Articles / SuSE: New kernel packages f…

SuSE: New kernel packages fix remote denial of service

The Linux kernel on openSUSE 10.3 was updated to fix a critical locking problem in the reiserfs code which lead to process deadlocks. This update also addresses a local denial of service when mounting MINIX filesystems and a 2 byte buffer underflow in the ieee80211 stack, which might be used by attackers in the local WLAN reach to crash the machine. Fixed packages are available from ftp.suse.com.
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

______________________________________________________________________________

                       SUSE Security Announcement

       Package:                kernel
       Announcement ID:        SUSE-SA:2007:059
       Date:                   Fri, 09 Nov 2007 16:00:00 +0000
       Affected Products:      openSUSE 10.3
       Vulnerability Type:     remote denial of service
       Severity (1-10):        7
       SUSE Default Package:   yes
       Cross-References:       CVE-2006-6058, CVE-2007-4997

   Content of This Advisory:
       1) Security Vulnerability Resolved:
            kernel update
          Problem Description
       2) Solution or Work-Around
       3) Special Instructions and Notes
       4) Package Location and Checksums
       5) Pending Vulnerabilities, Solutions, and Work-Arounds:
           none
       6) Authenticity Verification and Additional Information

______________________________________________________________________________

1) Problem Description and Brief Discussion

  The Linux kernel on openSUSE 10.3 was updated to fix a critical
  locking problem in the reiserfs code which lead to process deadlocks.

  This kernel update also fixes the following two security problems:

  - CVE-2006-6058: A local denial of service when mounting
                   MINIX filesystems was fixed.

  - CVE-2007-4997: A 2 byte buffer underflow in the ieee80211 stack
                   was fixed, which might be used by attackers in the
                   local WLAN reach to crash the machine.

  and the following non security bugs:

  -  Kernel update to 2.6.22.12
     including fixes for:
       genirq, x86_64, Infiniband, networking, hwmon, device removal bug
       [#332612]
  -  patches.drivers/alsa-hdsp-zero-division:
     hdsp - Fix zero division (mainline: 2.6.24-rc1)
  -  patches.drivers/libata-ata_piix-properly_terminate_DMI_system_list:
     Fix improperly terminated array
  -  patches.rt/patch-2.6.22.1-rt4.openSUSE:
     updated existing patch (RT only)
  -  patches.drivers/alsa-hda-robust-probe:
     hda-intel - Improve HD-audio codec probing robustness  [#172330]
  -  patches.drivers/alsa-hda-probe-blacklist:
     hda-intel - Add probe_mask blacklist  [#172330]
  -  patches.fixes/megaraid_mbox-dell-cerc-support:
     Dell CERC support for megaraid_mbox  [#267134]
  -  patches.suse/reiserfs-use-reiserfs_error.diff:
     updated existing patch  [#299604]
  -  patches.arch/acpi_gpe_suspend_cleanup-fix.patch:
     ACPI: Call acpi_enable_wakeup_device at power_off (updated)
     [#299882]
  -  patches.suse/ocfs2-15-fix-heartbeat-write.diff:
     Fix heartbeat block writing  [#300730]
  -  patches.suse/ocfs2-14-fix-notifier-hang.diff:
     Fix kernel hang during cluster initialization  [#300730]
  -  patches.arch/acpi_autoload_bay.patch:
     updated existing patch  [#302482]
  -  patches.suse/zc0301_not_claim_logitech_quickcamera.diff:
     stop the zc0301 driver from claiming the Logitech QuickCam
     [#307055]
  -  patches.fixes/aux-at_vector_size.patch:
     Fixed kernel auxv vector overflow in some binfmt_misc cases
     [#310037]
  -  patches.fixes/nfs-name-len-limit:
     NFS: Fix an Oops in encode_lookup()  [#325913]
  -  patches.arch/acpi_lid-resume.patch:
     ACPI: button: send initial lid state after add and resume
     [#326814]
  -  patches.fixes/remove-transparent-bridge-sizing:
     PCI: remove transparent bridge sizing  [#331027]
  -  patches.fixes/fat_optimize-count-freeclus.patch:
     Make scan of FAT table faster [#331600]
  -  patches.suse/reiserfs-remove-first-zero-hint.diff:
     reiserfs: remove first_zero_hint (updated)  [#331814]
  -  patches.drivers/aic7xxx-add-suspend-resume-support:
     aic7xxx: Add suspend/resume support  [#332048]
  -  patches.drivers/alsa-emu10k1-spdif-mem-fix:
     emu10k1 - Fix memory corruption  [#333314]
  -  patches.drivers/alsa-hda-stac-avoid-zero-nid:
     Fix error probing with STAC codecs  [#333320]
  -  patches.arch/acpi_ec_fix_battery.patch:
     Fix battery/EC issues on Acer and Asus laptops  [#334806]
  -  patches.suse/reiserfs-make-per-inode-xattr-locking-more-fine-grained.diff:
     fixed a bad unlock in reiserfs_xattr_get()   [#336669]
  -  patches.fixes/ramdisk-2.6.23-corruption_fix.diff:
     rd: fix data corruption on memory pressure  [#338643]
  -  patches.drivers/add-wacom-pnp_devices.patch:
     wacom tablet pnp IDs to 8250_pnp.c  [#339288]

2) Solution or Work-Around

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

3) Special Instructions and Notes

  If you are using the GRUB bootloader, please review the /boot/grub/menu.lst
  file after the update for correctness.

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 

  to apply the update, replacing  with the filename of the
  downloaded RPM package.


  x86 Platform:

  openSUSE 10.3:
  http://download.opensuse.org/pub/opensuse/update/10.3/rpm/i586/kernel-bigsmp-2.6.22.12-0.1.i586.rpm
         1a12e1aacec911f5c08279f5ef98847f
  http://download.opensuse.org/pub/opensuse/update/10.3/rpm/i586/kernel-debug-2.6.22.12-0.1.i586.rpm
         4a53ab56b281fd86dd0d206d512731f7
  http://download.opensuse.org/pub/opensuse/update/10.3/rpm/i586/kernel-default-2.6.22.12-0.1.i586.rpm
         960032b6e3c89616bb12e2e92cb8aef6
  http://download.opensuse.org/pub/opensuse/update/10.3/rpm/i586/kernel-source-2.6.22.12-0.1.i586.rpm
         390ad049b12300321fe35bcdb88b7c31
  http://download.opensuse.org/pub/opensuse/update/10.3/rpm/i586/kernel-syms-2.6.22.12-0.1.i586.rpm
         3056141e73f37a521c52bb55fcd76006
  http://download.opensuse.org/pub/opensuse/update/10.3/rpm/i586/kernel-xen-2.6.22.12-0.1.i586.rpm
         89d63df290a8f2e2dc7ceb85f77d6533
  http://download.opensuse.org/pub/opensuse/update/10.3/rpm/i586/kernel-xenpae-2.6.22.12-0.1.i586.rpm
         443f87738be5368e7bb28936157c6c01

  Power PC Platform:

  openSUSE 10.3:
  http://download.opensuse.org/pub/opensuse/update/10.3/rpm/ppc/kernel-default-2.6.22.12-0.1.ppc.rpm
         b776981525527e92dc461b20cd54a4e5
  http://download.opensuse.org/pub/opensuse/update/10.3/rpm/ppc/kernel-kdump-2.6.22.12-0.1.ppc.rpm
         35391438b5df1eb49874929b41063b89
  http://download.opensuse.org/pub/opensuse/update/10.3/rpm/ppc/kernel-ppc64-2.6.22.12-0.1.ppc.rpm
         3052960e883737aa3c29a9633e1e0ea8
  http://download.opensuse.org/pub/opensuse/update/10.3/rpm/ppc/kernel-source-2.6.22.12-0.1.ppc.rpm
         e1aaee8d102ab448f1e2111b7c3bcb87
  http://download.opensuse.org/pub/opensuse/update/10.3/rpm/ppc/kernel-syms-2.6.22.12-0.1.ppc.rpm
         f3a79e7be26c2ed4f4112cee14bb7a78

  x86-64 Platform:

  openSUSE 10.3:
  http://download.opensuse.org/pub/opensuse/update/10.3/rpm/x86_64/kernel-debug-2.6.22.12-0.1.x86_64.rpm
         867bdea7dfd4a643a424e46b82bbe912
  http://download.opensuse.org/pub/opensuse/update/10.3/rpm/x86_64/kernel-default-2.6.22.12-0.1.x86_64.rpm
         0df6d8269e9b2674c34fb609942fbf32
  http://download.opensuse.org/pub/opensuse/update/10.3/rpm/x86_64/kernel-source-2.6.22.12-0.1.x86_64.rpm
         5cfd1c3745f1d7ad329eb94393df990e
  http://download.opensuse.org/pub/opensuse/update/10.3/rpm/x86_64/kernel-syms-2.6.22.12-0.1.x86_64.rpm
         5c368bbe01e6667f8234677a010d5764
  http://download.opensuse.org/pub/opensuse/update/10.3/rpm/x86_64/kernel-xen-2.6.22.12-0.1.x86_64.rpm
         b5b3b7cb20914407296ec87e8437cf20

  Sources:

  openSUSE 10.3:
  http://download.opensuse.org/pub/opensuse/update/10.3/rpm/src/kernel-bigsmp-2.6.22.12-0.1.nosrc.rpm
         b6c70308122a82a656574d4198437ee0
  http://download.opensuse.org/pub/opensuse/update/10.3/rpm/src/kernel-debug-2.6.22.12-0.1.nosrc.rpm
         f1bd6bd6399346959919679c15766bdd
  http://download.opensuse.org/pub/opensuse/update/10.3/rpm/src/kernel-default-2.6.22.12-0.1.nosrc.rpm
         7fb25a4f00225b2430eb41221e09bacc
  http://download.opensuse.org/pub/opensuse/update/10.3/rpm/src/kernel-kdump-2.6.22.12-0.1.nosrc.rpm
         f1941735af850af06c542469c6b16a3d
  http://download.opensuse.org/pub/opensuse/update/10.3/rpm/src/kernel-ppc64-2.6.22.12-0.1.nosrc.rpm
         f89babffcbfc64cc8efbe16283ddfdca
  http://download.opensuse.org/pub/opensuse/update/10.3/rpm/src/kernel-source-2.6.22.12-0.1.src.rpm
         a1c6fa14f08682419b8f4f5fc5e0b8a4
  http://download.opensuse.org/pub/opensuse/update/10.3/rpm/src/kernel-syms-2.6.22.12-0.1.src.rpm
         75c585e0a4276542dd6828080aa7f29c
  http://download.opensuse.org/pub/opensuse/update/10.3/rpm/src/kernel-xen-2.6.22.12-0.1.nosrc.rpm
         cf5c174deb9b4588e3b7708236d9cb8c
  http://download.opensuse.org/pub/opensuse/update/10.3/rpm/src/kernel-xenpae-2.6.22.12-0.1.nosrc.rpm
         b7685baa4f3cabcbe5c9291edfde1c39

______________________________________________________________________________

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

  none
______________________________________________________________________________

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 

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

     gpg: Signature made  using RSA key ID 3D25D3D9
     gpg: Good signature from "SuSE Security Team "

   where  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 

      to verify the signature of the package, replacing  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 

      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:

   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-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
               .

   =====================================================================
   SUSE's security contact is  or .
   The  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 
pub  1024D/9C800ACA 2000-10-19 SuSE Package Signing Key 

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