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SUSE Security Announcement: kernel multiple security problems (SUSE-SA:2005:050)
From: Marcus Meissner <meissner () suse de>
Date: Thu, 01 Sep 2005 16:34:36 +0200


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______________________________________________________________________________

                        SUSE Security Announcement

        Package:                kernel
        Announcement ID:        SUSE-SA:2005:050
        Date:                   Thu, 01 Sep 2005 14:00:00 +0000
        Affected Products:      9.1, 9.2, 9.3
                                SUSE Linux Enterprise Server 9
                                Novell Linux Desktop 9
        Vulnerability Type:     denial of service, local privilege escalation
        Severity (1-10):        7
        SUSE Default Package:   yes
        Cross-References:       CAN-2005-2457
                                CAN-2005-2458
                                CAN-2005-2459
                                CAN-2005-2555
                                CAN-2005-2456
                                CAN-2005-0916

    Content of This Advisory:
        1) Security Vulnerability Resolved:
             various security issues and bugfixes for the Linux kernel
           Problem Description
        2) Solution or Workaround
        3) Special Instructions and Notes
        4) Package Location and Checksums
        5) Pending Vulnerabilities, Solutions, and Workarounds:
            See SUSE Security Summary Report.
        6) Authenticity Verification and Additional Information

______________________________________________________________________________

1) Problem Description and Brief Discussion

   The Linux kernel was updated to fix the following security issues:
   - CAN-2005-2457: A problem in decompression of files on "zisofs"
     filesystem was fixed.

   - CAN-2005-2458: A potential buffer overflow in the zlib decompression
     handling in the kernel was fixed.

   - CAN-2005-2459: Some return codes in zlib decoding were fixed which
     could have led to an attacker crashing the kernel.

   - CAN-2005-2555: Only processes with the CAP_NET_ADMIN capability is
     now allowed load socket policies.

   - CAN-2005-2456: Fixed a potential overflow caused by missing boundary
     checks of sock->sk_policy in net/xfrm/.

   - AMD64/EM64T/x86_64 only: A previous fix for a denial of service
     attack with compat 32bit mode programs was too strict and could
     crash the kernel.  (The earlier fix had the Mitre CVE ID CAN-2005-1765.)

   - S/390 only: Fixed /sys/ permissions where a user could change machine
     states, including powering down or up partitions.

   - CAN-2005-0916: PowerPC only: A missing patch for a hugetlb memory
     context handling problem was added.

   Above problems affect SUSE Linux 9.1 up to 9.3 and SUSE Linux
   Enterprise Server 9.

   Additionally following bugs were fixed for SUSE Linux Enterprise
   Server 9 and SUSE Linux 9.1:
   - The reported process start times sometimes were incorrect.
   - The OCFS2 filesystem was updated to version 1.0.2. (SLES 9 only)
   - A potential deadlock in cpuset handling was fixed.
   - Fixed a potential crash on startup of the tg3 network driver.
   - Avoid high IRQ latencies in the VM handling.
   - rpm/post.sh was fixed so that initrd.previous is preserved again.
   - A problem in the handling of the tape ioctl MTIOCPOS was fixed.
   - Make the OOM process killer send SIGTERM first instead of SIGKILL.
   - Fixed a netfilter connection track return code mismatch.
   - Fixed a typo in the ipt_TTL netfilter module.
   - XEN was updated to version 2.0.6b. (i386 only)
   - Allow rsize/wsize values less than 4096 for NFS mounts.
   - A data corruption problem within the reiserfs filesystem in
     the handling of writing to mmaped regions after close of the file
     descriptor was fixed.

2) Solution or Workaround

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

3) Special Instructions and Notes

     SPECIAL INSTALLATION INSTRUCTIONS
     =================================
     The following paragraphs guide you through the installation
     process in a step-by-step fashion. The character sequence "****"
     marks the beginning of a new paragraph. In some cases, the steps
     outlined in a particular paragraph may or may not be applicable
     to your situation. Therefore, make sure that you read through
     all of the steps below before attempting any of these
     procedures. All of the commands that need to be executed must be
     run as the superuser 'root'. Each step relies on the steps
     before it to complete successfully.


   **** Step 1: Determine the needed kernel type.

     Use the following command to determine which kind of kernel is
     installed on your system:

       rpm -qf --qf '%{name}\n' /boot/vmlinuz


   **** Step 2: Download the packages for your system.

     Download the kernel RPM package for your distribution with the
     name indicated by Step 1. Starting from SUSE LINUX 9.2, kernel
     modules that are not free were moved to a separate package with
     the suffix '-nongpl' in its name. Download that package as well
     if you rely on hardware that requires non-free drivers, such as
     some ISDN adapters. The list of all kernel RPM packages is
     appended below.

     The kernel-source package does not contain a binary kernel in
     bootable form. Instead, it contains the sources that correspond
     with the binary kernel RPM packages. This package is required to
     build third party add-on modules.


   **** Step 3: Verify authenticity of the packages.

     Verify the authenticity of the kernel RPM package using the
     methods as listed in Section 6 of this SUSE Security
     Announcement.


   **** Step 4: Installing your kernel rpm package.

     Install the rpm package that you have downloaded in Step 2 with
     the command

         rpm -Uhv <FILE>

     replacing <FILE> with the filename of the RPM package
     downloaded.

     Warning: After performing this step, your system may not boot
              unless the following steps have been followed
             completely.


   **** Step 5: Configuring and creating the initrd.

     The initrd is a RAM disk that is loaded into the memory of your
     system together with the kernel boot image by the boot loader.
     The kernel uses the content of this RAM disk to execute commands
     that must be run before the kernel can mount its root file
     system. The initrd is typically used to load hard disk
     controller drivers and file system modules. The variable
     INITRD_MODULES in /etc/sysconfig/kernel determines which kernel
     modules are loaded in the initrd.

     After a new kernel rpm has been installed, the initrd must be
     recreated to include the updated kernel modules. Usually this
     happens automatically when installing the kernel rpm. If
     creating the initrd fails for some reason, manually run the
     command

       /sbin/mkinitrd


   **** Step 6: Update the boot loader, if necessary.

     Depending on your software configuration, you either have the
     LILO or GRUB boot loader installed and initialized on your
     system. Use the command

       grep LOADER_TYPE /etc/sysconfig/bootloader

     to find out which boot loader is configured.

     The GRUB boot loader does not require any further action after a
     new kernel has been installed. You may proceed to the next step
     if you are using GRUB.

     If you use the LILO boot loader, lilo must be run to
     reinitialize the boot sector of the hard disk. Usually this
     happens automatically when installing the kernel RPM. In case
     this step fails, run the command

       /sbin/lilo


     Warning: An improperly installed boot loader will render your
              system unbootable.


   **** Step 7: Reboot.

     If all of the steps above have been successfully completed on
     your system, the new kernel including the kernel modules and the
     initrd are ready to boot. The system needs to be rebooted for
     the changes to be active. Make sure that all steps have been
     completed then reboot using the command

       /sbin/shutdown -r now

     Your system will now shut down and restart with the new 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.


   x86 Platform:

   SUSE Linux 9.3:
   ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/i586/Intel-536ep-4.69-10.3.i586.rpm
          109dae42886f2911ecd8cc4af99c3b2c
   ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/i586/dprobes-3.6.5-8.3.i586.rpm
          bfeb0c950feeaa75c79a4a57cc87f551
   ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/i586/kernel-bigsmp-2.6.11.4-21.9.i586.rpm
          7e7ba551fe6b92107a0ba09826d8e120
   ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/i586/kernel-bigsmp-nongpl-2.6.11.4-21.9.i586.rpm
          a93a42d93d0afa839e8884ca9ac42c99
   ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/i586/kernel-default-2.6.11.4-21.9.i586.rpm
          2d8a2dc424c11b5da3949de154c4b80c
   ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/i586/kernel-default-nongpl-2.6.11.4-21.9.i586.rpm
          6f7a4b0a62ced6586aa7353ed748c90c
   ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/i586/kernel-smp-2.6.11.4-21.9.i586.rpm
          750dea25641d0ad7d773159d47ca4e73
   ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/i586/kernel-smp-nongpl-2.6.11.4-21.9.i586.rpm
          ee34377746c4b71d6d7afc7534571ca8
   ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/i586/kernel-source-2.6.11.4-21.9.i586.rpm
          3239a4c642281f183de39665146066f4
   ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/i586/kernel-syms-2.6.11.4-21.9.i586.rpm
          963b94068f885e168a66827d69800671
   ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/i586/kernel-um-2.6.11.4-21.9.i586.rpm
          ceee524474d29063a2d822c72c0b1f51
   ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/i586/kernel-um-nongpl-2.6.11.4-21.9.i586.rpm
          52740f234d74c21a0e5623187bf26936
   ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/i586/kernel-xen-2.6.11.4-21.9.i586.rpm
          a4c2cf202304fcf52ce85cb7dcc61d4f
   ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/i586/kernel-xen-nongpl-2.6.11.4-21.9.i586.rpm
          f8ef60057bc59af1547652b1c4602341
   ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/i586/ltmodem-8.31a10-7.3.i586.rpm
          3bc9843472d9ed2441ba86e9b8b9ce32
   ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/i586/um-host-install-initrd-1.0-50.3.i586.rpm
          e539dfe0c114e43074c2cf28941b6370
   ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/i586/um-host-kernel-2.6.11.4-21.9.i586.rpm
          41feebd67d6f7423cbba6237225f5f5c
   ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/noarch/kernel-docs-2.6.11.4-21.9.noarch.rpm
          6b30319984cb6de2077d45f315df61c1

   SUSE Linux 9.2:
   ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/i586/Intel-536ep-4.69-5.11.i586.rpm
          b9770aab503fa879cd55f4de3ce048f0
   ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/i586/kernel-bigsmp-2.6.8-24.18.i586.rpm
          f2d18f3a10c1e2dbea9ea504ab6b9ff4
   ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/i586/kernel-bigsmp-nongpl-2.6.8-24.18.i586.rpm
          868363c524a6aa6b0e2557459cf63a64
   ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/i586/kernel-default-2.6.8-24.18.i586.rpm
          3621a8e1ec926d6da0a274e1f23a3ea1
   ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/i586/kernel-default-nongpl-2.6.8-24.18.i586.rpm
          f11a56495ff83f34dc1fb38305415f54
   ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/i586/kernel-smp-2.6.8-24.18.i586.rpm
          bf5e230555f840dd9eb8911198cbc371
   ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/i586/kernel-smp-nongpl-2.6.8-24.18.i586.rpm
          5ee7ee747863bade5b1dce5dbf9c7e15
   ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/i586/kernel-source-2.6.8-24.18.i586.rpm
          6917011ebed217407e11a01ffc7bf626
   ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/i586/kernel-syms-2.6.8-24.18.i586.rpm
          0dc29fb67711452cdbe5559c0cfde5fb
   ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/i586/kernel-um-2.6.8-24.18.i586.rpm
          3003c431b7e9a42bebbf784af93a3f76
   ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/i586/kernel-um-nongpl-2.6.8-24.18.i586.rpm
          09f993e9d0cd44e35cfc413ba7e78bf2
   ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/i586/ltmodem-8.31a8-6.11.i586.rpm
          fe37f4b03e17a6744186109e392a55a0
   ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/i586/um-host-install-initrd-1.0-48.10.i586.rpm
          bd22da540dc368149a2c9be16d8003c7
   ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/i586/um-host-kernel-2.6.8-24.18.i586.rpm
          de3787a34b56330cdd0adc94dc1d6006
   ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/noarch/kernel-docs-2.6.8-24.18.noarch.rpm
          1f21b6b38e708a5dc1aefce5625422a9

   SUSE Linux 9.1:
   ftp://ftp.suse.com/pub/suse/i386/update/9.1/rpm/i586/kernel-bigsmp-2.6.5-7.201.i586.rpm
          aa45d2173b5566458c3f0f3398cc0f3d
   ftp://ftp.suse.com/pub/suse/i386/update/9.1/rpm/i586/kernel-default-2.6.5-7.201.i586.rpm
          63eeab850bdfa1a4305e28539320623b
   ftp://ftp.suse.com/pub/suse/i386/update/9.1/rpm/i586/kernel-smp-2.6.5-7.201.i586.rpm
          0a676bfc456c2313cfa5494a2e7c6b27
   ftp://ftp.suse.com/pub/suse/i386/update/9.1/rpm/i586/kernel-source-2.6.5-7.201.i586.rpm
          9d3f2c8f10d6d5003a8ea7092db297d3
   ftp://ftp.suse.com/pub/suse/i386/update/9.1/rpm/i586/kernel-syms-2.6.5-7.201.i586.rpm
          26a74b8ddedef7338925436ba003c8c4
   ftp://ftp.suse.com/pub/suse/i386/update/9.1/rpm/i586/ltmodem-2.6.2-38.18.i586.rpm
          dcf21f7128d4706d2da312f9a6b8dc90
   ftp://ftp.suse.com/pub/suse/i386/update/9.1/rpm/noarch/kernel-docs-2.6.5-7.201.noarch.rpm
          cab23dd81c314831b410b54c0dfbc42a
   source rpm(s):
   ftp://ftp.suse.com/pub/suse/i386/update/9.1/rpm/src/kernel-bigsmp-2.6.5-7.201.nosrc.rpm
          4ba7837432933e6596c96ee60dda1234
   ftp://ftp.suse.com/pub/suse/i386/update/9.1/rpm/src/kernel-default-2.6.5-7.201.nosrc.rpm
          b05d0775cc2af4b0e3dba0526be965d2
   ftp://ftp.suse.com/pub/suse/i386/update/9.1/rpm/src/kernel-docs-2.6.5-7.201.src.rpm
          73f3e4ed493276c33cd4053651d799a1
   ftp://ftp.suse.com/pub/suse/i386/update/9.1/rpm/src/kernel-smp-2.6.5-7.201.nosrc.rpm
          fcb5dcbdb2488a76bae06adb4ea78dee
   ftp://ftp.suse.com/pub/suse/i386/update/9.1/rpm/src/kernel-source-2.6.5-7.201.src.rpm
          1553435ba0f6daaeccc63f10a29fa45c
   ftp://ftp.suse.com/pub/suse/i386/update/9.1/rpm/src/kernel-syms-2.6.5-7.201.src.rpm
          60be37a607d8026f610fc9b8c1e9ae17
   ftp://ftp.suse.com/pub/suse/i386/update/9.1/rpm/src/ltmodem-2.6.2-38.18.src.rpm
          6e1255189986a535415ba4b4e0564520

   x86-64 Platform:

   SUSE Linux 9.3:
   ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/x86_64/kernel-default-2.6.11.4-21.9.x86_64.rpm
          4d70cd8cb28769225df3dee3ee3a75b8
   ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/x86_64/kernel-default-nongpl-2.6.11.4-21.9.x86_64.rpm
          ccbfe4e8c9a494e503e8ffac13f5c96b
   ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/x86_64/kernel-smp-2.6.11.4-21.9.x86_64.rpm
          728b815392936f82c1adc851ea8e29d3
   ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/x86_64/kernel-smp-nongpl-2.6.11.4-21.9.x86_64.rpm
          4035b4d7327357bfe0d6716436fd19e0
   ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/x86_64/kernel-source-2.6.11.4-21.9.x86_64.rpm
          2a786f6c08590518a18d9681dca4ad52
   ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/x86_64/kernel-syms-2.6.11.4-21.9.x86_64.rpm
          f1746cd488a6da7a5e0a19969826550c
   source rpm(s):
   ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/src/kernel-default-2.6.11.4-21.9.nosrc.rpm
          aa979e173bc503975cf13cbab233bfb4
   ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/src/kernel-smp-2.6.11.4-21.9.nosrc.rpm
          8754d80bf918690b92d831ea71488a86
   ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/src/kernel-source-2.6.11.4-21.9.src.rpm
          8644df179ff0d981a5fdce59e4e1fbfe
   ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/src/kernel-syms-2.6.11.4-21.9.src.rpm
          1bbb661256f769a3fae67fdd19a563fe

   SUSE Linux 9.2:
   ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/x86_64/kernel-default-2.6.8-24.18.x86_64.rpm
          a8230f827e8cd61908bb11f16507edf2
   ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/x86_64/kernel-default-nongpl-2.6.8-24.18.x86_64.rpm
          b4e58b8b233457a1fc7155faf339ac46
   ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/x86_64/kernel-smp-2.6.8-24.18.x86_64.rpm
          ad755caed5c5218190e3fb7d421f1e2a
   ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/x86_64/kernel-smp-nongpl-2.6.8-24.18.x86_64.rpm
          5bf4775c72b70883fd17273ff2999161
   ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/x86_64/kernel-source-2.6.8-24.18.x86_64.rpm
          b9db64d95bcae9c070597a5720fb25a2
   ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/x86_64/kernel-syms-2.6.8-24.18.x86_64.rpm
          0e65e631c2e9ba35e6d1bf1163e7a8a8
   source rpm(s):
   ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/src/kernel-default-2.6.8-24.18.nosrc.rpm
          e4b8d7c2fdb1b9872494d069746dd90b
   ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/src/kernel-smp-2.6.8-24.18.nosrc.rpm
          aaa890bb4ae4ae23c97f5bffcbcd2903
   ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/src/kernel-source-2.6.8-24.18.src.rpm
          2b05f5c1a7fbf7d71ed7b2c0ed2d0c54
   ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/src/kernel-syms-2.6.8-24.18.src.rpm
          4e4ee957d672abc004abff13e39be8a2

   SUSE Linux 9.1:
   ftp://ftp.suse.com/pub/suse/x86_64/update/9.1/rpm/noarch/kernel-docs-2.6.5-7.201.noarch.rpm
          3f727ff28a5e40fd0c472fc2beacb6f7
   ftp://ftp.suse.com/pub/suse/x86_64/update/9.1/rpm/x86_64/kernel-default-2.6.5-7.201.x86_64.rpm
          e868e8d135eaa480aa65eeb4936aa9ed
   ftp://ftp.suse.com/pub/suse/x86_64/update/9.1/rpm/x86_64/kernel-smp-2.6.5-7.201.x86_64.rpm
          f0c10b5ecdeace7416a914c4f6bf9a77
   ftp://ftp.suse.com/pub/suse/x86_64/update/9.1/rpm/x86_64/kernel-source-2.6.5-7.201.x86_64.rpm
          5f058bc7b8b8e01c154e601c6802772b
   ftp://ftp.suse.com/pub/suse/x86_64/update/9.1/rpm/x86_64/kernel-syms-2.6.5-7.201.x86_64.rpm
          8344d1a6429b502c2b6a13bae440c1a6
   source rpm(s):
   ftp://ftp.suse.com/pub/suse/x86_64/update/9.1/rpm/src/kernel-default-2.6.5-7.201.nosrc.rpm
          ba19c499f451e49609a518c220614512
   ftp://ftp.suse.com/pub/suse/x86_64/update/9.1/rpm/src/kernel-docs-2.6.5-7.201.src.rpm
          060132033a7b024f0a79131e3312cc30
   ftp://ftp.suse.com/pub/suse/x86_64/update/9.1/rpm/src/kernel-smp-2.6.5-7.201.nosrc.rpm
          7c62646a0d6c8036d5cb74d9dbd071b3
   ftp://ftp.suse.com/pub/suse/x86_64/update/9.1/rpm/src/kernel-source-2.6.5-7.201.src.rpm
          17cd263a0ec18dee41099c560685e928
   ftp://ftp.suse.com/pub/suse/x86_64/update/9.1/rpm/src/kernel-syms-2.6.5-7.201.src.rpm
          7834c7e97de98f4611f600ec1bfdb7dc


______________________________________________________________________________

5) Pending Vulnerabilities, Solutions, and Workarounds:

   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.

    There are two verification methods that can be used independently from
    each other to prove the authenticity of a downloaded file or RPM package:

    1) Using the internal gpg signatures of the rpm package
    2) MD5 checksums as provided in this announcement

    1) 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.

    2) If you need an alternative means of verification, use the md5sum
       command to verify the authenticity of the packages. Execute the command

         md5sum <filename.rpm>

       after you downloaded the file from a SUSE FTP server or its mirrors.
       Then compare the resulting md5sum with the one that is listed in the
       SUSE security announcement. Because the announcement containing the
       checksums is cryptographically signed (by security () suse de), the
       checksums show proof of the authenticity of the package if the
       signature of the announcement is valid. Note that the md5 sums
       published in the SUSE Security Announcements are valid for the
       respective packages only. Newer versions of these packages cannot be
       verified.

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

    suse-security () suse com
        -   General Linux and SUSE security discussion.
            All SUSE security announcements are sent to this list.
            To subscribe, send an e-mail to
                <suse-security-subscribe () suse com>.

    suse-security-announce () suse com
        -   SUSE's announce-only mailing list.
            Only SUSE's security announcements are sent to this list.
            To subscribe, send an e-mail to
                <suse-security-announce-subscribe () suse com>.

    For general information or the frequently asked questions (FAQ),
    send mail to <suse-security-info () suse com> or
    <suse-security-faq () suse com>.

    =====================================================================
    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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