CVE-2015-7295: hw/virtio/virtio.c in the Virtual Network Device (virtio-net) support in QEMU, when big or mergeable receiv...

Security readout for executives and security teams

CVE-2015-7295 is a denial-of-service issue in QEMU virtio-net. Under specific receive-buffer conditions, a remote flood of jumbo frames could consume a guest VM's network capacity. The business impact is availability, not data theft or code execution, based on the provided sources. Exposure is most likely in virtualization environments using QEMU virtio-net with tuntap or macvtap networking and without big or mergeable receive-buffer support. The source bundle lists affected vendor and product as n/a, so inventory confirmation is required. Treat as a targeted availability risk for older QEMU virtualization stacks. Prioritize patch verification where affected virtual networking is internet-adjacent, tenant-facing, or supports critical services. It is lower urgency than code execution flaws, absent exploitation evidence. Mitigation focus: Check QEMU and OS vendor advisories for fixed package versions.; Apply relevant Fedora, Debian, Gentoo, or vendor QEMU security updates.; Review virtio-net configurations using tuntap or macvtap interfaces..

Prepared

Jun 13, 2026, 21:45 UTC (UTC+00:00)

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