USN-2752-1: Linux kernel vulnerabilities

Published Sep 29, 2015
·
Updated

Benjamin Randazzo discovered an information leak in the md (multiple device) driver when the bitmapinfo.file is disabled. A local privileged attacker could use this to obtain sensitive information from the kernel. (CVE-2015-5697) Marc-André Lureau discovered that the vhost driver did not properly release the userspace provided log file descriptor. A privileged attacker could use this to cause a denial of service (resource exhaustion). (CVE-2015-6252)

Affected Software

14 affected componentsFixes available
All of the following
ubuntu/linux-image-3.19.0-30-powerpc64-smp<3.19.0-30.33
3.19.0-30.33
Ubuntu Ubuntu=15.04
All of the following
ubuntu/linux-image-3.19.0-30-generic<3.19.0-30.33
3.19.0-30.33
Ubuntu Ubuntu=15.04
All of the following
ubuntu/linux-image-3.19.0-30-powerpc64-emb<3.19.0-30.33
3.19.0-30.33
Ubuntu Ubuntu=15.04
All of the following
ubuntu/linux-image-3.19.0-30-powerpc-smp<3.19.0-30.33
3.19.0-30.33
Ubuntu Ubuntu=15.04
All of the following
ubuntu/linux-image-3.19.0-30-generic-lpae<3.19.0-30.33
3.19.0-30.33
Ubuntu Ubuntu=15.04
All of the following
ubuntu/linux-image-3.19.0-30-lowlatency<3.19.0-30.33
3.19.0-30.33
Ubuntu Ubuntu=15.04
All of the following
ubuntu/linux-image-3.19.0-30-powerpc-e500mc<3.19.0-30.33
3.19.0-30.33
Ubuntu Ubuntu=15.04

Event History

Sep 29, 2015
Advisory Published
via Ubuntu·12:00 AM

Child vulnerabilities

Contains the following vulnerabilities.

Frequently Asked Questions

1

What is the severity of USN-2752-1?

The severity of USN-2752-1 is moderate.

2

How can a local attacker exploit USN-2752-1?

A local privileged attacker could exploit USN-2752-1 to obtain sensitive information from the kernel.

3

Which version of Ubuntu is affected by USN-2752-1?

Ubuntu version 15.04 is affected by USN-2752-1.

4

How do I fix USN-2752-1?

To fix USN-2752-1, update your system to linux-image-3.19.0-30.33 version or higher.

5

Where can I find more information about USN-2752-1?

You can find more information about USN-2752-1 on the Ubuntu security website.

Contact

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