USN-1454-1: Linux kernel vulnerability

Releases

• Ubuntu 8.04

Packages

• 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 versions:

Ubuntu 8.04

• 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-lpia - 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-mckinley - 2.6.24-31.101
• linux-image-2.6.24-31-xen - 2.6.24-31.101
• linux-image-2.6.24-31-powerpc64-smp - 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-powerpc-smp - 2.6.24-31.101

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

References

• CVE-2011-4086

Related notices

• USN-1453-1: linux-image-2.6.32-345-ec2, linux-ec2
• USN-1440-1: linux-image-2.6.38-15-virtual, linux-image-2.6.38-15-generic-pae, linux-image-2.6.38-15-server, linux-image-2.6.38-15-generic, linux-lts-backport-natty
• USN-1433-1: linux-image-3.0.0-19-server, linux-lts-backport-oneiric, linux-image-3.0.0-19-generic, linux-image-3.0.0-19-virtual, linux-image-3.0.0-19-generic-pae
• USN-1446-1: linux-image-3.0.0-1209-omap4, linux-ti-omap4
• USN-1432-1: linux-image-2.6.38-15-versatile, linux-image-2.6.38-15-virtual, linux-image-2.6.38-15-generic-pae, linux-image-2.6.38-15-powerpc64-smp, linux, linux-image-2.6.38-15-omap, linux-image-2.6.38-15-powerpc-smp, linux-image-2.6.38-15-server, linux-image-2.6.38-15-powerpc, linux-image-2.6.38-15-generic
• USN-1431-1: linux-image-3.0.0-19-omap, linux-image-3.0.0-19-powerpc64-smp, linux-image-3.0.0-19-server, linux, linux-image-3.0.0-19-powerpc, linux-image-3.0.0-19-generic, linux-image-3.0.0-19-virtual, linux-image-3.0.0-19-powerpc-smp, linux-image-3.0.0-19-generic-pae
• USN-1458-1: linux-image-2.6.38-1209-omap4, linux-ti-omap4
• USN-1445-1: linux-image-2.6.32-41-powerpc, linux-image-2.6.32-41-generic-pae, linux-image-2.6.32-41-sparc64-smp, linux-image-2.6.32-41-sparc64, linux-image-2.6.32-41-server, linux-image-2.6.32-41-386, linux-image-2.6.32-41-lpia, linux-image-2.6.32-41-powerpc64-smp, linux-image-2.6.32-41-ia64, linux, linux-image-2.6.32-41-virtual, linux-image-2.6.32-41-preempt, linux-image-2.6.32-41-generic, linux-image-2.6.32-41-powerpc-smp, linux-image-2.6.32-41-versatile