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Sicherheit: Denial of Service in Linux
Aktuelle Meldungen Distributionen
Name: Denial of Service in Linux
ID: USN-1489-1
Distribution: Ubuntu
Plattformen: Ubuntu 10.04 LTS
Datum: Sa, 30. Juni 2012, 09:34
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-2375

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==========================================================================
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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