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[CLA-2004:869] Conectiva Security Announcement - kernel


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Date: Mon, 27 Sep 2004 11:27:11 -0300
From: Conectiva Updates <[email protected]>
To: [email protected], [email protected],
Subject: [CLA-2004:869] Conectiva Security Announcement - kernel

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- --------------------------------------------------------------------------
CONECTIVA LINUX SECURITY ANNOUNCEMENT 
- --------------------------------------------------------------------------

PACKAGE   : kernel
SUMMARY   : Fix for kernel vulnerability
DATE      : 2004-09-27 11:26:00
ID        : CLA-2004:869
RELEVANT
RELEASES  : 9

- -------------------------------------------------------------------------

DESCRIPTION
 The Linux kernel is responsible for handling the basic functions of
 the GNU/Linux operating system.
 
 This announcement fixes a missing[1] Discretionary Access Control
 (DAC) check in the chown system call that allowed a local user to
 change the group ownership of arbitrary files to a group that he or
 she belongs to, leading to a privileges escalation vulnerability.


SOLUTION
 It is recommended that all Conectiva Linux users upgrade the kernel
 package.
 
 IMPORTANT: exercise caution and preparation when upgrading the
 kernel, since it will require a reboot after the new packages are
 installed. In particular, Conectiva Linux 9 will most likely require
 an initrd file (which is automatically created in the /boot directory
 after the new packages are installed). Generic kernel update
 instructions can be obtained in the manuals and in our updates
 page[2]. More detailed instructions are also available in Portuguese
 at our Moin[3] page. 
 
 
 REFERENCES
 1.http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0497
 2.https://moin.conectiva.com.br/UpdatingKernelPackages
 3.http://www.conectiva.com.br/suporte/pr/sistema.kernel.atualizar.html


UPDATED PACKAGES
ftp://atualizacoes.conectiva.com.br/9/SRPMS/kernel24-2.4.21-31301U90_19cl.src.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/devfsd-2.4.21-31301U90_19cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/kernel24-2.4.21-31301U90_19cl.athlon.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/kernel24-2.4.21-31301U90_19cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/kernel24-2.4.21-31301U90_19cl.i586.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/kernel24-2.4.21-31301U90_19cl.i686.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/kernel24-2.4.21-31301U90_19cl.pentium4.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/kernel24-BOOT-2.4.21-31301U90_19cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/kernel24-doc-2.4.21-31301U90_19cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/kernel24-enterprise-2.4.21-31301U90_19cl.athlon.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/kernel24-enterprise-2.4.21-31301U90_19cl.i686.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/kernel24-enterprise-2.4.21-31301U90_19cl.pentium4.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/kernel24-headers-2.4.21-31301U90_19cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/kernel24-rbc-2.4.21-31301U90_19cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/kernel24-smp-2.4.21-31301U90_19cl.athlon.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/kernel24-smp-2.4.21-31301U90_19cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/kernel24-smp-2.4.21-31301U90_19cl.i586.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/kernel24-smp-2.4.21-31301U90_19cl.i686.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/kernel24-smp-2.4.21-31301U90_19cl.pentium4.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/kernel24-source-2.4.21-31301U90_19cl.i386.rpm


ADDITIONAL INSTRUCTIONS
 The apt tool can be used to perform RPM packages upgrades:

 - run:                 apt-get update
 - after that, execute: apt-get upgrade

 Detailed instructions regarding the use of apt and upgrade examples 
 can be found at http://distro.conectiva.com.br/atualizacoes/#apt?idioma=en

- -------------------------------------------------------------------------
All packages are signed with Conectiva's GPG key. The key and instructions
on how to import it can be found at 
http://distro.conectiva.com.br/seguranca/chave/?idioma=en
Instructions on how to check the signatures of the RPM packages can be
found at http://distro.conectiva.com.br/seguranca/politica/?idioma=en

- -------------------------------------------------------------------------
All our advisories and generic update instructions can be viewed at
http://distro.conectiva.com.br/atualizacoes/?idioma=en

- -------------------------------------------------------------------------
Copyright (c) 2004 Conectiva Inc.
http://www.conectiva.com

- -------------------------------------------------------------------------
subscribe: [email protected]
unsubscribe: [email protected]
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