CVE-2017-17566

libxen-4.9: An issue was discovered in Xen through 4.9.x allowing PV guest OS users to cause a denial of service (host OS crash)...

CVE-2017-17566 is fixed in 20 products on 1 platform, first by libxen-4.9 4.9.2-0ubuntu1, released December 12, 2017. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
n/a
Medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0036
29th percentile

An issue was discovered in Xen through 4.9.x allowing PV guest OS users to cause a denial of service (host OS crash) or gain host OS privileges in shadow mode by mapping a certain auxiliary page.

Where it's fixed

ProductFixed inFixReleased
Linux
libxen-4.9 · Ubuntu 18.04.6 LTS (bionic) 4.9.2-0ubuntu1 libxen-4.9 4.9.2-0ubuntu1 Dec 12, 2017
libxenstore3.0 · Ubuntu 18.04.6 LTS (bionic) 4.9.2-0ubuntu1 libxenstore3.0 4.9.2-0ubuntu1 Dec 12, 2017
xen-hypervisor-4.6-amd64 · Ubuntu 18.04.6 LTS (bionic) 4.9.2-0ubuntu1 xen-hypervisor-4.6-amd64 4.9.2-0ubuntu1 Dec 12, 2017
xen-hypervisor-4.6-arm64 · Ubuntu 18.04.6 LTS (bionic) 4.9.2-0ubuntu1 xen-hypervisor-4.6-arm64 4.9.2-0ubuntu1 Dec 12, 2017
xen-hypervisor-4.6-armhf · Ubuntu 18.04.6 LTS (bionic) 4.9.2-0ubuntu1 xen-hypervisor-4.6-armhf 4.9.2-0ubuntu1 Dec 12, 2017
xen-hypervisor-4.7-amd64 · Ubuntu 18.04.6 LTS (bionic) 4.9.2-0ubuntu1 xen-hypervisor-4.7-amd64 4.9.2-0ubuntu1 Dec 12, 2017
xen-hypervisor-4.7-arm64 · Ubuntu 18.04.6 LTS (bionic) 4.9.2-0ubuntu1 xen-hypervisor-4.7-arm64 4.9.2-0ubuntu1 Dec 12, 2017
xen-hypervisor-4.7-armhf · Ubuntu 18.04.6 LTS (bionic) 4.9.2-0ubuntu1 xen-hypervisor-4.7-armhf 4.9.2-0ubuntu1 Dec 12, 2017
xen-hypervisor-4.8-amd64 · Ubuntu 18.04.6 LTS (bionic) 4.9.2-0ubuntu1 xen-hypervisor-4.8-amd64 4.9.2-0ubuntu1 Dec 12, 2017
xen-hypervisor-4.8-arm64 · Ubuntu 18.04.6 LTS (bionic) 4.9.2-0ubuntu1 xen-hypervisor-4.8-arm64 4.9.2-0ubuntu1 Dec 12, 2017
xen-hypervisor-4.8-armhf · Ubuntu 18.04.6 LTS (bionic) 4.9.2-0ubuntu1 xen-hypervisor-4.8-armhf 4.9.2-0ubuntu1 Dec 12, 2017
xen-hypervisor-4.9-amd64 · Ubuntu 18.04.6 LTS (bionic) 4.9.2-0ubuntu1 xen-hypervisor-4.9-amd64 4.9.2-0ubuntu1 Dec 12, 2017
xen-hypervisor-4.9-arm64 · Ubuntu 18.04.6 LTS (bionic) 4.9.2-0ubuntu1 xen-hypervisor-4.9-arm64 4.9.2-0ubuntu1 Dec 12, 2017
xen-hypervisor-4.9-armhf · Ubuntu 18.04.6 LTS (bionic) 4.9.2-0ubuntu1 xen-hypervisor-4.9-armhf 4.9.2-0ubuntu1 Dec 12, 2017
xen-system-amd64 · Ubuntu 18.04.6 LTS (bionic) 4.9.2-0ubuntu1 xen-system-amd64 4.9.2-0ubuntu1 Dec 12, 2017
xen-system-arm64 · Ubuntu 18.04.6 LTS (bionic) 4.9.2-0ubuntu1 xen-system-arm64 4.9.2-0ubuntu1 Dec 12, 2017
xen-system-armhf · Ubuntu 18.04.6 LTS (bionic) 4.9.2-0ubuntu1 xen-system-armhf 4.9.2-0ubuntu1 Dec 12, 2017
xen-utils-4.9 · Ubuntu 18.04.6 LTS (bionic) 4.9.2-0ubuntu1 xen-utils-4.9 4.9.2-0ubuntu1 Dec 12, 2017
xen-utils-common · Ubuntu 18.04.6 LTS (bionic) 4.9.2-0ubuntu1 xen-utils-common 4.9.2-0ubuntu1 Dec 12, 2017
xenstore-utils · Ubuntu 18.04.6 LTS (bionic) 4.9.2-0ubuntu1 xenstore-utils 4.9.2-0ubuntu1 Dec 12, 2017