USN-1677-1: Linux kernel vulnerability

Published Dec 20, 2012
·
Updated

A flaw was discovered in the Linux kernel's handling of new hot-plugged memory. An unprivileged local user could exploit this flaw to cause a denial of service by crashing the system.

Affected Software

16 affected componentsFixes available
All of the following
ubuntu/linux-image-3.0.0-29-powerpc64-smp<3.0.0-29.46
3.0.0-29.46
Ubuntu Ubuntu=11.10
All of the following
ubuntu/linux-image-3.0.0-29-generic<3.0.0-29.46
3.0.0-29.46
Ubuntu Ubuntu=11.10
All of the following
ubuntu/linux-image-3.0.0-29-powerpc<3.0.0-29.46
3.0.0-29.46
Ubuntu Ubuntu=11.10
All of the following
ubuntu/linux-image-3.0.0-29-virtual<3.0.0-29.46
3.0.0-29.46
Ubuntu Ubuntu=11.10
All of the following
ubuntu/linux-image-3.0.0-29-generic-pae<3.0.0-29.46
3.0.0-29.46
Ubuntu Ubuntu=11.10
All of the following
ubuntu/linux-image-3.0.0-29-omap<3.0.0-29.46
3.0.0-29.46
Ubuntu Ubuntu=11.10
All of the following
ubuntu/linux-image-3.0.0-29-powerpc-smp<3.0.0-29.46
3.0.0-29.46
Ubuntu Ubuntu=11.10
All of the following
ubuntu/linux-image-3.0.0-29-server<3.0.0-29.46
3.0.0-29.46
Ubuntu Ubuntu=11.10

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade ubuntu/linux-image-3.0.0-29-powerpc64-smp to a version that resolves this vulnerability.

    Fixed in 3.0.0-29.46
  2. Upgrade

    Upgrade ubuntu/linux-image-3.0.0-29-generic to a version that resolves this vulnerability.

    Fixed in 3.0.0-29.46
  3. Upgrade

    Upgrade ubuntu/linux-image-3.0.0-29-powerpc to a version that resolves this vulnerability.

    Fixed in 3.0.0-29.46
  4. Upgrade

    Upgrade ubuntu/linux-image-3.0.0-29-virtual to a version that resolves this vulnerability.

    Fixed in 3.0.0-29.46
  5. Upgrade

    Upgrade ubuntu/linux-image-3.0.0-29-generic-pae to a version that resolves this vulnerability.

    Fixed in 3.0.0-29.46
  6. Upgrade

    Upgrade ubuntu/linux-image-3.0.0-29-omap to a version that resolves this vulnerability.

    Fixed in 3.0.0-29.46
  7. Upgrade

    Upgrade ubuntu/linux-image-3.0.0-29-powerpc-smp to a version that resolves this vulnerability.

    Fixed in 3.0.0-29.46
  8. Upgrade

    Upgrade ubuntu/linux-image-3.0.0-29-server to a version that resolves this vulnerability.

    Fixed in 3.0.0-29.46

Event History

Dec 20, 2012
Advisory Published
via Ubuntu·12:00 AM

Child vulnerabilities

Contains the following vulnerabilities.

Frequently Asked Questions

1

What is the severity of USN-1677-1?

The vulnerability USN-1677-1 is classified as a denial of service flaw in the Linux kernel.

2

How do I fix USN-1677-1?

To resolve the USN-1677-1 vulnerability, upgrade to the Linux kernel version 3.0.0-29.46 or later.

3

Who is affected by USN-1677-1?

The USN-1677-1 vulnerability affects unprivileged local users on systems running specific Ubuntu 11.10 Linux kernel versions.

4

What systems are affected by USN-1677-1?

The affected systems include Ubuntu 11.10 running the specified versions of linux-image packages.

5

Can USN-1677-1 lead to data loss?

Yes, USN-1677-1 can lead to system crashes, which may result in potential data loss or corruption.

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