USN-1507-1: Linux kernel vulnerabilities

Published Jul 17, 2012
·
Updated

A flaw was found in the Linux kernel's KVM (Kernel Virtual Machine) virtual cpu setup. An unprivileged local user could exploit this flaw to crash the system leading to a denial of service. (CVE-2012-1601) An error was found in the Linux kernel's IPv6 netfilter when connection tracking is enabled. A remote attacker could exploit this flaw to crash a system if it is using IPv6 with the nfcontrackipv6 kernel module loaded. (CVE-2012-2744)

Affected Software

36 affected componentsFixes available
All of the following
ubuntu/linux-image-2.6.24-32-itanium<2.6.24-32.104
2.6.24-32.104
Ubuntu Ubuntu=8.04
All of the following
ubuntu/linux-image-2.6.24-32-powerpc<2.6.24-32.104
2.6.24-32.104
Ubuntu Ubuntu=8.04
All of the following
ubuntu/linux-image-2.6.24-32-powerpc64-smp<2.6.24-32.104
2.6.24-32.104
Ubuntu Ubuntu=8.04
All of the following
ubuntu/linux-image-2.6.24-32-sparc64<2.6.24-32.104
2.6.24-32.104
Ubuntu Ubuntu=8.04
All of the following
ubuntu/linux-image-2.6.24-32-server<2.6.24-32.104
2.6.24-32.104
Ubuntu Ubuntu=8.04
All of the following
ubuntu/linux-image-2.6.24-32-openvz<2.6.24-32.104
2.6.24-32.104
Ubuntu Ubuntu=8.04
All of the following
ubuntu/linux-image-2.6.24-32-386<2.6.24-32.104
2.6.24-32.104
Ubuntu Ubuntu=8.04
All of the following
ubuntu/linux-image-2.6.24-32-hppa32<2.6.24-32.104
2.6.24-32.104
Ubuntu Ubuntu=8.04
All of the following
ubuntu/linux-image-2.6.24-32-lpiacompat<2.6.24-32.104
2.6.24-32.104
Ubuntu Ubuntu=8.04
All of the following
ubuntu/linux-image-2.6.24-32-mckinley<2.6.24-32.104
2.6.24-32.104
Ubuntu Ubuntu=8.04
All of the following
ubuntu/linux-image-2.6.24-32-lpia<2.6.24-32.104
2.6.24-32.104
Ubuntu Ubuntu=8.04
All of the following
ubuntu/linux-image-2.6.24-32-xen<2.6.24-32.104
2.6.24-32.104
Ubuntu Ubuntu=8.04
All of the following
ubuntu/linux-image-2.6.24-32-hppa64<2.6.24-32.104
2.6.24-32.104
Ubuntu Ubuntu=8.04
All of the following
ubuntu/linux-image-2.6.24-32-powerpc-smp<2.6.24-32.104
2.6.24-32.104
Ubuntu Ubuntu=8.04
All of the following
ubuntu/linux-image-2.6.24-32-generic<2.6.24-32.104
2.6.24-32.104
Ubuntu Ubuntu=8.04
All of the following
ubuntu/linux-image-2.6.24-32-rt<2.6.24-32.104
2.6.24-32.104
Ubuntu Ubuntu=8.04
All of the following
ubuntu/linux-image-2.6.24-32-virtual<2.6.24-32.104
2.6.24-32.104
Ubuntu Ubuntu=8.04
All of the following
ubuntu/linux-image-2.6.24-32-sparc64-smp<2.6.24-32.104
2.6.24-32.104
Ubuntu Ubuntu=8.04

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade ubuntu/linux-image-2.6.24-32-itanium to a version that resolves this vulnerability.

    Fixed in 2.6.24-32.104
  2. Upgrade

    Upgrade ubuntu/linux-image-2.6.24-32-powerpc to a version that resolves this vulnerability.

    Fixed in 2.6.24-32.104
  3. Upgrade

    Upgrade ubuntu/linux-image-2.6.24-32-powerpc64-smp to a version that resolves this vulnerability.

    Fixed in 2.6.24-32.104
  4. Upgrade

    Upgrade ubuntu/linux-image-2.6.24-32-sparc64 to a version that resolves this vulnerability.

    Fixed in 2.6.24-32.104
  5. Upgrade

    Upgrade ubuntu/linux-image-2.6.24-32-server to a version that resolves this vulnerability.

    Fixed in 2.6.24-32.104
  6. Upgrade

    Upgrade ubuntu/linux-image-2.6.24-32-openvz to a version that resolves this vulnerability.

    Fixed in 2.6.24-32.104
  7. Upgrade

    Upgrade ubuntu/linux-image-2.6.24-32-386 to a version that resolves this vulnerability.

    Fixed in 2.6.24-32.104
  8. Upgrade

    Upgrade ubuntu/linux-image-2.6.24-32-hppa32 to a version that resolves this vulnerability.

    Fixed in 2.6.24-32.104
  9. Upgrade

    Upgrade ubuntu/linux-image-2.6.24-32-lpiacompat to a version that resolves this vulnerability.

    Fixed in 2.6.24-32.104
  10. Upgrade

    Upgrade ubuntu/linux-image-2.6.24-32-mckinley to a version that resolves this vulnerability.

    Fixed in 2.6.24-32.104
  11. Upgrade

    Upgrade ubuntu/linux-image-2.6.24-32-lpia to a version that resolves this vulnerability.

    Fixed in 2.6.24-32.104
  12. Upgrade

    Upgrade ubuntu/linux-image-2.6.24-32-xen to a version that resolves this vulnerability.

    Fixed in 2.6.24-32.104
  13. Upgrade

    Upgrade ubuntu/linux-image-2.6.24-32-hppa64 to a version that resolves this vulnerability.

    Fixed in 2.6.24-32.104
  14. Upgrade

    Upgrade ubuntu/linux-image-2.6.24-32-powerpc-smp to a version that resolves this vulnerability.

    Fixed in 2.6.24-32.104
  15. Upgrade

    Upgrade ubuntu/linux-image-2.6.24-32-generic to a version that resolves this vulnerability.

    Fixed in 2.6.24-32.104
  16. Upgrade

    Upgrade ubuntu/linux-image-2.6.24-32-rt to a version that resolves this vulnerability.

    Fixed in 2.6.24-32.104
  17. Upgrade

    Upgrade ubuntu/linux-image-2.6.24-32-virtual to a version that resolves this vulnerability.

    Fixed in 2.6.24-32.104
  18. Upgrade

    Upgrade ubuntu/linux-image-2.6.24-32-sparc64-smp to a version that resolves this vulnerability.

    Fixed in 2.6.24-32.104

Event History

Jul 17, 2012
Advisory Published
via Ubuntu·12:00 AM

Child vulnerabilities

Contains the following vulnerabilities.

Frequently Asked Questions

1

What is the severity of USN-1507-1?

The severity of USN-1507-1 is classified as high due to the potential for unprivileged local users to crash the system.

2

How do I fix USN-1507-1?

To fix USN-1507-1, update your Linux kernel to version 2.6.24-32.104 or later.

3

What vulnerabilities are addressed in USN-1507-1?

USN-1507-1 addresses vulnerabilities related to the KVM virtual CPU setup and the IPv6 netfilter connection tracking.

4

Which Ubuntu versions are affected by USN-1507-1?

USN-1507-1 affects Ubuntu 8.04 with specific Linux kernel packages.

5

Can USN-1507-1 lead to denial of service?

Yes, the vulnerabilities in USN-1507-1 can be exploited to cause a denial of service.

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