USN-2525-1: Linux kernel vulnerability

Published Mar 12, 2015
·
Updated

It was discovered that the Linux kernel's Infiniband subsystem did not properly sanitize its input parameters while registering memory regions from userspace. A local user could exploit this flaw to cause a denial of service (system crash) or to potentially gain administrative privileges.

Affected Software

28 affected componentsFixes available
All of the following
ubuntu/linux-image-2.6.32-73-lpia<2.6.32-73.141
2.6.32-73.141
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-73-powerpc64-smp<2.6.32-73.141
2.6.32-73.141
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-73-generic-pae<2.6.32-73.141
2.6.32-73.141
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-73-sparc64<2.6.32-73.141
2.6.32-73.141
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-73-generic<2.6.32-73.141
2.6.32-73.141
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-73-virtual<2.6.32-73.141
2.6.32-73.141
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-73-ia64<2.6.32-73.141
2.6.32-73.141
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-73-powerpc-smp<2.6.32-73.141
2.6.32-73.141
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-73-386<2.6.32-73.141
2.6.32-73.141
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-73-powerpc<2.6.32-73.141
2.6.32-73.141
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-73-server<2.6.32-73.141
2.6.32-73.141
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-73-versatile<2.6.32-73.141
2.6.32-73.141
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-73-sparc64-smp<2.6.32-73.141
2.6.32-73.141
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-73-preempt<2.6.32-73.141
2.6.32-73.141
Ubuntu Ubuntu=10.04

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade ubuntu/linux-image-2.6.32-73-lpia to a version that resolves this vulnerability.

    Fixed in 2.6.32-73.141
  2. Upgrade

    Upgrade ubuntu/linux-image-2.6.32-73-powerpc64-smp to a version that resolves this vulnerability.

    Fixed in 2.6.32-73.141
  3. Upgrade

    Upgrade ubuntu/linux-image-2.6.32-73-generic-pae to a version that resolves this vulnerability.

    Fixed in 2.6.32-73.141
  4. Upgrade

    Upgrade ubuntu/linux-image-2.6.32-73-sparc64 to a version that resolves this vulnerability.

    Fixed in 2.6.32-73.141
  5. Upgrade

    Upgrade ubuntu/linux-image-2.6.32-73-generic to a version that resolves this vulnerability.

    Fixed in 2.6.32-73.141
  6. Upgrade

    Upgrade ubuntu/linux-image-2.6.32-73-virtual to a version that resolves this vulnerability.

    Fixed in 2.6.32-73.141
  7. Upgrade

    Upgrade ubuntu/linux-image-2.6.32-73-ia64 to a version that resolves this vulnerability.

    Fixed in 2.6.32-73.141
  8. Upgrade

    Upgrade ubuntu/linux-image-2.6.32-73-powerpc-smp to a version that resolves this vulnerability.

    Fixed in 2.6.32-73.141
  9. Upgrade

    Upgrade ubuntu/linux-image-2.6.32-73-386 to a version that resolves this vulnerability.

    Fixed in 2.6.32-73.141
  10. Upgrade

    Upgrade ubuntu/linux-image-2.6.32-73-powerpc to a version that resolves this vulnerability.

    Fixed in 2.6.32-73.141
  11. Upgrade

    Upgrade ubuntu/linux-image-2.6.32-73-server to a version that resolves this vulnerability.

    Fixed in 2.6.32-73.141
  12. Upgrade

    Upgrade ubuntu/linux-image-2.6.32-73-versatile to a version that resolves this vulnerability.

    Fixed in 2.6.32-73.141
  13. Upgrade

    Upgrade ubuntu/linux-image-2.6.32-73-sparc64-smp to a version that resolves this vulnerability.

    Fixed in 2.6.32-73.141
  14. Upgrade

    Upgrade ubuntu/linux-image-2.6.32-73-preempt to a version that resolves this vulnerability.

    Fixed in 2.6.32-73.141

Event History

Mar 12, 2015
Advisory Published
via Ubuntu·12:00 AM

Child vulnerabilities

Contains the following vulnerabilities.

Frequently Asked Questions

1

What is the severity of USN-2525-1?

The severity of USN-2525-1 is classified as high due to potential denial of service and privilege escalation risks.

2

How do I fix USN-2525-1?

To fix USN-2525-1, update your Linux kernel to version 2.6.32-73.141 or later.

3

Which Ubuntu versions are affected by USN-2525-1?

USN-2525-1 affects Ubuntu 10.04 with specific kernel versions released prior to 2.6.32-73.141.

4

What are the potential impacts of USN-2525-1?

The potential impacts of USN-2525-1 include system crashes or unauthorized access through privilege escalation.

5

Is there a workaround for USN-2525-1?

Currently, there is no known workaround for USN-2525-1, and it is recommended to apply the patch promptly.

Company

Resources

Contact

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