USN-1379-1: Linux kernel vulnerabilities
28 February 2012
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 10.10
Several security issues were fixed in the kernel.
- linux - Linux kernel
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)
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
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
After a standard system update you need to reboot your computer to make all the necessary changes.