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USN-1379-1: Linux kernel vulnerabilities

28 February 2012

Several security issues were fixed in the kernel.

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Releases

Packages

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)

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 10.10

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

Related notices

  • USN-1387-1: linux-lts-backport-maverick, linux-image-2.6.35-32-server, linux-image-2.6.35-32-virtual, linux-image-2.6.35-32-generic, linux-image-2.6.35-32-generic-pae
  • USN-1394-1: linux-image-2.6.35-903-omap4, linux-ti-omap4
  • USN-1383-1: linux-ti-omap4, linux-image-2.6.38-1209-omap4
  • USN-1167-1: linux-image-2.6.38-10-generic, linux-image-2.6.38-10-powerpc, linux-image-2.6.38-10-powerpc-smp, linux-image-2.6.38-10-powerpc64-smp, linux-image-2.6.38-10-virtual, linux-image-2.6.38-10-server, linux-image-2.6.38-10-generic-pae, linux-image-2.6.38-10-omap, linux, linux-image-2.6.38-10-versatile
  • USN-1256-1: linux-image-2.6.38-12-server, linux-image-2.6.38-12-generic-pae, linux-image-2.6.38-12-generic, linux-image-2.6.38-12-virtual, linux-lts-backport-natty
  • USN-1193-1: linux-image-2.6.38-11-virtual, linux-image-2.6.38-11-versatile, linux-image-2.6.38-11-omap, linux-image-2.6.38-11-powerpc, linux-image-2.6.38-11-generic, linux-image-2.6.38-11-powerpc-smp, linux-image-2.6.38-11-generic-pae, linux-image-2.6.38-11-powerpc64-smp, linux-image-2.6.38-11-server, linux