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Ubuntu 14.10 USN-2530-1 Critical: Infiniband Admin Privileges Risk

ubuntu
Calendar Grey March 12, 2015
Dist Ubuntu Esm H88
The core system in Ubuntu distributions has a security flaw, potentially leading to system instability or unauthorized privilege escalation. Prompt update needed.
The system could be made to crash or run programs as an administrator.

Summary

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

Software Description:

- linux: Linux kernel

Details:

It was discovered that the Linux kernel's Infiniband subsystem did not

properly sanitize its input parameters while registering memory regions

from userspace. A local user could exploit this flaw to cause a denial of

service (system crash) or to potentially gain administrative privileges.

Topics%20covered

Topics Covered

security advisory denial of service critical ubuntu administrative access linux kernel os update

Update Instructions

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

Ubuntu 14.10:
  linux-image-3.16.0-31-generic   3.16.0-31.43
  linux-image-3.16.0-31-generic-lpae  3.16.0-31.43
  linux-image-3.16.0-31-lowlatency  3.16.0-31.43
  linux-image-3.16.0-31-powerpc-e500mc  3.16.0-31.43
  linux-image-3.16.0-31-powerpc-smp  3.16.0-31.43
  linux-image-3.16.0-31-powerpc64-emb  3.16.0-31.43
  linux-image-3.16.0-31-powerpc64-smp  3.16.0-31.43

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

References

https://ubuntu.com/security/notices/USN-2530-1

CVE-2014-8159

Severity
critical
Lowest
Low
Medium
High
Critical

March 12, 2015

Topics%20covered

Topics Covered

security advisory denial of service critical ubuntu administrative access linux kernel os update

Package Information

https://launchpad.net/ubuntu/+source/linux/3.16.0-31.43

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