Ubuntu Security Notice USN-1454-1

25th May, 2012

linux vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

• Ubuntu 8.04 LTS

Summary

The system could be made to crash or become unresponsive under certain conditions.

Software description

• linux - Linux kernel

Details

A flaw was found in the Linux's kernels ext4 file system when mounted with
a journal. A local, unprivileged user could exploit this flaw to cause a
denial of service.

Update instructions

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

Ubuntu 8.04 LTS:

linux-image-2.6.24-31-powerpc 2.6.24-31.101

linux-image-2.6.24-31-sparc64 2.6.24-31.101

linux-image-2.6.24-31-virtual 2.6.24-31.101

linux-image-2.6.24-31-server 2.6.24-31.101

linux-image-2.6.24-31-hppa32 2.6.24-31.101

linux-image-2.6.24-31-lpiacompat 2.6.24-31.101

linux-image-2.6.24-31-rt 2.6.24-31.101

linux-image-2.6.24-31-powerpc-smp 2.6.24-31.101

linux-image-2.6.24-31-generic 2.6.24-31.101

linux-image-2.6.24-31-hppa64 2.6.24-31.101

linux-image-2.6.24-31-powerpc64-smp 2.6.24-31.101

linux-image-2.6.24-31-mckinley 2.6.24-31.101

linux-image-2.6.24-31-lpia 2.6.24-31.101

linux-image-2.6.24-31-itanium 2.6.24-31.101

linux-image-2.6.24-31-openvz 2.6.24-31.101

linux-image-2.6.24-31-386 2.6.24-31.101

linux-image-2.6.24-31-sparc64-smp 2.6.24-31.101

linux-image-2.6.24-31-xen 2.6.24-31.101

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

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

References

CVE-2011-4086