LSN-0067-1: Kernel Live Patch Security Notice
20 May 2020
Several security issues were fixed in the kernel.
Releases
Software Description
- aws - Linux kernel for Amazon Web Services (AWS) systems - (>= 4.15.0-1054, >= 4.4.0-1098)
- azure - Linux kernel for Microsoft Azure Cloud systems - (>= 5.0.0-1025)
- gcp - Linux kernel for Google Cloud Platform (GCP) systems - (>= 5.0.0-1025)
- generic-4.15 - Linux kernel - (>= 4.15.0-69)
- generic-4.4 - Linux kernel - (>= 4.4.0-168)
- lowlatency-4.15 - Linux kernel - (>= 4.15.0-69)
- lowlatency-4.4 - Linux kernel - (>= 4.4.0-168)
- oem - Linux kernel for OEM systems - (>= 4.15.0-1063)
Details
It was discovered that the Serial CAN interface driver in the Linux kernel
did not properly initialize data. A local attacker could use this to expose
sensitive information (kernel memory). (CVE-2020-11494)
Checking update status
The problem can be corrected in these Livepatch versions:
| Kernel type | 18.04 | 16.04 |
|---|---|---|
| aws | 67.1 | 67.1 |
| azure | 67.1 | — |
| gcp | 67.1 | — |
| generic-4.15 | 67.1 | — |
| generic-4.4 | — | 67.1 |
| lowlatency-4.15 | 67.1 | — |
| lowlatency-4.4 | — | 67.1 |
| oem | 67.1 | — |
To check your kernel type and Livepatch version, enter this command:
canonical-livepatch status