CVE-2018-19961
Published: 8 December 2018
An issue was discovered in Xen through 4.11.x on AMD x86 platforms, possibly allowing guest OS users to gain host OS privileges because TLB flushes do not always occur after IOMMU mapping changes.
Priority
Status
Package | Release | Status |
---|---|---|
xen Launchpad, Ubuntu, Debian |
bionic |
Needed
|
cosmic |
Ignored
(end of life)
|
|
disco |
Ignored
(end of life)
|
|
eoan |
Ignored
(end of life)
|
|
groovy |
Ignored
(end of life)
|
|
hirsute |
Ignored
(end of life)
|
|
jammy |
Not vulnerable
(4.11.1-1)
|
|
impish |
Ignored
(end of life)
|
|
focal |
Not vulnerable
(4.11.1-1)
|
|
xenial |
Not vulnerable
(code not present)
|
|
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 | 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 |