CVE-2018-19963
Published: 8 December 2018
An issue was discovered in Xen 4.11 allowing HVM guest OS users to cause a denial of service (host OS crash) or possibly gain host OS privileges because x86 IOREQ server resource accounting (for external emulators) was mishandled.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
xen Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(code not present)
|
| cosmic |
Ignored
(end of life)
|
|
| disco |
Not vulnerable
(code not present)
|
|
| trusty |
Does not exist
(trusty was needs-triage)
|
|
| upstream |
Released
(4.11.1-1)
|
|
| xenial |
Not vulnerable
(code not present)
|
|
| Binaries built from this source package are in Universe and so are supported by the community. | ||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.8 |
| Attack vector | Local |
| Attack complexity | High |
| Privileges required | Low |
| User interaction | None |
| Scope | Changed |
| Confidentiality | High |
| Integrity impact | High |
| Availability impact | High |
| Vector | CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H |