USN-2738-1: Linux kernel vulnerability

Published Sep 9, 2015
·
Updated

It was discovered that an integer overflow error existed in the SCSI generic (sg) driver in the Linux kernel. A local attacker with write permission to a SCSI generic device could use this to cause a denial of service (system crash) or potentially escalate their privileges.

Affected Software

14 affected componentsFixes available
All of the following
ubuntu/linux-image-3.19.0-28-lowlatency<3.19.0-28.30
3.19.0-28.30
Ubuntu Ubuntu=15.04
All of the following
ubuntu/linux-image-3.19.0-28-powerpc64-emb<3.19.0-28.30
3.19.0-28.30
Ubuntu Ubuntu=15.04
All of the following
ubuntu/linux-image-3.19.0-28-powerpc-smp<3.19.0-28.30
3.19.0-28.30
Ubuntu Ubuntu=15.04
All of the following
ubuntu/linux-image-3.19.0-28-generic-lpae<3.19.0-28.30
3.19.0-28.30
Ubuntu Ubuntu=15.04
All of the following
ubuntu/linux-image-3.19.0-28-generic<3.19.0-28.30
3.19.0-28.30
Ubuntu Ubuntu=15.04
All of the following
ubuntu/linux-image-3.19.0-28-powerpc-e500mc<3.19.0-28.30
3.19.0-28.30
Ubuntu Ubuntu=15.04
All of the following
ubuntu/linux-image-3.19.0-28-powerpc64-smp<3.19.0-28.30
3.19.0-28.30
Ubuntu Ubuntu=15.04

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade ubuntu/linux-image-3.19.0-28-lowlatency to a version that resolves this vulnerability.

    Fixed in 3.19.0-28.30
  2. Upgrade

    Upgrade ubuntu/linux-image-3.19.0-28-powerpc64-emb to a version that resolves this vulnerability.

    Fixed in 3.19.0-28.30
  3. Upgrade

    Upgrade ubuntu/linux-image-3.19.0-28-powerpc-smp to a version that resolves this vulnerability.

    Fixed in 3.19.0-28.30
  4. Upgrade

    Upgrade ubuntu/linux-image-3.19.0-28-generic-lpae to a version that resolves this vulnerability.

    Fixed in 3.19.0-28.30
  5. Upgrade

    Upgrade ubuntu/linux-image-3.19.0-28-generic to a version that resolves this vulnerability.

    Fixed in 3.19.0-28.30
  6. Upgrade

    Upgrade ubuntu/linux-image-3.19.0-28-powerpc-e500mc to a version that resolves this vulnerability.

    Fixed in 3.19.0-28.30
  7. Upgrade

    Upgrade ubuntu/linux-image-3.19.0-28-powerpc64-smp to a version that resolves this vulnerability.

    Fixed in 3.19.0-28.30

Event History

Sep 9, 2015
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-2738-1.

2

What is the impact of this vulnerability?

This vulnerability can cause a denial of service (system crash) or potentially escalate privileges.

3

Which version of the Linux kernel is affected by this vulnerability?

The Linux kernel version 3.19.0-28.30 is affected by this vulnerability.

4

How can I fix this vulnerability in Ubuntu?

To fix this vulnerability in Ubuntu, update the linux-image-3.19.0-28 packages to version 3.19.0-28.30.

5

Where can I find more information about this vulnerability?

You can find more information about this vulnerability on the Ubuntu website using the provided references.

Company

Resources

Contact

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