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-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

______________________________________________________________________________

                        SUSE Security Announcement

        Package:                kernel
        Announcement ID:        SUSE-SA:2008:035
        Date:                   Mon, 21 Jul 2008 10:00:00 +0000
        Affected Products:      SLE SDK 10 SP2
                                SUSE Linux Enterprise Desktop 10 SP2
                                SUSE Linux Enterprise 10 SP2 DEBUGINFO
                                SUSE Linux Enterprise Server 10 SP2
        Vulnerability Type:     remote denial of service
        Severity (1-10):        9
        SUSE Default Package:   yes
        Cross-References:       CVE-2008-1615, CVE-2008-1669, CVE-2008-1673
                                CVE-2008-2372, CVE-2008-2812, CVE-2008-2931

    Content of This Advisory:
        1) Security Vulnerability Resolved:
             Linux kernel
           Problem Description
        2) Solution or Work-Around
        3) Special Instructions and Notes
        4) Package Location and Checksums
        5) Pending Vulnerabilities, Solutions, and Work-Arounds:
            See SUSE Security Summary Report.
        6) Authenticity Verification and Additional Information

______________________________________________________________________________

1) Problem Description and Brief Discussion

   The Linux kernel on SUSE Linux Enterprise 10 Service Pack 2 and fixes
   the following security problems:

   The version of the kernel is 2.6.16.60-0.25.

   CVE-2008-1615: On x86_64 a denial of service attack could be used by local
   attackers to immediately panic / crash the machine.

   CVE-2008-1669: Fixed a SMP ordering problem in fcntl_setlk could potentially
   allow local attackers to execute code by timing file locking.

   CVE-2008-2372: Fixed a resource starvation problem in the handling of ZERO
   mmap pages.

   CVE-2008-1673: The asn1 implementation in (a) the Linux kernel, as used
   in the cifs and ip_nat_snmp_basic modules does not properly validate
   length values during decoding of ASN.1 BER data, which allows remote
   attackers to cause a denial of service (crash) or execute arbitrary code
   via (1) a length greater than the working buffer, which can lead to an
   unspecified overflow; (2) an oid length of zero, which can lead to an
   off-by-one error; or (3) an indefinite length for a primitive encoding.

   CVE-2008-2812: Various tty / serial devices did not check functionpointers
   for NULL before calling them, leading to potential crashes or code execution.
   The devices affected are usually only accessible by the root user though.

   CVE-2008-2931: A missing permission check in mount changing was added
   which could have been used by local attackers to change the mountdirectory.

   Additionaly a very large number of bugs was fixed. Details can be found
   in the RPM changelog of the included packages.

   OCFS2 has been upgraded to the 1.4.1 release:
      - Endian fixes
      - Use slab caches for DLM objects
      - Export DLM state info to debugfs
      - Avoid ENOSPC in rare conditions when free inodes are reserved by
        other nodes
      - Error handling fix in ocfs2_start_walk_page_trans()
      - Cleanup lockres printing
      - Allow merging of extents
      - Fix to allow changing permissions of symlinks
      - Merged local fixes upstream (no code change)

2) Solution or Work-Around

   There is no known workaround, please install the update packages.

3) Special Instructions and Notes

   Please reboot the machine after installing the updated kernel.

4) Package Location and Checksums

   The preferred method for installing security updates is to use the YaST
   Online Update (YOU) tool. YOU detects which updates are required and
   automatically performs the necessary steps to verify and install them.
   Alternatively, download the update packages for your distribution manually
   and verify their integrity by the methods listed in Section 6 of this
   announcement. Then install the packages using the command

     rpm -Fhv <file.rpm>

   to apply the update, replacing <file.rpm> with the filename of the
   downloaded RPM package.

   Our maintenance customers are notified individually. The packages are
   offered for installation from the maintenance web:

   SUSE Linux Enterprise Desktop 10 SP2 for AMD64 and Intel EM64T
     http://download.novell.com/index.jsp?search=Search&set_restricted=true&keywords=e71e059b0b1b921d1a3b888f17f527a2

   SUSE Linux Enterprise 10 SP2 DEBUGINFO for IBM zSeries 64bit
     http://download.novell.com/index.jsp?search=Search&set_restricted=true&keywords=8786e294e782a592036098e2736b33af

   SUSE Linux Enterprise 10 SP2 DEBUGINFO for IBM POWER
     http://download.novell.com/index.jsp?search=Search&set_restricted=true&keywords=233a5910a88f0bf42279ffd84e4a5140

   SUSE Linux Enterprise 10 SP2 DEBUGINFO for IPF
     http://download.novell.com/index.jsp?search=Search&set_restricted=true&keywords=6294454605fd9887f3377735a3c1b830

   SUSE Linux Enterprise Server 10 SP2
     http://download.novell.com/index.jsp?search=Search&set_restricted=true&keywords=e71e059b0b1b921d1a3b888f17f527a2
     http://download.novell.com/index.jsp?search=Search&set_restricted=true&keywords=8786e294e782a592036098e2736b33af
     http://download.novell.com/index.jsp?search=Search&set_restricted=true&keywords=233a5910a88f0bf42279ffd84e4a5140
     http://download.novell.com/index.jsp?search=Search&set_restricted=true&keywords=6294454605fd9887f3377735a3c1b830
     http://download.novell.com/index.jsp?search=Search&set_restricted=true&keywords=dd4ff74b273d12c2372f78981ed28f80

   SLE SDK 10 SP2
     http://download.novell.com/index.jsp?search=Search&set_restricted=true&keywords=e71e059b0b1b921d1a3b888f17f527a2
     http://download.novell.com/index.jsp?search=Search&set_restricted=true&keywords=233a5910a88f0bf42279ffd84e4a5140
     http://download.novell.com/index.jsp?search=Search&set_restricted=true&keywords=6294454605fd9887f3377735a3c1b830
     http://download.novell.com/index.jsp?search=Search&set_restricted=true&keywords=dd4ff74b273d12c2372f78981ed28f80

   SUSE Linux Enterprise 10 SP2 DEBUGINFO
     http://download.novell.com/index.jsp?search=Search&set_restricted=true&keywords=e71e059b0b1b921d1a3b888f17f527a2
     http://download.novell.com/index.jsp?search=Search&set_restricted=true&keywords=233a5910a88f0bf42279ffd84e4a5140
     http://download.novell.com/index.jsp?search=Search&set_restricted=true&keywords=6294454605fd9887f3377735a3c1b830
     http://download.novell.com/index.jsp?search=Search&set_restricted=true&keywords=dd4ff74b273d12c2372f78981ed28f80

   SUSE Linux Enterprise Desktop 10 SP2
     http://download.novell.com/index.jsp?search=Search&set_restricted=true&keywords=e71e059b0b1b921d1a3b888f17f527a2
     http://download.novell.com/index.jsp?search=Search&set_restricted=true&keywords=dd4ff74b273d12c2372f78981ed28f80

   SUSE Linux Enterprise Desktop 10 SP2 for x86
     http://download.novell.com/index.jsp?search=Search&set_restricted=true&keywords=dd4ff74b273d12c2372f78981ed28f80

______________________________________________________________________________

5) Pending Vulnerabilities, Solutions, and Work-Arounds:

   See SUSE Security Summary Report.
______________________________________________________________________________

6) Authenticity Verification and Additional Information

  - Announcement authenticity verification:

    SUSE security announcements are published via mailing lists and on Web
    sites. The authenticity and integrity of a SUSE security announcement is
    guaranteed by a cryptographic signature in each announcement. All SUSE
    security announcements are published with a valid signature.

    To verify the signature of the announcement, save it as text into a file
    and run the command

      gpg --verify <file>

    replacing <file> with the name of the file where you saved the
    announcement. The output for a valid signature looks like:

      gpg: Signature made <DATE> using RSA key ID 3D25D3D9
      gpg: Good signature from "SuSE Security Team <security@suse.de>"

    where <DATE> is replaced by the date the document was signed.

    If the security team's key is not contained in your key ring, you can
    import it from the first installation CD. To import the key, use the
    command

      gpg --import gpg-pubkey-3d25d3d9-36e12d04.asc

  - Package authenticity verification:

    SUSE update packages are available on many mirror FTP servers all over the
    world. While this service is considered valuable and important to the free
    and open source software community, the authenticity and the integrity of
    a package needs to be verified to ensure that it has not been tampered
    with.

    The internal rpm package signatures provide an easy way to verify the
    authenticity of an RPM package. Use the command

     rpm -v --checksig <file.rpm>

    to verify the signature of the package, replacing <file.rpm> with the
    filename of the RPM package downloaded. The package is unmodified if it
    contains a valid signature from build@suse.de with the key ID 9C800ACA.

    This key is automatically imported into the RPM database (on
    RPMv4-based distributions) and the gpg key ring of 'root' during
    installation. You can also find it on the first installation CD and at
    the end of this announcement.

  - SUSE runs two security mailing lists to which any interested party may
    subscribe:

    opensuse-security@opensuse.org
        -   General Linux and SUSE security discussion.
            All SUSE security announcements are sent to this list.
            To subscribe, send an e-mail to
                <opensuse-security+subscribe@opensuse.org>.

    opensuse-security-announce@opensuse.org
        -   SUSE's announce-only mailing list.
            Only SUSE's security announcements are sent to this list.
            To subscribe, send an e-mail to
                <opensuse-security-announce+subscribe@opensuse.org>.

    =====================================================================
    SUSE's security contact is <security@suse.com> or <security@suse.de>.
    The <security@suse.de> public key is listed below.
    =====================================================================
______________________________________________________________________________

    The information in this advisory may be distributed or reproduced,
    provided that the advisory is not modified in any way. In particular, the
    clear text signature should show proof of the authenticity of the text.

    SUSE Linux Products GmbH provides no warranties of any kind whatsoever
    with respect to the information contained in this security advisory.

Type Bits/KeyID     Date       User ID
pub  2048R/3D25D3D9 1999-03-06 SuSE Security Team <security@suse.de>
pub  1024D/9C800ACA 2000-10-19 SuSE Package Signing Key <build@suse.de>

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