CVE-2019-11139
Published: 12 November 2019
Improper conditions check in the voltage modulation interface for some Intel(R) Xeon(R) Scalable Processors may allow a privileged user to potentially enable denial of service via local access.
From the Ubuntu Security Team
It was discovered that certain Intel Xeon processors did not properly restrict access to a voltage modulation interface. A local privileged attacker could use this to cause a denial of service (system crash).
Notes
| Author | Note |
|---|---|
| tyhicks | This issue only affects processors manufactured by Intel Kernel changes are not needed to mitigate this issue |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
intel-microcode Launchpad, Ubuntu, Debian |
bionic |
Released
(3.20191112-0ubuntu0.18.04.2)
|
| disco |
Released
(3.20191112-0ubuntu0.19.04.2)
|
|
| eoan |
Released
(3.20191112-0ubuntu0.19.10.2)
|
|
| trusty |
Released
(3.20191112-0ubuntu0.14.04.2)
|
|
| upstream |
Needs triage
|
|
| xenial |
Released
(3.20191112-0ubuntu0.16.04.2)
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 6.0 |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges required | High |
| User interaction | None |
| Scope | Changed |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H |