SUSE Security Announcement: kernel multiple security problems (SUSE-SA:2005:050)

From: Marcus Meissner (meissner_at_suse.de)
Date: 09/01/05

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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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