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Ubuntu 14.10: USN-2600-2 Moderate: Kernel Crash Issue Resolved

ubuntu
Calendar Grey May 9, 2015
Dist Ubuntu Esm H88
=========================================================================Ubuntu Security Notice USN-
USN-2600-1 Introduced a regression in the Linux kernel.

Summary

USN-2600-1 Introduced a regression in the Linux kernel.

Software Description:

- linux: Linux kernel

Details:

USN-2600-1 fixed vulnerabilities in the Linux kernel, however an unrelated

regression in the auditing of some path names was introduced. Due to the

regression the system could crash under certain conditions.

This update fixes the problem.

We apologize for the inconvenience.

Original advisory details:

A race condition between chown() and execve() was discovered in the Linux

kernel. A local attacker could exploit this race by using chown on a

setuid-user-binary to gain administrative privileges.

Topics%20covered

Topics Covered

security advisory moderate bug fix Ubuntu kernel system crash Linux kernel

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 14.10:
  linux-image-3.16.0-37-generic   3.16.0-37.51
  linux-image-3.16.0-37-generic-lpae  3.16.0-37.51
  linux-image-3.16.0-37-lowlatency  3.16.0-37.51
  linux-image-3.16.0-37-powerpc-e500mc  3.16.0-37.51
  linux-image-3.16.0-37-powerpc-smp  3.16.0-37.51
  linux-image-3.16.0-37-powerpc64-emb  3.16.0-37.51
  linux-image-3.16.0-37-powerpc64-smp  3.16.0-37.51

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

References

https://ubuntu.com/security/notices/USN-2600-2

https://ubuntu.com/security/notices/USN-2600-1

https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1450442

May 09, 2015

Topics%20covered

Topics Covered

security advisory moderate bug fix Ubuntu kernel system crash Linux kernel

Package Information

https://launchpad.net/ubuntu/+source/linux/3.16.0-37.51

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