Ubuntu alert USN-1488-1 (linux)

From:
    	     
 
John Johansen <john.johansen@canonical.com> 
To:
    	     
 
ubuntu-security-announce@lists.ubuntu.com 
Subject:
    	     
 
[USN-1488-1] Linux kernel vulnerabilities 
Date:
    	     
 
Fri, 29 Jun 2012 11:41:04 -0700
Message-ID:
    	     
 
<4FEDF6C0.8050706@canonical.com>

==========================================================================
Ubuntu Security Notice USN-1488-1
June 29, 2012

linux vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 11.04

Summary:

Several security issues were fixed in the kernel.

Software Description:
- linux: Linux kernel

Details:

Stephan Mueller reported a flaw in the Linux kernel's dl2k network driver's
handling of ioctls. An unprivileged local user could leverage this flaw to
cause a denial of service. (CVE-2012-2313)

Timo Warns reported multiple flaws in the Linux kernel's hfsplus
filesystem. An unprivileged local user could exploit these flaws to gain
root system priviliges. (CVE-2012-2319)

A flaw was discovered in the Linux kernel's NFSv4 (Network file system)
handling of ACLs (access control lists). A remote NFS server (attacker)
could cause a denial of service (OOPS). (CVE-2012-2375)

Update instructions:

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

Ubuntu 11.04:
  linux-image-2.6.38-15-generic   2.6.38-15.61
  linux-image-2.6.38-15-generic-pae  2.6.38-15.61
  linux-image-2.6.38-15-omap      2.6.38-15.61
  linux-image-2.6.38-15-powerpc   2.6.38-15.61
  linux-image-2.6.38-15-powerpc-smp  2.6.38-15.61
  linux-image-2.6.38-15-powerpc64-smp  2.6.38-15.61
  linux-image-2.6.38-15-server    2.6.38-15.61
  linux-image-2.6.38-15-versatile  2.6.38-15.61
  linux-image-2.6.38-15-virtual   2.6.38-15.61

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

References:
  http://www.ubuntu.com/usn/usn-1488-1
  CVE-2012-2313, CVE-2012-2319, CVE-2012-2375

Package Information:
  https://launchpad.net/ubuntu/+source/linux/2.6.38-15.61

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