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USN-1555-1: Linux kernel vulnerabilities

5 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.

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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-omap, linux-image-2.6.38-13-server, linux-image-2.6.38-13-generic-pae, linux-image-2.6.38-13-virtual, linux-image-2.6.38-13-versatile, 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-powerpc-smp, linux
  • USN-1356-1: linux-ti-omap4, linux-image-2.6.38-1209-omap4
  • USN-1340-1: linux-image-3.0.0-15-virtual, linux-lts-backport-oneiric, linux-image-3.0.0-15-generic-pae, linux-image-3.0.0-15-server, linux-image-3.0.0-15-generic
  • USN-1336-1: linux-image-3.0.0-15-omap, linux-image-3.0.0-15-virtual, linux-image-3.0.0-15-generic-pae, linux-image-3.0.0-15-powerpc-smp, linux-image-3.0.0-15-powerpc, linux-image-3.0.0-15-powerpc64-smp, linux-image-3.0.0-15-server, linux, linux-image-3.0.0-15-generic
  • USN-1556-1: linux-image-2.6.32-347-ec2, linux-ec2
  • USN-1387-1: linux-lts-backport-maverick, linux-image-2.6.35-32-virtual, linux-image-2.6.35-32-generic-pae, linux-image-2.6.35-32-generic, linux-image-2.6.35-32-server
  • 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-omap, linux-image-2.6.35-32-powerpc64-smp, linux-image-2.6.35-32-powerpc-smp, linux-image-2.6.35-32-virtual, linux-image-2.6.35-32-generic-pae, linux-image-2.6.35-32-generic, linux-image-2.6.35-32-powerpc, linux-image-2.6.35-32-versatile, linux-image-2.6.35-32-server, linux
  • USN-1386-1: linux-image-2.6.38-13-server, linux-image-2.6.38-13-generic-pae, linux-image-2.6.38-13-virtual, linux-image-2.6.38-13-generic, linux-lts-backport-natty
  • USN-1531-1: linux-image-2.6.38-15-virtual, linux-image-2.6.38-15-generic, linux-image-2.6.38-15-server, linux-image-2.6.38-15-powerpc, linux-image-2.6.38-15-powerpc-smp, linux-image-2.6.38-15-versatile, linux-image-2.6.38-15-generic-pae, linux-image-2.6.38-15-omap, linux-image-2.6.38-15-powerpc64-smp, linux
  • USN-1554-1: linux-image-3.0.0-25-powerpc64-smp, linux-image-3.0.0-25-generic, linux-image-3.0.0-25-powerpc, linux-image-3.0.0-25-powerpc-smp, linux-image-3.0.0-25-virtual, linux-image-3.0.0-25-omap, linux-image-3.0.0-25-server, linux, linux-image-3.0.0-25-generic-pae
  • USN-1529-1: linux-image-3.2.0-29-omap, linux-image-3.2.0-29-powerpc-smp, linux-image-3.2.0-29-highbank, linux-image-3.2.0-29-generic, linux-image-3.2.0-29-virtual, linux-image-3.2.0-29-powerpc64-smp, linux-image-3.2.0-29-generic-pae, linux
  • USN-1558-1: linux-ti-omap4, linux-image-3.0.0-1215-omap4
  • USN-1514-1: linux-ti-omap4, linux-image-3.2.0-1417-omap4
  • USN-1563-1: linux-image-3.0.0-25-generic, linux-lts-backport-oneiric, linux-image-3.0.0-25-virtual, linux-image-3.0.0-25-server, linux-image-3.0.0-25-generic-pae
  • USN-1538-1: linux-image-2.6.38-15-virtual, linux-image-2.6.38-15-server, linux-image-2.6.38-15-generic, linux-image-2.6.38-15-generic-pae, linux-lts-backport-natty
  • USN-1530-1: linux-ti-omap4, linux-image-2.6.38-1209-omap4
  • USN-1533-1: linux-image-3.0.0-24-powerpc-smp, linux-image-3.0.0-24-powerpc, linux-image-3.0.0-24-powerpc64-smp, linux-image-3.0.0-24-omap, linux-image-3.0.0-24-server, linux-image-3.0.0-24-generic-pae, linux-image-3.0.0-24-virtual, linux-image-3.0.0-24-generic, linux
  • USN-1539-1: linux-lts-backport-oneiric, linux-image-3.0.0-24-server, linux-image-3.0.0-24-generic-pae, linux-image-3.0.0-24-virtual, linux-image-3.0.0-24-generic
  • USN-1562-1: linux-image-2.6.38-15-virtual, linux-image-2.6.38-15-server, linux-image-2.6.38-15-generic, linux-image-2.6.38-15-generic-pae, linux-lts-backport-natty
  • USN-1557-1: linux-image-2.6.38-15-virtual, linux-image-2.6.38-15-generic, linux-image-2.6.38-15-server, linux-image-2.6.38-15-powerpc, linux-image-2.6.38-15-powerpc-smp, linux-image-2.6.38-15-versatile, linux-image-2.6.38-15-generic-pae, linux-image-2.6.38-15-omap, linux-image-2.6.38-15-powerpc64-smp, linux
  • USN-1532-1: linux-image-3.0.0-1214-omap4, linux-ti-omap4

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Further reading