USN-2251-1: Linux kernel vulnerabilities

Published Jun 20, 2014
·
Updated

A bounds check error was discovered in the socket filter subsystem of the Linux kernel. A local user could exploit this flaw to cause a denial of service (system crash) via crafted BPF instructions. (CVE-2014-3144) A remainder calculation error was discovered in the socket filter subsystem of the Linux kernel. A local user could exploit this flaw to cause a denial of service (system crash) via crafted BPF instructions. (CVE-2014-3145)

Affected Software

28 affected componentsFixes available
All of the following
ubuntu/linux-image-2.6.32-62-powerpc-smp<2.6.32-62.125
2.6.32-62.125
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-62-versatile<2.6.32-62.125
2.6.32-62.125
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-62-server<2.6.32-62.125
2.6.32-62.125
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-62-powerpc64-smp<2.6.32-62.125
2.6.32-62.125
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-62-lpia<2.6.32-62.125
2.6.32-62.125
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-62-386<2.6.32-62.125
2.6.32-62.125
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-62-generic-pae<2.6.32-62.125
2.6.32-62.125
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-62-sparc64-smp<2.6.32-62.125
2.6.32-62.125
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-62-preempt<2.6.32-62.125
2.6.32-62.125
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-62-sparc64<2.6.32-62.125
2.6.32-62.125
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-62-virtual<2.6.32-62.125
2.6.32-62.125
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-62-ia64<2.6.32-62.125
2.6.32-62.125
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-62-generic<2.6.32-62.125
2.6.32-62.125
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-62-powerpc<2.6.32-62.125
2.6.32-62.125
Ubuntu Ubuntu=10.04

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade ubuntu/linux-image-2.6.32-62-powerpc-smp to a version that resolves this vulnerability.

    Fixed in 2.6.32-62.125
  2. Upgrade

    Upgrade ubuntu/linux-image-2.6.32-62-versatile to a version that resolves this vulnerability.

    Fixed in 2.6.32-62.125
  3. Upgrade

    Upgrade ubuntu/linux-image-2.6.32-62-server to a version that resolves this vulnerability.

    Fixed in 2.6.32-62.125
  4. Upgrade

    Upgrade ubuntu/linux-image-2.6.32-62-powerpc64-smp to a version that resolves this vulnerability.

    Fixed in 2.6.32-62.125
  5. Upgrade

    Upgrade ubuntu/linux-image-2.6.32-62-lpia to a version that resolves this vulnerability.

    Fixed in 2.6.32-62.125
  6. Upgrade

    Upgrade ubuntu/linux-image-2.6.32-62-386 to a version that resolves this vulnerability.

    Fixed in 2.6.32-62.125
  7. Upgrade

    Upgrade ubuntu/linux-image-2.6.32-62-generic-pae to a version that resolves this vulnerability.

    Fixed in 2.6.32-62.125
  8. Upgrade

    Upgrade ubuntu/linux-image-2.6.32-62-sparc64-smp to a version that resolves this vulnerability.

    Fixed in 2.6.32-62.125
  9. Upgrade

    Upgrade ubuntu/linux-image-2.6.32-62-preempt to a version that resolves this vulnerability.

    Fixed in 2.6.32-62.125
  10. Upgrade

    Upgrade ubuntu/linux-image-2.6.32-62-sparc64 to a version that resolves this vulnerability.

    Fixed in 2.6.32-62.125
  11. Upgrade

    Upgrade ubuntu/linux-image-2.6.32-62-virtual to a version that resolves this vulnerability.

    Fixed in 2.6.32-62.125
  12. Upgrade

    Upgrade ubuntu/linux-image-2.6.32-62-ia64 to a version that resolves this vulnerability.

    Fixed in 2.6.32-62.125
  13. Upgrade

    Upgrade ubuntu/linux-image-2.6.32-62-generic to a version that resolves this vulnerability.

    Fixed in 2.6.32-62.125
  14. Upgrade

    Upgrade ubuntu/linux-image-2.6.32-62-powerpc to a version that resolves this vulnerability.

    Fixed in 2.6.32-62.125

Event History

Jun 20, 2014
Advisory Published
via Ubuntu·12:00 AM

Child vulnerabilities

Contains the following vulnerabilities.

Frequently Asked Questions

1

What is the severity of USN-2251-1?

The severity of USN-2251-1 is categorized as high due to the potential for denial of service.

2

How do I fix USN-2251-1?

To fix USN-2251-1, update your Ubuntu system to version 2.6.32-62.125 or later.

3

Which versions of Ubuntu are affected by USN-2251-1?

Ubuntu 10.04 with kernel version prior to 2.6.32-62.125 is affected by USN-2251-1.

4

What vulnerability does USN-2251-1 address?

USN-2251-1 addresses a bounds check error and a remainder calculation error in the socket filter subsystem of the Linux kernel.

5

Can a remote attacker exploit USN-2251-1?

USN-2251-1 is a local vulnerability, meaning it can only be exploited by a local user with access to the system.

Company

Resources

Contact

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