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[USN-1344-1] linux vulnerabilities

Posted on 24 January 2012
Ubuntu Security

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Ubuntu Security Notice USN-1344-1
January 24, 2012

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

- Ubuntu 10.04 LTS

Summary:

Several security issues were fixed in the kernel.

Software Description:
- linux: Linux kernel

Details:

Clement Lecigne discovered a bug in the HFS filesystem. A local attacker
could exploit this to cause a kernel oops. (CVE-2011-2203)

A flaw was found in how the Linux kernel handles user-defined key types. =
An
unprivileged local user could exploit this to crash the system.
(CVE-2011-4110)

Update instructions:

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

Ubuntu 10.04 LTS:
linux-image-2.6.32-38-386 2.6.32-38.83
linux-image-2.6.32-38-generic 2.6.32-38.83
linux-image-2.6.32-38-generic-pae 2.6.32-38.83
linux-image-2.6.32-38-ia64 2.6.32-38.83
linux-image-2.6.32-38-lpia 2.6.32-38.83
linux-image-2.6.32-38-powerpc 2.6.32-38.83
linux-image-2.6.32-38-powerpc-smp 2.6.32-38.83
linux-image-2.6.32-38-powerpc64-smp 2.6.32-38.83
linux-image-2.6.32-38-preempt 2.6.32-38.83
linux-image-2.6.32-38-server 2.6.32-38.83
linux-image-2.6.32-38-sparc64 2.6.32-38.83
linux-image-2.6.32-38-sparc64-smp 2.6.32-38.83
linux-image-2.6.32-38-versatile 2.6.32-38.83
linux-image-2.6.32-38-virtual 2.6.32-38.83

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 automaticall=
y
perform this as well.

References:
http://www.ubuntu.com/usn/usn-1344-1
CVE-2011-2203, CVE-2011-4110

Package Information:
https://launchpad.net/ubuntu/+source/linux/2.6.32-38.83


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