USN-3313-1: Linux kernel vulnerability

Published Jun 6, 2017
·
Updated

It was discovered that a buffer overflow existed in the trace subsystem in the Linux kernel. A privileged local attacker could use this to execute arbitrary code.

Affected Software

28 affected componentsFixes available
All of the following
ubuntu/linux-image-4.8.0-54-generic<4.8.0-54.57
4.8.0-54.57
Ubuntu Ubuntu=16.10
All of the following
ubuntu/linux-image-powerpc-e500mc<4.8.0.54.66
4.8.0.54.66
Ubuntu Ubuntu=16.10
All of the following
ubuntu/linux-image-4.8.0-54-powerpc-smp<4.8.0-54.57
4.8.0-54.57
Ubuntu Ubuntu=16.10
All of the following
ubuntu/linux-image-4.8.0-54-powerpc-e500mc<4.8.0-54.57
4.8.0-54.57
Ubuntu Ubuntu=16.10
All of the following
ubuntu/linux-image-powerpc-smp<4.8.0.54.66
4.8.0.54.66
Ubuntu Ubuntu=16.10
All of the following
ubuntu/linux-image-generic<4.8.0.54.66
4.8.0.54.66
Ubuntu Ubuntu=16.10
All of the following
ubuntu/linux-image-4.8.0-54-lowlatency<4.8.0-54.57
4.8.0-54.57
Ubuntu Ubuntu=16.10
All of the following
ubuntu/linux-image-4.8.0-54-generic-lpae<4.8.0-54.57
4.8.0-54.57
Ubuntu Ubuntu=16.10
All of the following
ubuntu/linux-image-lowlatency<4.8.0.54.66
4.8.0.54.66
Ubuntu Ubuntu=16.10
All of the following
ubuntu/linux-image-4.8.0-1038-raspi2<4.8.0-1038.41
4.8.0-1038.41
Ubuntu Ubuntu=16.10
All of the following
ubuntu/linux-image-generic-lpae<4.8.0.54.66
4.8.0.54.66
Ubuntu Ubuntu=16.10
All of the following
ubuntu/linux-image-4.8.0-54-powerpc64-emb<4.8.0-54.57
4.8.0-54.57
Ubuntu Ubuntu=16.10
All of the following
ubuntu/linux-image-powerpc64-emb<4.8.0.54.66
4.8.0.54.66
Ubuntu Ubuntu=16.10
All of the following
ubuntu/linux-image-raspi2<4.8.0.1038.42
4.8.0.1038.42
Ubuntu Ubuntu=16.10

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade ubuntu/linux-image-4.8.0-54-generic to a version that resolves this vulnerability.

    Fixed in 4.8.0-54.57
  2. Upgrade

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

    Fixed in 4.8.0.54.66
  3. Upgrade

    Upgrade ubuntu/linux-image-4.8.0-54-powerpc-smp to a version that resolves this vulnerability.

    Fixed in 4.8.0-54.57
  4. Upgrade

    Upgrade ubuntu/linux-image-4.8.0-54-powerpc-e500mc to a version that resolves this vulnerability.

    Fixed in 4.8.0-54.57
  5. Upgrade

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

    Fixed in 4.8.0.54.66
  6. Upgrade

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

    Fixed in 4.8.0.54.66
  7. Upgrade

    Upgrade ubuntu/linux-image-4.8.0-54-lowlatency to a version that resolves this vulnerability.

    Fixed in 4.8.0-54.57
  8. Upgrade

    Upgrade ubuntu/linux-image-4.8.0-54-generic-lpae to a version that resolves this vulnerability.

    Fixed in 4.8.0-54.57
  9. Upgrade

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

    Fixed in 4.8.0.54.66
  10. Upgrade

    Upgrade ubuntu/linux-image-4.8.0-1038-raspi2 to a version that resolves this vulnerability.

    Fixed in 4.8.0-1038.41
  11. Upgrade

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

    Fixed in 4.8.0.54.66
  12. Upgrade

    Upgrade ubuntu/linux-image-4.8.0-54-powerpc64-emb to a version that resolves this vulnerability.

    Fixed in 4.8.0-54.57
  13. Upgrade

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

    Fixed in 4.8.0.54.66
  14. Upgrade

    Upgrade ubuntu/linux-image-raspi2 to a version that resolves this vulnerability.

    Fixed in 4.8.0.1038.42

Event History

Jun 6, 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-3313-1.

2

What is the severity of USN-3313-1?

The severity of USN-3313-1 is not specified in the provided information. Please refer to the provided references for more details.

3

How can a privileged local attacker exploit USN-3313-1?

A privileged local attacker can exploit USN-3313-1 by using a buffer overflow in the trace subsystem to execute arbitrary code.

4

Which versions of Ubuntu are affected by USN-3313-1?

Ubuntu 16.10 is affected by USN-3313-1.

5

How can I fix USN-3313-1?

To fix USN-3313-1, update the Linux kernel to version 4.8.0-54.57 or later. Refer to the provided references for more information.

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