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Mandriva Linux Advisory MDVA-2008:168
http://www.mandriva.com/security/
_______________________________________________________________________

Package : sound-scripts
Date : November 7, 2008
Affected: 2009.0
_______________________________________________________________________

Problem Description:

The sound initialization scripts provided with Mandriva Linux 2009
activate the Analog Loopback channel when it is present. This channel
is present on most audio chipsets supported by the snd-hda-intel
driver, which are commonly used on recent systems. When active,
this channel plays back the sound received by the line-in and mic-in
channels. If nothing is actually connected to these channels, this
can result in an unpleasant loud noise over the speakers or headphones
connected to the line-out or speaker-out connector.

This update adjusts the sound initialization scripts to mute this
channel by default. Unfortunately, this change will not be applied
automatically on already-installed systems, as existing settings
are automatically stored at shutdown and re-applied at startup on
Mandriva Linux. If you are suffering from this issue, then you can
run the command 'reset_sound' as root after installing this update,
and it should resolve the issue. Alternatively, you can simply disable
/ mute the Analog Loopback channel yourself, using a mixer application.
_______________________________________________________________________

Updated Packages:

Mandriva Linux 2009.0:
d983819fa41c1df3e79412741e6c5631 2009.0/i586/sound-scripts-0.56-1.1mdv2009.0.noarch.rpm
932a5216281bfd4efd7a7883ca0528b3 2009.0/SRPMS/sound-scripts-0.56-1.1mdv2009.0.src.rpm

Mandriva Linux 2009.0/X86_64:
4a0deef8237afc7279cb5eb8f3d22be9 2009.0/x86_64/sound-scripts-0.56-1.1mdv2009.0.noarch.rpm
932a5216281bfd4efd7a7883ca0528b3 2009.0/SRPMS/sound-scripts-0.56-1.1mdv2009.0.src.rpm
_______________________________________________________________________

To upgrade automatically use MandrivaUpdate or urpmi. The verification
of md5 checksums and GPG signatures is performed automatically for you.

All packages are signed by Mandriva for security. You can obtain the
GPG public key of the Mandriva Security Team by executing:

gpg --recv-keys --keyserver pgp.mit.edu 0x22458A98

You can view other update advisories for Mandriva Linux at:

http://www.mandriva.com/security/advisories

If you want to report vulnerabilities, please contact

security_(at)_mandriva.com
_______________________________________________________________________

Type Bits/KeyID Date User ID
pub 1024D/22458A98 2000-07-10 Mandriva Security Team

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