Ubuntu Update for quagga USN-1261-1

Summary
Ubuntu Update for Linux kernel vulnerabilities USN-1261-1
Solution
Please Install the Updated Packages.
Insight
Riku Hietam&#228 ki, Tuomo Untinen and Jukka Taimisto discovered that Quagga incorrectly handled Link State Update messages with invalid lengths. A remote attacker could use this flaw to cause Quagga to crash, resulting in a denial of service. (CVE-2011-3323) Riku Hietam&#228 ki, Tuomo Untinen and Jukka Taimisto discovered that Quagga incorrectly handled certain IPv6 Database Description messages. A remote attacker could use this flaw to cause Quagga to crash, resulting in a denial of service. (CVE-2011-3324) Riku Hietam&#228 ki, Tuomo Untinen and Jukka Taimisto discovered that Quagga incorrectly handled certain IPv4 packets. A remote attacker could use this flaw to cause Quagga to crash, resulting in a denial of service. (CVE-2011-3325) Riku Hietam&#228 ki, Tuomo Untinen and Jukka Taimisto discovered that Quagga incorrectly handled invalid Link State Advertisement (LSA) types. A remote attacker could use this flaw to cause Quagga to crash, resulting in a denial of service. (CVE-2011-3326) Riku Hietam&#228 ki, Tuomo Untinen and Jukka Taimisto discovered that Quagga incorrectly handled certain BGP UPDATE messages. A remote attacker could use this flaw to cause Quagga to crash, or possibly execute arbitrary code. (CVE-2011-3327)
Affected
quagga on Ubuntu 11.04 , Ubuntu 10.10 , Ubuntu 10.04 LTS