CVE-2014-7155
Published: 2 October 2014
The x86_emulate function in arch/x86/x86_emulate/x86_emulate.c in Xen 4.4.x and earlier does not properly check supervisor mode permissions, which allows local HVM users to cause a denial of service (guest crash) or gain guest kernel mode privileges via vectors involving an (1) HLT, (2) LGDT, (3) LIDT, or (4) LMSW instruction.
Notes
| Author | Note |
|---|---|
| mdeslaur | 3.2.x+ |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
xen Launchpad, Ubuntu, Debian |
lucid |
Does not exist
|
| precise |
Released
(4.1.6.1-0ubuntu0.12.04.3)
|
|
| trusty |
Released
(4.4.0-0ubuntu5.2)
|
|
| upstream |
Needs triage
|
|
| utopic |
Released
(4.4.0-0ubuntu8)
|
|
| vivid |
Released
(4.4.1-3ubuntu1)
|
|
| Binaries built from this source package are in Universe and so are supported by the community. | ||
|
xen-3.3 Launchpad, Ubuntu, Debian |
lucid |
Ignored
(end of life)
|
| precise |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Ignored
(end of life)
|
|
| utopic |
Does not exist
|
|
| vivid |
Does not exist
|
|
| Binaries built from this source package are in Universe and so are supported by the community. | ||