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Ubuntu 8.04 LTS USN-1225-1: Critical Kernel Flaws and Attacks

ubuntu
Calendar Grey October 4, 2011
Scroller Ubuntu
Address severe kernel vulnerabilities in Ubuntu 8.04 LTS by updating the system, verifying changes, and enhancing security with a firewall and regular updates
Multiple kernel flaws have been fixed.

Summary

Multiple kernel flaws have been fixed.

Software Description:

- linux: Linux kernel

Details:

Timo Warns discovered that the EFI GUID partition table was not correctly

parsed. A physically local attacker that could insert mountable devices

could exploit this to crash the system or possibly gain root privileges.

(CVE-2011-1776)

Dan Rosenberg discovered that the IPv4 diagnostic routines did not

correctly validate certain requests. A local attacker could exploit this to

consume CPU resources, leading to a denial of service. (CVE-2011-2213)

Dan Rosenberg discovered that the Bluetooth stack incorrectly handled

certain L2CAP requests. If a system was using Bluetooth, a remote attacker

could send specially crafted traffic to crash the system or gain root

privileges. (CVE-2011-2497)

Fernando Gont discovered that the IPv6 stack used predictable fragment

identification numbers. A remote attacker could exploit this to exhaust

network resources, leading to a denial ...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory critical issue kernel flaw ubuntu system fix

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 8.04 LTS:
  linux-image-2.6.24-29-386       2.6.24-29.94
  linux-image-2.6.24-29-generic   2.6.24-29.94
  linux-image-2.6.24-29-hppa32    2.6.24-29.94
  linux-image-2.6.24-29-hppa64    2.6.24-29.94
  linux-image-2.6.24-29-itanium   2.6.24-29.94
  linux-image-2.6.24-29-lpia      2.6.24-29.94
  linux-image-2.6.24-29-lpiacompat  2.6.24-29.94
  linux-image-2.6.24-29-mckinley  2.6.24-29.94
  linux-image-2.6.24-29-openvz    2.6.24-29.94
  linux-image-2.6.24-29-powerpc   2.6.24-29.94
  linux-image-2.6.24-29-powerpc-smp  2.6.24-29.94
  linux-image-2.6.24-29-powerpc64-smp  2.6.24-29.94
  linux-image-2.6.24-29-rt        2.6.24-29.94
  linux-image-2.6.24-29-server    2.6.24-29.94
  linux-image-2.6.24-29-sparc64   2.6.24-29.94
  linux-image-2.6.24-29-sparc64-smp  2.6.24-29.94
  linux-image-2.6.24-29-virtual   2.6.24-29.94
  linux-image-2.6.24-29-xen       2.6.24-29.94

After a standard system update you need to reboot your computer to make
all the necessary changes.

References

https://ubuntu.com/security/notices/USN-1225-1

CVE-2011-1776, CVE-2011-2213, CVE-2011-2497, CVE-2011-2699,

CVE-2011-2928, CVE-2011-3191

Severity
critical
Lowest
Low
Medium
High
Critical

October 04, 2011

Topics%20covered

Topics Covered

security advisory critical issue kernel flaw ubuntu system fix

Package Information

https://launchpad.net/ubuntu/+source/linux/2.6.24-29.94

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