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USN-1739-1: Linux kernel vulnerability

22 February 2013

The system could be made to run programs as an administrator.

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Releases

Packages

Details

Suleiman Souhlal, Salman Qazi, Aaron Durbin and Michael Davidson discovered
a race condition in the Linux kernel's ptrace syscall. An unprivileged
local attacker could exploit this flaw to run programs as an administrator.

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 11.10

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

References

Related notices

  • USN-1741-1: linux-image-3.2.0-38-omap, linux-image-3.2.0-38-highbank, linux-image-3.2.0-38-generic, linux, linux-image-3.2.0-38-powerpc64-smp, linux-image-3.2.0-38-powerpc-smp, linux-image-3.2.0-38-generic-pae, linux-image-3.2.0-38-virtual
  • USN-1743-1: linux-image-3.5.0-25-generic, linux-lts-quantal
  • USN-1740-1: linux-image-3.0.0-1221-omap4, linux-ti-omap4
  • USN-1745-1: linux-ti-omap4, linux-image-3.5.0-220-omap4
  • USN-1742-1: linux-image-3.2.0-1426-omap4, linux-ti-omap4
  • USN-1738-1: linux-image-3.0.0-31-virtual, linux-image-3.0.0-31-server, linux-lts-backport-oneiric, linux-image-3.0.0-31-generic, linux-image-3.0.0-31-generic-pae
  • USN-1744-1: linux-image-3.5.0-25-highbank, linux, linux-image-3.5.0-25-omap, linux-image-3.5.0-25-powerpc-smp, linux-image-3.5.0-25-powerpc64-smp, linux-image-3.5.0-25-generic
  • USN-1737-1: linux-image-2.6.32-350-ec2, linux-ec2
  • USN-1736-1: linux-image-2.6.32-45-powerpc, linux-image-2.6.32-45-generic, linux-image-2.6.32-45-generic-pae, linux-image-2.6.32-45-preempt, linux-image-2.6.32-45-server, linux, linux-image-2.6.32-45-sparc64, linux-image-2.6.32-45-386, linux-image-2.6.32-45-ia64, linux-image-2.6.32-45-powerpc-smp, linux-image-2.6.32-45-lpia, linux-image-2.6.32-45-virtual, linux-image-2.6.32-45-versatile, linux-image-2.6.32-45-sparc64-smp, linux-image-2.6.32-45-powerpc64-smp

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