USN-3484-1: Linux kernel vulnerability
It was discovered that the KVM subsystem in the Linux kernel did not properly keep track of nested levels in guest page tables. A local attacker in a guest VM could use this to cause a denial of service (host OS crash) or possibly execute arbitrary code in the host OS.
Affected Software
Event History
Frequently Asked Questions
What is the vulnerability ID for the Linux kernel vulnerability?
The vulnerability ID for the Linux kernel vulnerability is USN-3484-1.
What is the impact of the Linux kernel vulnerability?
The Linux kernel vulnerability can cause a denial of service (host OS crash) or potentially execute arbitrary code in the host OS.
Which version of the Linux kernel is affected by the vulnerability?
The Linux kernel versions 4.10.0-40-generic, 4.10.0-40-lowlatency, 4.10.0.40.40, 4.10.0-40-generic-lpae, 4.10.0.40.40, 4.10.0.40.40, 4.10.0.1021.22, and 4.10.0-1021.24 are affected by the vulnerability.
How do I fix the Linux kernel vulnerability?
To fix the Linux kernel vulnerability, update your Ubuntu system to version 4.10.0-40.44 or later.
Where can I find more information about the Linux kernel vulnerability?
More information about the Linux kernel vulnerability can be found at the following references: [USN-3487-1](https://ubuntu.com/security/notices/USN-3487-1) and [USN-3484-2](https://ubuntu.com/security/notices/USN-3484-2).