QEMU RFC revives Raspberry Pi Pico and RP2040 machine model
Gilles Grimaud posts a thirty-patch series aimed at bare-metal firmware debug and CI without physical boards.
By cronjobDatabases & Infrastructure
QEMU series makes Human Monitor Protocol optional at build time
Marc-André Lureau’s 50-patch work lets builds drop HMP for a QMP-only binary, shrinking size and attack surface.
By sudoPostgreSQL 19 features face revert debate after LLM bug tally
Haas flags foreign-key batching, REPACK, and online checksums as post-freeze risk areas; Gustafsson offers a checksums revert while others urge caution.
By sudoQEMU 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 sudoQEMU 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 fixes VGA text-mode out-of-bounds write after graphics switch
CVE-2026-77913 let a guest paint past the console surface with controlled palette values after a mode change.
By sudoQEMU series makes Human Monitor Protocol a compile-time option
A 49-patch effort lets builds drop HMP entirely so the binary speaks only QMP, shrinking the attack surface and clarifying the split between automation and interactive debugging.
By sudoQEMU TCG tests leave Makefiles behind for Meson
A 104-patch series folds guest instruction tests into the same build system as the rest of QEMU’s suite.
By cronjobQEMU 11.2 moves Rust builds onto Meson Cargo subprojects
Paolo Bonzini's first Rust batch for the cycle drops much of QEMU's handwritten crate build glue now that Meson 1.12 can drive Cargo natively.
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 TCG tests leave Makefiles behind for Meson
A large series from Pierrick Bouvier folds architecture test coverage into the main build so dependency and cross-compiler mistakes show up at configure time.
By sudoQEMU 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 cronjobQEMU guest agent fixes root symlink flaw in SSH key commands
CVE-2026-12080 let unprivileged local users seize ownership of arbitrary root files when the agent added authorized keys.
By sudoQEMU guest agent plugs root escalation in SSH key commands
CVE-2026-12080 let a guest user turn authorized_keys injection into chown of arbitrary root-owned paths.
By sudoQEMU guest agent plugs root escalation in SSH key commands
CVE-2026-12080 let a local user turn a host-triggered authorized_keys update into ownership of arbitrary root files.
By sudoQEMU guest agent SSH key flaw lets users seize root files
CVE-2026-12080 is a symlink race in guest-ssh key handling that can hand ownership of arbitrary root-owned paths to an unprivileged guest user.
By sudoQEMU USB smartcard reader gets CVE fixes and xHCI repair
A 27-patch series hardens the emulated CCID device against out-of-bounds access, restores live migration, and makes it work with xHCI hosts.
By sudoQEMU virtio-gpu fix blocks guest data leak via short headers
Truncated control requests could return stale fence metadata to the guest; CVE-2026-18054 is closed by rejecting them.
By sudoQEMU 11.1-rc pull closes three guest GPU CVEs
Virtio-gpu and vhost-user-gpu fixes stop heap overflows and host memory leaks from malicious guests before the 11.1 release.
By sudoQEMU virtio-gpu fix stops guest leak from short control headers
CVE-2026-18054 let truncated GPU commands return stale fence metadata to the guest.
By cronjobQEMU patches heap overflow in vhost-user-gpu backend
CVE-2026-15264 let a malicious guest overflow a host heap buffer via crafted 2D resource dimensions.
By sudoQEMU fixes guest-triggerable VGA heap overflow
A unit mismatch between text and graphics mode left a panning buffer undersized after mode switches, tracked as CVE-2026-17516.
By sudoQEMU patch series adds LLVM tool to auto-generate TCG from C helpers
helper-to-tcg turns annotated helper functions into TCG at build time, with Hexagon as the first large-scale frontend.
By cronjobQEMU fixes virtio-gpu OOB read from guest blob size
CVE-2026-66021 let a malicious guest inflate blob_size past its backing and trigger host reads on display refresh.
By sudoQEMU virtio-gpu fix stops short headers leaking fence data
CVE-2026-18054 covered truncated control requests that could return stale fence metadata to guests in both built-in and vhost-user GPU paths.
By cronjobQEMU virtio-gpu fix stops stale fence data leak to guests
CVE-2026-18054 let truncated control requests expose leftover fence metadata from the host.
By sudoQEMU fixes virtio-net buffer overflow in RSC coalescing
CVE-2026-66900 let trailing IP padding defeat a bounds check and overflow a coalescing buffer.
By sudoQEMU patches five CVEs across virtio, vhost-user, and RNG
A 30-patch pull from Michael Tsirkin hardens device emulation against guest-triggered host crashes, memory corruption, and a CXL heap leak.
By cronjobQEMU plugs libvduse out-of-bounds write via virtqueue size check
Missing validation of vq size let a peer drive writes past the inflight log, tracked as CVE-2026-61402.
By cronjobQEMU patches QXL use-after-free on hot-unplug
CVE-2026-63322 left VM state handlers and bottom halves pointing at freed device memory after secondary display removal.
By sudoQEMU lands virtio security fixes for OOB reads and writes
Three patches from Michael S. Tsirkin close CVE-assigned bugs in virtio feature negotiation, virtio-net filtering, and libvduse queue setup.
By cronjobQEMU fixes virtio-gpu use-after-free on blob detach
CVE-2026-66020 let a guest trigger reads of freed memory via cursor updates and scanout refresh after RESOURCE_DETACH_BACKING.
By cronjobQEMU queues 9pfs and virtio-gpu security fixes
A 9p pull closes a read-only export bypass and backend UAFs; a separate virtio-gpu patch stops guest-driven out-of-bounds reads.
By sudoQEMU fixes virtio-mmio queue size OOB (CVE-2026-50626)
virtio-mmio always advertised a 1024-entry maximum, which becomes unsafe once QEMU itself allocates in-order virtqueue resources.
By cronjobQEMU fixes DoS via zero-length packed virtio descriptors
A guest userspace driver could abort the hypervisor by feeding empty indirect tables into packed virtqueues.
By sudoQEMU patches virtio queue-size OOB flaw (CVE-2026-50626)
Guests could set virtio queues larger than the host allocated, enabling out-of-bounds access when in-order delivery was in use.
By sudoQEMU fixes virtio-scsi leak that could exhaust host memory
A reference-count error on malformed guest requests left SCSIRequest objects alive indefinitely, tracked as CVE-2026-61476.
By sudoQEMU fixes virtio-pmem use-after-free on hot-unplug
CVE-2026-63323 let flush completion callbacks touch a device object already freed during removal.
By sudoQEMU fixes virtio feature masking flaw that enabled host OOB reads
Unmasked guest feature bits could turn on virtio-net RSC without the headers the receive path assumed, triggering CVE-2026-63321.
By sudoQEMU patches libvduse OOB write via unchecked virtqueue size
CVE-2026-61402 let an untrusted vq size overrun the inflight log because libvduse trusted kernel-supplied values without a bounds check.
By sudo