CVE-2018-18883
Published: 01 November 2018
An issue was discovered in Xen 4.9.x through 4.11.x, on Intel x86 platforms, allowing x86 HVM and PVH guests to cause a host OS denial of service (NULL pointer dereference) or possibly have unspecified other impact because nested VT-x is not properly restricted.
Priority
Medium
CVSS 3 base score: 8.8
Status
| Package | Release | Status |
|---|---|---|
|
xen Launchpad, Ubuntu, Debian |
Upstream |
Released
(4.11.1-1)
|
| Ubuntu 20.10 (Groovy Gorilla) |
Needed
|
|
| Ubuntu 20.04 LTS (Focal Fossa) |
Needed
|
|
| Ubuntu 18.04 LTS (Bionic Beaver) |
Needed
|
|
| Ubuntu 16.04 LTS (Xenial Xerus) |
Not vulnerable
(code not present)
|
|
| Ubuntu 14.04 ESM (Trusty Tahr) |
Does not exist
(trusty was needs-triage)
|
|
| Binaries built from this source package are in Universe and so are supported by the community. | ||
Notes
| Author | Note |
|---|---|
| mdeslaur | hypervisor packages are in universe. For issues in the hypervisor, add appropriate tags to each section, ex: Tags_xen: universe-binary |