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Ubuntu Security Notice USN-1489-1

Ubuntu Security Notice USN-1489-1
Posted Jun 29, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1489-1 - 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).

tags | advisory, remote, denial of service, kernel
systems | linux, ubuntu
advisories | CVE-2012-2375
MD5 | f856e3333d817f1ecc95fb1c4b614358

Ubuntu Security Notice USN-1489-1

Change Mirror Download
============================================================================
Ubuntu Security Notice USN-1489-1
June 29, 2012

linux-lts-backport-oneiric vulnerability
============================================================================

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

- Ubuntu 10.04 LTS

Summary:

The system could be made to crash if it received specially crafted network
traffic.

Software Description:
- linux-lts-backport-oneiric: Linux kernel backport from Oneiric

Details:

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).

Update instructions:

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

Ubuntu 10.04 LTS:
linux-image-3.0.0-22-generic 3.0.0-22.36~lucid1
linux-image-3.0.0-22-generic-pae 3.0.0-22.36~lucid1
linux-image-3.0.0-22-server 3.0.0-22.36~lucid1
linux-image-3.0.0-22-virtual 3.0.0-22.36~lucid1

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

ATTENTION: Due to an unavoidable ABI change the kernel updates have
been given a new version number, which requires you to recompile and
reinstall all third party kernel modules you might have installed. If
you use linux-restricted-modules, you have to update that package as
well to get modules which work with the new kernel version. Unless you
manually uninstalled the standard kernel metapackages (e.g. linux-generic,
linux-server, linux-powerpc), a standard system upgrade will automatically
perform this as well.

References:
http://www.ubuntu.com/usn/usn-1489-1
CVE-2012-2375

Package Information:
https://launchpad.net/ubuntu/+source/linux-lts-backport-oneiric/3.0.0-22.36~lucid1

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