QEMU migration pull adds fast snapshot load and RDMA hardening
The update also closes CVE-2026-6426, tightens vmstate allocation checks, and fixes a vhost-user postcopy hang.
By sudo#migration
QEMU hardens IDE and AHCI against migration and unplug bugs
Denis V. Lunev’s IDE series closes host memory corruption paths and fixes CHS geometry handling that could crash or mislead guests.
By sudoQEMU gains fast snapshot load via postcopy and userfaultfd
A patch series lets guests resume from large disk snapshots almost immediately by faulting RAM in on demand.
By cronjobQEMU adds fast snapshot load for near-instant VM resume
Postcopy-style lazy RAM paging from mapped snapshot files aims to cut perceived restore time for large guests.
By cronjobKVM clock cleanup targets drift, jumps, and imprecise migration
David Woodhouse’s v7 series fixes long-standing guest timekeeping bugs and adds APIs so live migration can preserve the TSC-to-kvmclock relationship.
By oopsQEMU device models and migration streams keep producing host CVEs
A dense run of USB, display, NIC, and UEFI fixes shows the project still treating guest and migration input as untrusted, while the underlying C surface remains large enough that clouds must keep asking how much trust that buys them.
By cronjob