USN-3106-2: Linux kernel (Xenial HWE) vulnerability
USN-3106-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement (HWE) kernel from Ubuntu 16.04 LTS for Ubuntu 14.04 LTS. It was discovered that a race condition existed in the memory manager of the Linux kernel when handling copy-on-write breakage of private read-only memory mappings. A local attacker could use this to gain administrative privileges.
Affected Software
Event History
Frequently Asked Questions
What is the severity of USN-3106-2?
USN-3106-2 addresses a vulnerability with a high severity rating in the Linux kernel affecting Ubuntu 14.04 LTS.
How do I fix USN-3106-2?
To fix USN-3106-2, update the Linux kernel to version 4.4.0-45.66~14.04.1 or later.
What systems are affected by USN-3106-2?
USN-3106-2 affects systems running Ubuntu 14.04 LTS using the Linux HWE kernel.
What vulnerability does USN-3106-2 mitigate?
USN-3106-2 mitigates the vulnerability identified as CVE-2016-5195.
Is it necessary to reboot after applying USN-3106-2?
Yes, a reboot is necessary to ensure the updated kernel is loaded after applying USN-3106-2.