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USN-2096-1: Linux kernel vulnerability

31 January 2014

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

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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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Releases

Packages

Details

Pageexec reported a bug in the Linux kernel's recvmmsg syscall when called
from code using the x32 ABI. An unprivileged local user could exploit this
flaw to cause a denial of service (system crash) or gain administrator
privileges.

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 13.10

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

References

Related notices

  • USN-2095-1: linux-image-3.11.0-15-generic-lpae, linux-image-3.11.0-15-generic, linux-lts-saucy
  • USN-2094-1: linux-lts-raring, linux-image-3.8.0-35-generic