PT-2026-65476

A guest started with Populated on Demand enabled PoD can attempt to reclaim pages which aren't regular guest RAM. This can cause corruption of memory management state in Xen...

Ubuntu 14.04 LTS / 16.04 LTS : QEMU vulnerabilities (USN-3575-1)

The remote Ubuntu 14.04 LTS / 16.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-3575-1 advisory. It was discovered that QEMU incorrectly handled guest ram. A privileged attacker inside the guest could use this issue to cause QEMU to crash...

USN-3575-1 qemu vulnerabilities

It was discovered that QEMU incorrectly handled guest ram. A privileged attacker inside the guest could use this issue to cause QEMU to crash, resulting in a denial of service. This issue only affected Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. CVE-2017-11334 David Buchanan discovered that QEMU...

Qemu: exec: oob access during dma operation

Quick Emulator QEMU, compiled with qemumapramptr to access guests' RAM block area, is vulnerable to an OOB r/w access issue. The crash can occur if a privileged user inside a guest conducts certain DMA operations, resulting in a DoS...

Out-of-bounds

The addressspacewritecontinue function in exec.c in QEMU aka Quick Emulator allows local guest OS privileged users to cause a denial of service out-of-bounds access and guest instance crash by leveraging use of qemumapramptr to access guest ram block area...

CVE-2017-11334

The addressspacewritecontinue function in exec.c in QEMU aka Quick Emulator allows local guest OS privileged users to cause a denial of service out-of-bounds access and guest instance crash by leveraging use of qemumapramptr to access guest ram block area...