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[USN-2095-1] Linux kernel (Saucy HWE) vulnerability

Posted on 31 January 2014
Ubuntu Security

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Ubuntu Security Notice USN-2095-1
January 31, 2014

linux-lts-saucy 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-saucy: Linux hardware enablement kernel from Saucy

Details:

Pageexec reported a bug in the Linux kernel's recvmsg syscall when called=

from code using the x32 ABI. An unprivileged local user could exploit thi=
s
flaw to cause a denial of service (system crash) or gain administrator
privileges.

Update instructions:

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

Ubuntu 12.04 LTS:
linux-image-3.11.0-15-generic 3.11.0-15.25~precise1
linux-image-3.11.0-15-generic-lpae 3.11.0-15.25~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-2095-1
CVE-2014-0038

Package Information:
https://launchpad.net/ubuntu/+source/linux-lts-saucy/3.11.0-15.25~preci=
se1

 

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