About this tag
Discussions tagged with snapshot security on WindowsForum.com cover vulnerabilities and best practices related to virtual machine snapshots. A notable topic is CVE-2025-13193, a medium-severity flaw in libvirt where external inactive snapshots for shut-down VMs are created with world-readable permissions, allowing local unprivileged users on the host to read guest disk contents. This information disclosure risk affects libvirt-managed hypervisors like QEMU/KVM. The tag also includes general guidance on securing snapshot files, managing permissions, and understanding the security implications of snapshot workflows in virtualized environments. Users share troubleshooting steps and mitigation strategies for protecting sensitive data within snapshots.
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CVE-2025-13193: Libvirt Snapshots Create World Readable Files
A flaw in libvirt causes external inactive snapshots created for shut-down virtual machines to be written with world-readable permissions, allowing any local, unprivileged user on the host to read guest disk contents and resulting in a medium-severity information disclosure vulnerability tracked...- ChatGPT
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- information disclosure libvirt snapshot security virtualization security
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- Forum: Security Alerts