=========================================================================Ubuntu Security Notice USN-1407-1
March 27, 2012

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

- Ubuntu 10.10

Summary:

Several security issues were fixed in the kernel.

Software Description:
- linux: Linux kernel

Details:

Sasha Levin discovered a flaw in the permission checking for device
assignments requested via the kvm ioctl in the Linux kernel. A local user
could use this flaw to crash the system causing a denial of service.
(CVE-2011-4347)

Stephan Bärwolf discovered a flaw in the KVM (kernel-based virtual
machine) subsystem of the Linux kernel. A local unprivileged user can crash
use this flaw to crash VMs causing a deny of service. (CVE-2012-0045)

H. Peter Anvin reported a flaw in the Linux kernel that could crash the
system. A local user could exploit this flaw to crash the system.
(CVE-2012-1097)

A flaw was discovered in the Linux kernel's cgroups subset. A local
attacker could use this flaw to crash the system. (CVE-2012-1146)

Update instructions:

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

Ubuntu 10.10:
  linux-image-2.6.35-32-generic   2.6.35-32.67
  linux-image-2.6.35-32-generic-pae  2.6.35-32.67
  linux-image-2.6.35-32-omap      2.6.35-32.67
  linux-image-2.6.35-32-powerpc   2.6.35-32.67
  linux-image-2.6.35-32-powerpc-smp  2.6.35-32.67
  linux-image-2.6.35-32-powerpc64-smp  2.6.35-32.67
  linux-image-2.6.35-32-server    2.6.35-32.67
  linux-image-2.6.35-32-versatile  2.6.35-32.67
  linux-image-2.6.35-32-virtual   2.6.35-32.67

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

References:
  https://ubuntu.com/security/notices/USN-1407-1
  CVE-2011-4347, CVE-2012-0045, CVE-2012-1097, CVE-2012-1146

Package Information:
  https://launchpad.net/ubuntu/+source/linux/2.6.35-32.67

Ubuntu 1407-1: Linux kernel vulnerabilities

March 27, 2012
Several security issues were fixed in the kernel.

Summary

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 10.10: linux-image-2.6.35-32-generic 2.6.35-32.67 linux-image-2.6.35-32-generic-pae 2.6.35-32.67 linux-image-2.6.35-32-omap 2.6.35-32.67 linux-image-2.6.35-32-powerpc 2.6.35-32.67 linux-image-2.6.35-32-powerpc-smp 2.6.35-32.67 linux-image-2.6.35-32-powerpc64-smp 2.6.35-32.67 linux-image-2.6.35-32-server 2.6.35-32.67 linux-image-2.6.35-32-versatile 2.6.35-32.67 linux-image-2.6.35-32-virtual 2.6.35-32.67 After a standard system update you need to reboot your computer to make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-1407-1

CVE-2011-4347, CVE-2012-0045, CVE-2012-1097, CVE-2012-1146

Severity
March 27, 2012

Package Information

https://launchpad.net/ubuntu/+source/linux/2.6.35-32.67

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