============================================================================ Ubuntu Security Notice USN-1379-1 February 28, 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: 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