USN-3106-1: Linux kernel vulnerability
Published Oct 20, 2016
·Updated
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
14 affected componentsFixes available
All of the following
ubuntu/linux-image-4.4.0-45-generic<4.4.0-45.66
4.4.0-45.66
Ubuntu Ubuntu=16.04
All of the following
ubuntu/linux-image-4.4.0-45-generic-lpae<4.4.0-45.66
4.4.0-45.66
Ubuntu Ubuntu=16.04
All of the following
ubuntu/linux-image-4.4.0-45-lowlatency<4.4.0-45.66
4.4.0-45.66
Ubuntu Ubuntu=16.04
All of the following
ubuntu/linux-image-4.4.0-45-powerpc-e500mc<4.4.0-45.66
4.4.0-45.66
Ubuntu Ubuntu=16.04
All of the following
ubuntu/linux-image-4.4.0-45-powerpc-smp<4.4.0-45.66
4.4.0-45.66
Ubuntu Ubuntu=16.04
All of the following
ubuntu/linux-image-4.4.0-45-powerpc64-emb<4.4.0-45.66
4.4.0-45.66
Ubuntu Ubuntu=16.04
All of the following
ubuntu/linux-image-4.4.0-45-powerpc64-smp<4.4.0-45.66
4.4.0-45.66
Ubuntu Ubuntu=16.04
Event History
Oct 20, 2016
Advisory Published
via Ubuntu·12:00 AM
Frequently Asked Questions
1
What is the severity of USN-3106-1?
USN-3106-1 is classified as a high severity vulnerability due to the potential for a local attacker to gain administrative privileges.
2
How do I fix USN-3106-1?
To mitigate USN-3106-1, you should update to the Linux kernel version 4.4.0-45.66 or later.
3
Who is affected by USN-3106-1?
USN-3106-1 affects Ubuntu 16.04 systems using specific versions of the Linux kernel.
4
What type of vulnerability is USN-3106-1?
USN-3106-1 is a race condition vulnerability related to the memory manager in the Linux kernel.
5
Can USN-3106-1 be exploited remotely?
USN-3106-1 requires local access to the system for exploitation, making it less of a remote threat.