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Ubuntu 12.04 LTS: 2271-1 Critical Kernel Denial of Service Advisory

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Calendar Grey July 5, 2014
Scroller Ubuntu
A vulnerability discovered in Ubuntu 12.04 LTS can lead to application crashes or unauthorized admin privileges. Immediate patches are now released.
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-lts-saucy: Linux hardware enablement kernel from Saucy

Details:

Andy Lutomirski discovered a flaw with the Linux kernel's ptrace syscall on

x86_64 processors. An attacker could exploit this flaw to cause a denial of

service (System Crash) or potential gain administrative privileges.

Topics%20covered

Topics Covered

security advisory denial of service critical kernel ubuntu system crash

Update Instructions

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

Ubuntu 12.04 LTS:
  linux-image-3.11.0-24-generic   3.11.0-24.42~precise1
  linux-image-3.11.0-24-generic-lpae  3.11.0-24.42~precise1

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

References

https://ubuntu.com/security/notices/USN-2271-1

CVE-2014-4699

Severity
critical
Lowest
Low
Medium
High
Critical

July 05, 2014

Topics%20covered

Topics Covered

security advisory denial of service critical kernel ubuntu system crash

Package Information

https://launchpad.net/ubuntu/+source/linux-lts-saucy/3.11.0-24.42~precise1

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