USN-3266-1: Linux kernel vulnerability

Published Apr 25, 2017
·
Updated

Alexander Popov discovered that a race condition existed in the Stream Control Transmission Protocol (SCTP) implementation in the Linux kernel. A local attacker could use this to cause a denial of service (system crash).

Affected Software

24 affected componentsFixes available
All of the following
ubuntu/linux-image-powerpc-smp<4.8.0.49.61
4.8.0.49.61
Ubuntu Ubuntu=16.10
All of the following
ubuntu/linux-image-powerpc-e500mc<4.8.0.49.61
4.8.0.49.61
Ubuntu Ubuntu=16.10
All of the following
ubuntu/linux-image-4.8.0-49-generic-lpae<4.8.0-49.52
4.8.0-49.52
Ubuntu Ubuntu=16.10
All of the following
ubuntu/linux-image-4.8.0-1035-raspi2<4.8.0-1035.38
4.8.0-1035.38
Ubuntu Ubuntu=16.10
All of the following
ubuntu/linux-image-generic-lpae<4.8.0.49.61
4.8.0.49.61
Ubuntu Ubuntu=16.10
All of the following
ubuntu/linux-image-4.8.0-49-lowlatency<4.8.0-49.52
4.8.0-49.52
Ubuntu Ubuntu=16.10
All of the following
ubuntu/linux-image-4.8.0-49-powerpc-smp<4.8.0-49.52
4.8.0-49.52
Ubuntu Ubuntu=16.10
All of the following
ubuntu/linux-image-4.8.0-49-powerpc-e500mc<4.8.0-49.52
4.8.0-49.52
Ubuntu Ubuntu=16.10
All of the following
ubuntu/linux-image-generic<4.8.0.49.61
4.8.0.49.61
Ubuntu Ubuntu=16.10
All of the following
ubuntu/linux-image-4.8.0-49-generic<4.8.0-49.52
4.8.0-49.52
Ubuntu Ubuntu=16.10
All of the following
ubuntu/linux-image-lowlatency<4.8.0.49.61
4.8.0.49.61
Ubuntu Ubuntu=16.10
All of the following
ubuntu/linux-image-raspi2<4.8.0.1035.39
4.8.0.1035.39
Ubuntu Ubuntu=16.10

Event History

Apr 25, 2017
Advisory Published
via Ubuntu·12:00 AM

Child vulnerabilities

Contains the following vulnerabilities.

Frequently Asked Questions

1

What is the vulnerability ID for this Linux kernel vulnerability?

The vulnerability ID for this Linux kernel vulnerability is USN-3266-1.

2

What is the impact of this vulnerability?

This vulnerability can cause a denial of service (system crash).

3

Which version of Ubuntu is affected by this vulnerability?

Ubuntu 16.10 is affected by this vulnerability.

4

Is there a remedy available for this vulnerability?

Yes, the remedy for this vulnerability is version 4.8.0.49.61 of the Linux kernel.

5

Where can I find more information about this vulnerability?

You can find more information about this vulnerability at the following references: [CVE-2017-5986](https://ubuntu.com/security/CVE-2017-5986), [USN-3264-1](https://ubuntu.com/security/notices/USN-3264-1), [USN-3264-2](https://ubuntu.com/security/notices/USN-3264-2).

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