CVE-2020-13754

hw/pci/msix.c in QEMU 4.2.0 allows guest OS users to trigger an out-of-bounds access via a crafted address in an msi-x mmio operation...

Unbreakable Enterprise kernel security update

4.14.35-1902.6.6 - RDMA/restrack: Protect from reentry to resource return path Leon Romanovsky Orabug: 30388717 4.14.35-1902.6.5 - hvnetvsc: fix vf serial matching with pci slot info Haiyang Zhang Orabug: 30373111 - rds: Use correct conn when dropping connections due to cancel Hakon Bugge Orabug:...

DEBIAN-CVE-2015-7549

The MSI-X MMIO support in hw/pci/msix.c in QEMU aka Quick Emulator allows local guest OS privileged users to cause a denial of service NULL pointer dereference and QEMU process crash by leveraging failure to define the .write method...

UBUNTU-CVE-2016-7466

Memory leak in the usbxhciexit function in hw/usb/hcd-xhci.c in QEMU aka Quick Emulator, when the xhci uses msix, allows local guest OS administrators to cause a denial of service memory consumption and possibly QEMU process crash by repeatedly unplugging a USB device...

UBUNTU-CVE-2015-7549

The MSI-X MMIO support in hw/pci/msix.c in QEMU aka Quick Emulator allows local guest OS privileged users to cause a denial of service NULL pointer dereference and QEMU process crash by leveraging failure to define the .write method...

DEBIAN-CVE-2014-1666

The dophysdevop function in Xen 4.1.5, 4.1.6.1, 4.2.2 through 4.2.3, and 4.3.x does not properly restrict access to the 1 PHYSDEVOPpreparemsix and 2 PHYSDEVOPreleasemsix operations, which allows local PV guests to cause a denial of service host or guest malfunction or possibly gain privileges via...

PHYSDEVOP_{prepare,release}_msix exposed to unprivileged guests

ISSUE DESCRIPTION The PHYSDEVOPprepare,releasemsix operations are supposed to be available to privileged guests domain 0 in non-disaggregated setups only, but the necessary privilege check was missing. IMPACT Malicious or misbehaving unprivileged guests can cause the host or other guests to...