Ubuntu: 1379-1: Linux kernel vulnerabilities
Posted by Benjamin D. Thomas   
Ubuntu Several security issues were fixed in the kernel.
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Ubuntu Security Notice USN-1379-1
February 28, 2012

linux vulnerabilities
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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:

Aristide Fattori and Roberto Paleari reported a flaw in the Linux kernel's
handling of IPv4 icmp packets. A remote user could exploit this to cause a
denial of service. (CVE-2011-1927)

A flaw was found in the Linux Ethernet bridge's handling of IGMP (Internet
Group Management Protocol) packets. An unprivileged local user could
exploit this flaw to crash the system. (CVE-2011-0716)

A flaw was discovered in the Linux kernel's AppArmor security interface
when invalid information was written to it. An unprivileged local user
could use this to cause a denial of service on the system. (CVE-2011-3619)

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   2.6.35-32.66
  linux-image-2.6.35-32-generic-pae  2.6.35-32.66
  linux-image-2.6.35-32-omap      2.6.35-32.66
  linux-image-2.6.35-32-powerpc   2.6.35-32.66
  linux-image-2.6.35-32-powerpc-smp  2.6.35-32.66
  linux-image-2.6.35-32-powerpc64-smp  2.6.35-32.66
  linux-image-2.6.35-32-server    2.6.35-32.66
  linux-image-2.6.35-32-versatile  2.6.35-32.66
  linux-image-2.6.35-32-virtual   2.6.35-32.66

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

References:
  http://www.ubuntu.com/usn/usn-1379-1
  CVE-2011-0716, CVE-2011-1927, CVE-2011-3619

Package Information:
  https://launchpad.net/ubuntu/+source/linux/2.6.35-32.66