrastructure. It is not described as data theft or remote compromise, but a guest-triggered hypervisor crash can disrupt many workloads on shared hosts. Patch KVM hosts during normal emergency or accelerated maintenance windows based on tenant exposure. Mitigation focus: Apply vendor kernel updates from the relevant Debian or Red Hat advisory.; Use a Linux kernel containing the referenced upstream KVM fixes.; Prioritize KVM hosts running untrusted or tenant-controlled guest workloads..

Prepared

Jun 12, 2026, 20:56 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.