USN-1344-1: Linux kernel vulnerabilities

Published Jan 24, 2012
·
Updated

Clement Lecigne discovered a bug in the HFS filesystem. A local attacker could exploit this to cause a kernel oops. (CVE-2011-2203) A flaw was found in how the Linux kernel handles user-defined key types. An unprivileged local user could exploit this to crash the system. (CVE-2011-4110)

Affected Software

28 affected componentsFixes available
All of the following
ubuntu/linux-image-2.6.32-38-powerpc<2.6.32-38.83
2.6.32-38.83
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-38-386<2.6.32-38.83
2.6.32-38.83
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-38-sparc64<2.6.32-38.83
2.6.32-38.83
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-38-generic-pae<2.6.32-38.83
2.6.32-38.83
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-38-preempt<2.6.32-38.83
2.6.32-38.83
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-38-lpia<2.6.32-38.83
2.6.32-38.83
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-38-sparc64-smp<2.6.32-38.83
2.6.32-38.83
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-38-powerpc64-smp<2.6.32-38.83
2.6.32-38.83
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-38-versatile<2.6.32-38.83
2.6.32-38.83
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-38-generic<2.6.32-38.83
2.6.32-38.83
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-38-ia64<2.6.32-38.83
2.6.32-38.83
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-38-server<2.6.32-38.83
2.6.32-38.83
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-38-powerpc-smp<2.6.32-38.83
2.6.32-38.83
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-38-virtual<2.6.32-38.83
2.6.32-38.83
Ubuntu Ubuntu=10.04

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade ubuntu/linux-image-2.6.32-38-powerpc to a version that resolves this vulnerability.

    Fixed in 2.6.32-38.83
  2. Upgrade

    Upgrade ubuntu/linux-image-2.6.32-38-386 to a version that resolves this vulnerability.

    Fixed in 2.6.32-38.83
  3. Upgrade

    Upgrade ubuntu/linux-image-2.6.32-38-sparc64 to a version that resolves this vulnerability.

    Fixed in 2.6.32-38.83
  4. Upgrade

    Upgrade ubuntu/linux-image-2.6.32-38-generic-pae to a version that resolves this vulnerability.

    Fixed in 2.6.32-38.83
  5. Upgrade

    Upgrade ubuntu/linux-image-2.6.32-38-preempt to a version that resolves this vulnerability.

    Fixed in 2.6.32-38.83
  6. Upgrade

    Upgrade ubuntu/linux-image-2.6.32-38-lpia to a version that resolves this vulnerability.

    Fixed in 2.6.32-38.83
  7. Upgrade

    Upgrade ubuntu/linux-image-2.6.32-38-sparc64-smp to a version that resolves this vulnerability.

    Fixed in 2.6.32-38.83
  8. Upgrade

    Upgrade ubuntu/linux-image-2.6.32-38-powerpc64-smp to a version that resolves this vulnerability.

    Fixed in 2.6.32-38.83
  9. Upgrade

    Upgrade ubuntu/linux-image-2.6.32-38-versatile to a version that resolves this vulnerability.

    Fixed in 2.6.32-38.83
  10. Upgrade

    Upgrade ubuntu/linux-image-2.6.32-38-generic to a version that resolves this vulnerability.

    Fixed in 2.6.32-38.83
  11. Upgrade

    Upgrade ubuntu/linux-image-2.6.32-38-ia64 to a version that resolves this vulnerability.

    Fixed in 2.6.32-38.83
  12. Upgrade

    Upgrade ubuntu/linux-image-2.6.32-38-server to a version that resolves this vulnerability.

    Fixed in 2.6.32-38.83
  13. Upgrade

    Upgrade ubuntu/linux-image-2.6.32-38-powerpc-smp to a version that resolves this vulnerability.

    Fixed in 2.6.32-38.83
  14. Upgrade

    Upgrade ubuntu/linux-image-2.6.32-38-virtual to a version that resolves this vulnerability.

    Fixed in 2.6.32-38.83

Event History

Jan 24, 2012
Advisory Published
via Ubuntu·12:00 AM

Child vulnerabilities

Contains the following vulnerabilities.

Frequently Asked Questions

1

What is the severity of USN-1344-1?

The vulnerabilities associated with USN-1344-1 can lead to system crashes and potential denial of service if exploited.

2

How do I fix USN-1344-1?

To fix USN-1344-1, upgrade to the kernel version 2.6.32-38.83 or later.

3

What are the impacts of USN-1344-1?

USN-1344-1 can cause kernel oops and system crashes when exploited by an unprivileged local user.

4

Who discovered the vulnerabilities in USN-1344-1?

The vulnerabilities in USN-1344-1 were discovered by Clement Lecigne.

5

Which versions of Ubuntu are affected by USN-1344-1?

Ubuntu 10.04 is the affected version for USN-1344-1.

Company

Resources

Contact

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