CVE-2015-4692: The kvm_apic_has_events function in arch/x86/kvm/lapic.h in the Linux kernel through 4.1.3 allows local use...

Security readout for executives and security teams

CVE-2015-4692 is a Linux kernel KVM flaw that can let a local user with /dev/kvm access crash the host. For organizations running KVM-based virtualization, the main business risk is availability loss on affected hosts, not confirmed remote compromise. Exposure is most relevant on Linux systems using KVM where untrusted or semi-trusted local users, workloads, or virtualization management accounts can access /dev/kvm. Systems without KVM enabled or without delegated /dev/kvm access are less likely to be exposed. Treat this as a moderate-priority availability risk for KVM virtualization infrastructure. Patch affected hosts during the next security maintenance window, sooner where untrusted users or tenants can reach /dev/kvm. Mitigation focus: Apply vendor kernel updates from the relevant Linux distribution advisory.; Prioritize KVM hosts where non-administrators can access /dev/kvm.; Restrict /dev/kvm access to trusted users and service accounts..

Prepared

Jun 13, 2026, 22:22 UTC (UTC+00:00)

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