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USN-1337-1: Linux kernel (Natty backport) vulnerabilities

23 January 2012

Several security issues were fixed in the kernel.

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Releases

Packages

Details

Peter Huewe discovered an information leak in the handling of reading
security-related TPM data. A local, unprivileged user could read the
results of a previous TPM command. (CVE-2011-1162)

Clement Lecigne discovered a bug in the HFS filesystem. A local attacker
could exploit this to cause a kernel oops. (CVE-2011-2203)

A flaw was found in how the Linux kernel handles user-defined key types. An
unprivileged local user could exploit this to crash the system.
(CVE-2011-4110)

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-1319-1: linux-ti-omap4, linux-image-2.6.38-1209-omap4
  • USN-1294-1: linux-image-3.0.0-13-virtual, linux-image-3.0.0-13-generic, linux-image-3.0.0-13-generic-pae, linux-lts-backport-oneiric, linux-image-3.0.0-13-server
  • USN-1318-1: linux-image-2.6.31-612-imx51, linux-fsl-imx51
  • USN-1341-1: linux-image-2.6.35-32-generic, linux-image-2.6.35-32-generic-pae, linux, linux-image-2.6.35-32-powerpc, linux-image-2.6.35-32-powerpc-smp, linux-image-2.6.35-32-virtual, linux-image-2.6.35-32-omap, linux-image-2.6.35-32-server, linux-image-2.6.35-32-versatile, linux-image-2.6.35-32-powerpc64-smp
  • USN-1299-1: linux-ec2, linux-image-2.6.32-341-ec2
  • USN-1332-1: linux-image-2.6.35-32-generic, linux-image-2.6.35-32-generic-pae, linux-image-2.6.35-32-virtual, linux-lts-backport-maverick, linux-image-2.6.35-32-server
  • USN-1325-1: linux-ti-omap4, linux-image-2.6.35-903-omap4
  • USN-1303-1: linux-mvl-dove, linux-image-2.6.32-421-dove
  • USN-1311-1: linux-image-2.6.32-37-generic-pae, linux-image-2.6.32-37-ia64, linux-image-2.6.32-37-powerpc-smp, linux, linux-image-2.6.32-37-lpia, linux-image-2.6.32-37-powerpc, linux-image-2.6.32-37-preempt, linux-image-2.6.32-37-server, linux-image-2.6.32-37-versatile, linux-image-2.6.32-37-sparc64, linux-image-2.6.32-37-sparc64-smp, linux-image-2.6.32-37-386, linux-image-2.6.32-37-virtual, linux-image-2.6.32-37-generic, linux-image-2.6.32-37-powerpc64-smp
  • USN-1275-1: linux-image-3.0.0-13-omap, linux, linux-image-3.0.0-13-virtual, linux-image-3.0.0-13-generic, linux-image-3.0.0-13-generic-pae, linux-image-3.0.0-13-powerpc64-smp, linux-image-3.0.0-13-powerpc, linux-image-3.0.0-13-powerpc-smp, linux-image-3.0.0-13-server
  • USN-1323-1: linux-image-2.6.24-30-virtual, linux-image-2.6.24-30-openvz, linux-image-2.6.24-30-powerpc, linux-image-2.6.24-30-hppa32, linux-image-2.6.24-30-itanium, linux-image-2.6.24-30-sparc64-smp, linux-image-2.6.24-30-rt, linux-image-2.6.24-30-mckinley, linux-image-2.6.24-30-sparc64, linux-image-2.6.24-30-386, linux-image-2.6.24-30-xen, linux-image-2.6.24-30-lpia, linux-image-2.6.24-30-hppa64, linux-image-2.6.24-30-powerpc-smp, linux-image-2.6.24-30-generic, linux, linux-image-2.6.24-30-server, linux-image-2.6.24-30-lpiacompat, linux-image-2.6.24-30-powerpc64-smp
  • USN-1260-1: linux-ti-omap4, linux-image-3.0.0-1206-omap4
  • USN-1345-1: linux-image-2.6.38-13-virtual, linux-image-2.6.38-13-powerpc-smp, linux-image-2.6.38-13-server, linux, linux-image-2.6.38-13-versatile, linux-image-2.6.38-13-powerpc64-smp, linux-image-2.6.38-13-generic-pae, linux-image-2.6.38-13-omap, linux-image-2.6.38-13-powerpc, linux-image-2.6.38-13-generic
  • USN-1340-1: linux-image-3.0.0-15-generic, linux-image-3.0.0-15-generic-pae, linux-lts-backport-oneiric, linux-image-3.0.0-15-virtual, linux-image-3.0.0-15-server
  • USN-1328-1: linux-image-2.6.32-422-dove, linux-mvl-dove
  • USN-1336-1: linux-image-3.0.0-15-generic, linux-image-3.0.0-15-generic-pae, linux-image-3.0.0-15-powerpc64-smp, linux, linux-image-3.0.0-15-omap, linux-image-3.0.0-15-powerpc, linux-image-3.0.0-15-virtual, linux-image-3.0.0-15-server, linux-image-3.0.0-15-powerpc-smp
  • USN-1344-1: linux-image-2.6.32-38-generic, linux-image-2.6.32-38-lpia, linux-image-2.6.32-38-preempt, linux-image-2.6.32-38-sparc64, linux, linux-image-2.6.32-38-virtual, linux-image-2.6.32-38-server, linux-image-2.6.32-38-powerpc64-smp, linux-image-2.6.32-38-powerpc-smp, linux-image-2.6.32-38-386, linux-image-2.6.32-38-sparc64-smp, linux-image-2.6.32-38-generic-pae, linux-image-2.6.32-38-versatile, linux-image-2.6.32-38-powerpc, linux-image-2.6.32-38-ia64
  • USN-1330-1: linux-ti-omap4, linux-image-3.0.0-1206-omap4
  • USN-1324-1: linux-ec2, linux-image-2.6.32-342-ec2

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Further reading