Ubuntu Security Notice USN-1379-1
28th February, 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 version:
- Ubuntu 10.10:
- linux-image-2.6.35-32-powerpc64-smp 2.6.35-32.66
- linux-image-2.6.35-32-generic-pae 2.6.35-32.66
- linux-image-2.6.35-32-versatile 2.6.35-32.66
- linux-image-2.6.35-32-generic 2.6.35-32.66
- linux-image-2.6.35-32-virtual 2.6.35-32.66
- linux-image-2.6.35-32-powerpc-smp 2.6.35-32.66
- linux-image-2.6.35-32-powerpc 2.6.35-32.66
- linux-image-2.6.35-32-server 2.6.35-32.66
- linux-image-2.6.35-32-omap 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.