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[USN-2272-1] Linux kernel (Trusty HWE) vulnerability

Posted on 05 July 2014
Ubuntu Security

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Ubuntu Security Notice USN-2272-1
July 05, 2014

linux-lts-trusty vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 12.04 LTS

Summary:

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

Software Description:
- linux-lts-trusty: Block storage devices (udeb)

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.

Update instructions:

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

Ubuntu 12.04 LTS:
linux-image-3.13.0-30-generic 3.13.0-30.55~precise1
linux-image-3.13.0-30-generic-lpae 3.13.0-30.55~precise1

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

References:
http://www.ubuntu.com/usn/usn-2272-1
CVE-2014-4699

Package Information:
https://launchpad.net/ubuntu/+source/linux-lts-trusty/3.13.0-30.55~prec=
ise1

 

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