CVE-2018-19967
Published: 8 December 2018
An issue was discovered in Xen through 4.11.x on Intel x86 platforms allowing guest OS users to cause a denial of service (host OS hang) because Xen does not work around Intel's mishandling of certain HLE transactions associated with the KACQUIRE instruction prefix.
Priority
Status
Package | Release | Status |
---|---|---|
xen Launchpad, Ubuntu, Debian |
hirsute |
Ignored
(end of life)
|
groovy |
Ignored
(end of life)
|
|
xenial |
Needed
|
|
impish |
Ignored
(end of life)
|
|
bionic |
Needed
|
|
cosmic |
Ignored
(end of life)
|
|
disco |
Ignored
(end of life)
|
|
eoan |
Ignored
(end of life)
|
|
focal |
Not vulnerable
(4.11.1-1)
|
|
jammy |
Not vulnerable
(4.11.1-1)
|
|
kinetic |
Not vulnerable
(4.11.1-1)
|
|
lunar |
Not vulnerable
(4.11.1-1)
|
|
trusty |
Does not exist
(trusty was needs-triage)
|
|
upstream |
Released
(4.11.1-1)
|
|
mantic |
Not vulnerable
(4.11.1-1)
|
|
Binaries built from this source package are in Universe and so are supported by the community. |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 6.5 |
Attack vector | Local |
Attack complexity | Low |
Privileges required | Low |
User interaction | None |
Scope | Changed |
Confidentiality | None |
Integrity impact | None |
Availability impact | High |
Vector | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H |