USN-2511-1: Linux kernel vulnerabilities

Published Feb 26, 2015
·
Updated

A race condition was discovered in the Linux kernel's key ring. A local user could cause a denial of service (memory corruption or panic) or possibly have unspecified impact via the keyctl commands. (CVE-2014-9529) A memory leak was discovered in the ISO 9660 CDROM file system when parsing rock ridge ER records. A local user could exploit this flaw to obtain sensitive information from kernel memory via a crafted iso9660 image. (CVE-2014-9584)

Affected Software

28 affected componentsFixes available
All of the following
ubuntu/linux-image-2.6.32-73-lpia<2.6.32-73.140
2.6.32-73.140
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-73-powerpc64-smp<2.6.32-73.140
2.6.32-73.140
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-73-generic-pae<2.6.32-73.140
2.6.32-73.140
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-73-sparc64<2.6.32-73.140
2.6.32-73.140
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-73-generic<2.6.32-73.140
2.6.32-73.140
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-73-virtual<2.6.32-73.140
2.6.32-73.140
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-73-ia64<2.6.32-73.140
2.6.32-73.140
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-73-powerpc-smp<2.6.32-73.140
2.6.32-73.140
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-73-386<2.6.32-73.140
2.6.32-73.140
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-73-powerpc<2.6.32-73.140
2.6.32-73.140
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-73-server<2.6.32-73.140
2.6.32-73.140
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-73-versatile<2.6.32-73.140
2.6.32-73.140
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-73-sparc64-smp<2.6.32-73.140
2.6.32-73.140
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-73-preempt<2.6.32-73.140
2.6.32-73.140
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 2.6.32-73.140
  2. Upgrade

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

    Fixed in 2.6.32-73.140
  3. Upgrade

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

    Fixed in 2.6.32-73.140
  4. Upgrade

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

    Fixed in 2.6.32-73.140
  5. Upgrade

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

    Fixed in 2.6.32-73.140
  6. Upgrade

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

    Fixed in 2.6.32-73.140
  7. Upgrade

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

    Fixed in 2.6.32-73.140
  8. Upgrade

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

    Fixed in 2.6.32-73.140
  9. Upgrade

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

    Fixed in 2.6.32-73.140
  10. Upgrade

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

    Fixed in 2.6.32-73.140
  11. Upgrade

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

    Fixed in 2.6.32-73.140
  12. Upgrade

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

    Fixed in 2.6.32-73.140
  13. Upgrade

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

    Fixed in 2.6.32-73.140
  14. Upgrade

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

    Fixed in 2.6.32-73.140

Event History

Feb 26, 2015
Advisory Published
via Ubuntu·12:00 AM

Child vulnerabilities

Contains the following vulnerabilities.

Frequently Asked Questions

1

What is the severity of USN-2511-1?

The USN-2511-1 vulnerability has a high severity rating due to the potential for denial of service and memory corruption.

2

How do I fix USN-2511-1?

To fix USN-2511-1, update to the linux-image package version 2.6.32-73.140 or higher.

3

What systems are affected by USN-2511-1?

USN-2511-1 affects Ubuntu 10.04 systems running the linux-image versions specified in the advisory.

4

What are the potential impacts of USN-2511-1?

The potential impacts of USN-2511-1 include system crashes, memory leaks, and local denial of service attacks.

5

Is there a workaround for USN-2511-1?

There are no recommended workarounds for USN-2511-1; the primary mitigation is to apply the update.

Company

Resources

Contact

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