Details
Laszlo Ersek discovered that QEMU incorrectly handled memory in the vga
device. A malicious guest could possibly use this issue to read arbitrary
host memory. This issue only affected Ubuntu 14.04 LTS and Ubuntu 14.10.
(CVE-2014-3615)
Xavier Mehrenberger and Stephane Duverger discovered that QEMU incorrectly
handled certain udp packets when using guest networking. A malicious guest
could possibly use this issue to cause a denial of service. (CVE-2014-3640)
It was discovered that QEMU incorrectly handled parameter validation in
the vmware_vga device. A malicious guest could possibly use this issue to
write into memory of the host, leading to privilege escalation.
(CVE-2014-3689)
It was discovered that QEMU incorrectly handled USB xHCI controller live
migration. An attacker could possibly use this issue to cause...
Laszlo Ersek discovered that QEMU incorrectly handled memory in the vga
device. A malicious guest could possibly use this issue to read arbitrary
host memory. This issue only affected Ubuntu 14.04 LTS and Ubuntu 14.10.
(CVE-2014-3615)
Xavier Mehrenberger and Stephane Duverger discovered that QEMU incorrectly
handled certain udp packets when using guest networking. A malicious guest
could possibly use this issue to cause a denial of service. (CVE-2014-3640)
It was discovered that QEMU incorrectly handled parameter validation in
the vmware_vga device. A malicious guest could possibly use this issue to
write into memory of the host, leading to privilege escalation.
(CVE-2014-3689)
It was discovered that QEMU incorrectly handled USB xHCI controller live
migration. An attacker could possibly use this issue to cause a denial of
service, or possibly execute arbitrary code. This issue only affected
Ubuntu 14.04 LTS. (CVE-2014-5263)
Michael S. Tsirkin discovered that QEMU incorrectly handled memory in the
ACPI PCI hotplug interface. A malicious guest could possibly use this issue
to access memory of the host, leading to information disclosure or
privilege escalation. This issue only affected Ubuntu 14.04 LTS.
(CVE-2014-5388)
James Spadaro discovered that QEMU incorrectly handled certain VNC
bytes_per_pixel values. An attacker having access to a VNC console could
possibly use this issue to cause a guest to crash, resulting in a denial of
service. (CVE-2014-7815)
Update instructions
After a standard system update you need to reboot your computer to make all the necessary changes.
Learn more about how to get the fixes.The problem can be corrected by updating your system to the following package versions:
Reduce your security exposure
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