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USN-1556-1: Linux kernel (EC2) vulnerabilities

6 September 2012

Several security issues were fixed in the kernel.

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Releases

Packages

Details

Chen Haogang discovered an integer overflow that could result in memory
corruption. A local unprivileged user could use this to crash the system.
(CVE-2012-0044)

A flaw was found in the Linux kernel's Reliable Datagram Sockets (RDS)
protocol implementation. A local, unprivileged user could use this flaw to
cause a denial of service. (CVE-2012-2372)

Some errors where discovered in the Linux kernel's UDF file system, which
is used to mount some CD-ROMs and DVDs. An unprivileged local user could
use these flaws to crash the system. (CVE-2012-3400)

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 10.04

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

References

Related notices

  • USN-1362-1: linux-image-2.6.38-13-server, linux-image-2.6.38-13-powerpc-smp, linux-image-2.6.38-13-generic, linux-image-2.6.38-13-powerpc64-smp, linux-image-2.6.38-13-powerpc, linux-image-2.6.38-13-generic-pae, linux-image-2.6.38-13-omap, linux-image-2.6.38-13-versatile, linux, linux-image-2.6.38-13-virtual
  • USN-1356-1: linux-ti-omap4, linux-image-2.6.38-1209-omap4
  • USN-1340-1: linux-image-3.0.0-15-virtual, linux-image-3.0.0-15-generic, linux-lts-backport-oneiric, linux-image-3.0.0-15-server, linux-image-3.0.0-15-generic-pae
  • USN-1336-1: linux-image-3.0.0-15-omap, linux-image-3.0.0-15-powerpc-smp, linux-image-3.0.0-15-powerpc, linux-image-3.0.0-15-virtual, linux-image-3.0.0-15-generic, linux, linux-image-3.0.0-15-powerpc64-smp, linux-image-3.0.0-15-server, linux-image-3.0.0-15-generic-pae
  • USN-1387-1: linux-image-2.6.35-32-generic-pae, linux-image-2.6.35-32-generic, linux-image-2.6.35-32-virtual, linux-image-2.6.35-32-server, linux-lts-backport-maverick
  • USN-1330-1: linux-ti-omap4, linux-image-3.0.0-1206-omap4
  • USN-1394-1: linux-ti-omap4, linux-image-2.6.35-903-omap4
  • USN-1361-1: linux-image-2.6.35-32-powerpc, linux-image-2.6.35-32-omap, linux-image-2.6.35-32-powerpc64-smp, linux-image-2.6.35-32-generic-pae, linux-image-2.6.35-32-powerpc-smp, linux-image-2.6.35-32-generic, linux-image-2.6.35-32-virtual, linux-image-2.6.35-32-versatile, linux, linux-image-2.6.35-32-server
  • USN-1555-1: linux-image-2.6.32-42-386, linux-image-2.6.32-42-powerpc, linux-image-2.6.32-42-ia64, linux-image-2.6.32-42-lpia, linux-image-2.6.32-42-versatile, linux-image-2.6.32-42-generic, linux-image-2.6.32-42-server, linux-image-2.6.32-42-sparc64-smp, linux-image-2.6.32-42-generic-pae, linux-image-2.6.32-42-sparc64, linux-image-2.6.32-42-powerpc-smp, linux-image-2.6.32-42-preempt, linux, linux-image-2.6.32-42-powerpc64-smp, linux-image-2.6.32-42-virtual
  • USN-1386-1: linux-image-2.6.38-13-server, linux-image-2.6.38-13-generic, linux-lts-backport-natty, linux-image-2.6.38-13-generic-pae, linux-image-2.6.38-13-virtual
  • USN-1531-1: linux-image-2.6.38-15-powerpc64-smp, linux-image-2.6.38-15-omap, linux-image-2.6.38-15-generic-pae, linux-image-2.6.38-15-powerpc, linux-image-2.6.38-15-versatile, linux-image-2.6.38-15-server, linux-image-2.6.38-15-generic, linux, linux-image-2.6.38-15-virtual, linux-image-2.6.38-15-powerpc-smp
  • USN-1554-1: linux-image-3.0.0-25-powerpc, linux-image-3.0.0-25-virtual, linux-image-3.0.0-25-generic, linux-image-3.0.0-25-omap, linux-image-3.0.0-25-powerpc64-smp, linux-image-3.0.0-25-generic-pae, linux-image-3.0.0-25-powerpc-smp, linux, linux-image-3.0.0-25-server
  • USN-1529-1: linux-image-3.2.0-29-virtual, linux-image-3.2.0-29-highbank, linux-image-3.2.0-29-omap, linux-image-3.2.0-29-generic-pae, linux-image-3.2.0-29-generic, linux-image-3.2.0-29-powerpc-smp, linux, linux-image-3.2.0-29-powerpc64-smp
  • USN-1558-1: linux-ti-omap4, linux-image-3.0.0-1215-omap4
  • USN-1514-1: linux-image-3.2.0-1417-omap4, linux-ti-omap4
  • USN-1563-1: linux-image-3.0.0-25-virtual, linux-image-3.0.0-25-generic, linux-image-3.0.0-25-server, linux-image-3.0.0-25-generic-pae, linux-lts-backport-oneiric
  • USN-1538-1: linux-lts-backport-natty, linux-image-2.6.38-15-generic-pae, linux-image-2.6.38-15-server, linux-image-2.6.38-15-generic, linux-image-2.6.38-15-virtual
  • USN-1530-1: linux-ti-omap4, linux-image-2.6.38-1209-omap4
  • USN-1533-1: linux-image-3.0.0-24-server, linux-image-3.0.0-24-powerpc64-smp, linux-image-3.0.0-24-generic, linux-image-3.0.0-24-powerpc, linux-image-3.0.0-24-powerpc-smp, linux-image-3.0.0-24-virtual, linux-image-3.0.0-24-omap, linux, linux-image-3.0.0-24-generic-pae
  • USN-1539-1: linux-image-3.0.0-24-server, linux-image-3.0.0-24-generic, linux-image-3.0.0-24-virtual, linux-lts-backport-oneiric, linux-image-3.0.0-24-generic-pae
  • USN-1562-1: linux-lts-backport-natty, linux-image-2.6.38-15-generic-pae, linux-image-2.6.38-15-server, linux-image-2.6.38-15-generic, linux-image-2.6.38-15-virtual
  • USN-1557-1: linux-image-2.6.38-15-powerpc64-smp, linux-image-2.6.38-15-omap, linux-image-2.6.38-15-generic-pae, linux-image-2.6.38-15-powerpc, linux-image-2.6.38-15-versatile, linux-image-2.6.38-15-server, linux-image-2.6.38-15-generic, linux, linux-image-2.6.38-15-virtual, linux-image-2.6.38-15-powerpc-smp
  • USN-1532-1: linux-image-3.0.0-1214-omap4, linux-ti-omap4

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