USN-1493-1: Linux kernel vulnerabilities

Published Jun 29, 2012
·
Updated

Stephan Mueller reported a flaw in the Linux kernel's dl2k network driver's handling of ioctls. An unprivileged local user could leverage this flaw to cause a denial of service. (CVE-2012-2313) Timo Warns reported multiple flaws in the Linux kernel's hfsplus filesystem. An unprivileged local user could exploit these flaws to gain root system priviliges. (CVE-2012-2319)

Affected Software

36 affected componentsFixes available
All of the following
ubuntu/linux-image-2.6.24-31-powerpc<2.6.24-31.102
2.6.24-31.102
Ubuntu Ubuntu=8.04
All of the following
ubuntu/linux-image-2.6.24-31-sparc64<2.6.24-31.102
2.6.24-31.102
Ubuntu Ubuntu=8.04
All of the following
ubuntu/linux-image-2.6.24-31-virtual<2.6.24-31.102
2.6.24-31.102
Ubuntu Ubuntu=8.04
All of the following
ubuntu/linux-image-2.6.24-31-server<2.6.24-31.102
2.6.24-31.102
Ubuntu Ubuntu=8.04
All of the following
ubuntu/linux-image-2.6.24-31-hppa32<2.6.24-31.102
2.6.24-31.102
Ubuntu Ubuntu=8.04
All of the following
ubuntu/linux-image-2.6.24-31-lpiacompat<2.6.24-31.102
2.6.24-31.102
Ubuntu Ubuntu=8.04
All of the following
ubuntu/linux-image-2.6.24-31-rt<2.6.24-31.102
2.6.24-31.102
Ubuntu Ubuntu=8.04
All of the following
ubuntu/linux-image-2.6.24-31-lpia<2.6.24-31.102
2.6.24-31.102
Ubuntu Ubuntu=8.04
All of the following
ubuntu/linux-image-2.6.24-31-generic<2.6.24-31.102
2.6.24-31.102
Ubuntu Ubuntu=8.04
All of the following
ubuntu/linux-image-2.6.24-31-hppa64<2.6.24-31.102
2.6.24-31.102
Ubuntu Ubuntu=8.04
All of the following
ubuntu/linux-image-2.6.24-31-mckinley<2.6.24-31.102
2.6.24-31.102
Ubuntu Ubuntu=8.04
All of the following
ubuntu/linux-image-2.6.24-31-xen<2.6.24-31.102
2.6.24-31.102
Ubuntu Ubuntu=8.04
All of the following
ubuntu/linux-image-2.6.24-31-powerpc64-smp<2.6.24-31.102
2.6.24-31.102
Ubuntu Ubuntu=8.04
All of the following
ubuntu/linux-image-2.6.24-31-itanium<2.6.24-31.102
2.6.24-31.102
Ubuntu Ubuntu=8.04
All of the following
ubuntu/linux-image-2.6.24-31-openvz<2.6.24-31.102
2.6.24-31.102
Ubuntu Ubuntu=8.04
All of the following
ubuntu/linux-image-2.6.24-31-386<2.6.24-31.102
2.6.24-31.102
Ubuntu Ubuntu=8.04
All of the following
ubuntu/linux-image-2.6.24-31-sparc64-smp<2.6.24-31.102
2.6.24-31.102
Ubuntu Ubuntu=8.04
All of the following
ubuntu/linux-image-2.6.24-31-powerpc-smp<2.6.24-31.102
2.6.24-31.102
Ubuntu Ubuntu=8.04

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade ubuntu/linux-image-2.6.24-31-powerpc to a version that resolves this vulnerability.

    Fixed in 2.6.24-31.102
  2. Upgrade

    Upgrade ubuntu/linux-image-2.6.24-31-sparc64 to a version that resolves this vulnerability.

    Fixed in 2.6.24-31.102
  3. Upgrade

    Upgrade ubuntu/linux-image-2.6.24-31-virtual to a version that resolves this vulnerability.

    Fixed in 2.6.24-31.102
  4. Upgrade

    Upgrade ubuntu/linux-image-2.6.24-31-server to a version that resolves this vulnerability.

    Fixed in 2.6.24-31.102
  5. Upgrade

    Upgrade ubuntu/linux-image-2.6.24-31-hppa32 to a version that resolves this vulnerability.

    Fixed in 2.6.24-31.102
  6. Upgrade

    Upgrade ubuntu/linux-image-2.6.24-31-lpiacompat to a version that resolves this vulnerability.

    Fixed in 2.6.24-31.102
  7. Upgrade

    Upgrade ubuntu/linux-image-2.6.24-31-rt to a version that resolves this vulnerability.

    Fixed in 2.6.24-31.102
  8. Upgrade

    Upgrade ubuntu/linux-image-2.6.24-31-lpia to a version that resolves this vulnerability.

    Fixed in 2.6.24-31.102
  9. Upgrade

    Upgrade ubuntu/linux-image-2.6.24-31-generic to a version that resolves this vulnerability.

    Fixed in 2.6.24-31.102
  10. Upgrade

    Upgrade ubuntu/linux-image-2.6.24-31-hppa64 to a version that resolves this vulnerability.

    Fixed in 2.6.24-31.102
  11. Upgrade

    Upgrade ubuntu/linux-image-2.6.24-31-mckinley to a version that resolves this vulnerability.

    Fixed in 2.6.24-31.102
  12. Upgrade

    Upgrade ubuntu/linux-image-2.6.24-31-xen to a version that resolves this vulnerability.

    Fixed in 2.6.24-31.102
  13. Upgrade

    Upgrade ubuntu/linux-image-2.6.24-31-powerpc64-smp to a version that resolves this vulnerability.

    Fixed in 2.6.24-31.102
  14. Upgrade

    Upgrade ubuntu/linux-image-2.6.24-31-itanium to a version that resolves this vulnerability.

    Fixed in 2.6.24-31.102
  15. Upgrade

    Upgrade ubuntu/linux-image-2.6.24-31-openvz to a version that resolves this vulnerability.

    Fixed in 2.6.24-31.102
  16. Upgrade

    Upgrade ubuntu/linux-image-2.6.24-31-386 to a version that resolves this vulnerability.

    Fixed in 2.6.24-31.102
  17. Upgrade

    Upgrade ubuntu/linux-image-2.6.24-31-sparc64-smp to a version that resolves this vulnerability.

    Fixed in 2.6.24-31.102
  18. Upgrade

    Upgrade ubuntu/linux-image-2.6.24-31-powerpc-smp to a version that resolves this vulnerability.

    Fixed in 2.6.24-31.102

Event History

Jun 29, 2012
Advisory Published
via Ubuntu·12:00 AM

Child vulnerabilities

Contains the following vulnerabilities.

Frequently Asked Questions

1

What is the severity of USN-1493-1?

USN-1493-1 addresses multiple vulnerabilities in the Linux kernel that could allow denial of service attacks.

2

How do I fix USN-1493-1?

To fix USN-1493-1, upgrade to version 2.6.24-31.102 or later of the affected Linux kernel packages.

3

Which systems are affected by USN-1493-1?

USN-1493-1 affects Ubuntu 8.04 users running various versions of the Linux kernel up to 2.6.24-31.102.

4

What types of vulnerabilities are included in USN-1493-1?

USN-1493-1 includes vulnerabilities in the dl2k network driver and the hfsplus filesystem.

5

Are there any known exploits for USN-1493-1?

While specific exploits are not detailed, the vulnerabilities may allow unprivileged local users to cause denial of service.

Company

Resources

Contact

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