CVE-2013-4148: Integer signedness error in the virtio_net_load function in hw/net/virtio-net.c in QEMU 1.x before 1.7.2 al...

Security readout for executives and security teams

CVE-2013-4148 is a QEMU flaw where a malicious saved VM image can corrupt memory during restore. On vulnerable QEMU 1.x versions before 1.7.2, this may allow arbitrary code execution. The practical risk is highest where old virtualization hosts import, migrate, or restore VM state from untrusted or weakly controlled sources. Exposure is most plausible on legacy QEMU deployments, especially virtualization platforms that restore, import, or migrate saved VM images. Ordinary systems not running affected QEMU versions, or not processing savevm images, are less likely exposed. The bundle does not provide exact downstream package version mappings beyond referenced vendor advisories. Prioritize if the organization still runs legacy QEMU or accepts VM state files from outside trusted operational channels. For modern, patched virtualization stacks, urgency is lower but asset verification is still warranted because exploitation could affect host-side virtualization infrastructure. Mitigation focus: Upgrade QEMU to 1.7.2 or a vendor-patched package.; Review Red Hat and Fedora advisories for affected package mappings.; Do not load saved VM images from untrusted sources..

Prepared

Jun 14, 2026, 06:22 UTC (UTC+00:00)

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