bugtraq - TSLSA-2004-0008

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Date: Mon, 23 Feb 2004 15:12:30 +0100
From: Trustix Security Advisor <tsl@...stix.org>
To: bugtraq@...urityfocus.com
Subject: TSLSA-2004-0008 - kernel

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- --------------------------------------------------------------------------
Trustix Secure Linux Security Advisory #2004-0008

Package name:      kernel
Summary:           local root exploit in mremap
Date:              2004-02-23
Affected versions: Trustix 1.5

- --------------------------------------------------------------------------
Package description:
  The kernel package contains the Linux kernel (vmlinuz), the core of your
  Trustix Secure Linux operating system.  The kernel handles the basic
  functions of the operating system:  memory allocation, process allocation,
  device input and output, etc.

Problem description:
  A hole was discovered in the mremap.  Through this hole, it is possible
  for anyone with a local account on the system to gain root privileges.
  See CAN-2004-0077 for additional details.  This is the kernel 2.2.25
  counterpart to the security hole fixed in TSLSA-2004-0007.

Action:
  We recommend that all systems with this package installed be upgraded.
  Please note that if you do not need the functionality provided by this
  package, you may want to remove it from your system.

Location:
  All Trustix updates are available from
  <URI:http://http.trustix.org/pub/trustix/updates/>
  <URI:ftp://ftp.trustix.org/pub/trustix/updates/>

About Trustix Secure Linux:
  Trustix Secure Linux is a small Linux distribution for servers. With focus
  on security and stability, the system is painlessly kept safe and up to
  date from day one using swup, the automated software updater.

Automatic updates:
  Users of the SWUP tool can enjoy having updates automatically
  installed using 'swup --upgrade'.

Public testing:
  Most updates for Trustix are made available for public testing some time
  before release.
  If you want to contribute by testing the various packages in the
  testing tree, please feel free to share your findings on the
  tsl-discuss mailinglist.
  The testing tree is located at
  <URI:http://tsldev.trustix.org/cloud/>

  You may also use swup for public testing of updates:

  site {
      class = 0
      location = "http://tsldev.trustix.org/cloud/rdfs/latest.rdf"
      regexp = ".*"
  }

Questions?
  Check out our mailing lists:
  <URI:http://www.trustix.org/support/>

Verification:
  This advisory along with all Trustix packages are signed with the
  TSL sign key.
  This key is available from:
  <URI:http://www.trustix.org/TSL-SIGN-KEY>

  The advisory itself is available from the errata pages at
  <URI:http://www.trustix.org/errata/trustix-1.5/>
  or directly at
  <URI:http://www.trustix.org/errata/misc/2004/TSL-2004-0008-kernel.asc.txt>

MD5sums of the packages:
- --------------------------------------------------------------------------
930eff9735919ec462512f0c227c09d8  1.5/rpms/kernel-2.2.25-10tr.i586.rpm
0188c0cdc4e5420b5e3c7fca3c08e284  1.5/rpms/kernel-BOOT-2.2.25-10tr.i586.rpm
7825bf9d1f906db12b43199c65885816  1.5/rpms/kernel-doc-2.2.25-10tr.i586.rpm
39741df3cca5ecb06b9b6040491dfbcc  1.5/rpms/kernel-headers-2.2.25-10tr.i586.rpm
82d3747c20f621db4f59c39b77e48706  1.5/rpms/kernel-smp-2.2.25-10tr.i586.rpm
e7101408e0d692bc9e9cc54b4e4e28af  1.5/rpms/kernel-source-2.2.25-10tr.i586.rpm
d0e67804999a1af82e546dea6895f522  1.5/rpms/kernel-utils-2.2.25-10tr.i586.rpm
49c2bc456f011b20eb9a1636963975ee  1.5/srpms/kernel-2.2.25-10tr.src.rpm
- --------------------------------------------------------------------------

Trustix Security Team

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