Debian: kernel 2.2 multiple vulnerabilities

    Date 01 Jul 2003
    Posted By LinuxSecurity Advisories
    A number of vulnerabilities have been discovered in the Linux kernel.
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    Debian Security Advisory DSA 336-1                     This email address is being protected from spambots. You need JavaScript enabled to view it.                             Matt Zimmerman
    June 29th, 2003                
    - --------------------------------------------------------------------------
    Package        : kernel-source-2.2.20, kernel-image-2.2.20-i386
    Vulnerability  : several
    Problem-Type   : local, remote
    Debian-specific: no
    CVE Ids        : CVE-2002-0429 CAN-2003-0001 CAN-2003-0127 CAN-2003-0244 CAN-2003-0246 CAN-2003-0247 CAN-2003-0248 CAN-2003-0364
    A number of vulnerabilities have been discovered in the Linux kernel.
    - - CVE-2002-0429: The iBCS routines in arch/i386/kernel/traps.c for
      Linux kernels 2.4.18 and earlier on x86 systems allow local users to
      kill arbitrary processes via a a binary compatibility interface
    - - CAN-2003-0001: Multiple ethernet Network Interface Card (NIC) device
      drivers do not pad frames with null bytes, which allows remote
      attackers to obtain information from previous packets or kernel
      memory by using malformed packets
    - - CAN-2003-0127: The kernel module loader allows local users to gain
      root privileges by using ptrace to attach to a child process that is
      spawned by the kernel
    - - CAN-2003-0244: The route cache implementation in Linux 2.4, and the
      Netfilter IP conntrack module, allows remote attackers to cause a
      denial of service (CPU consumption) via packets with forged source
      addresses that cause a large number of hash table collisions related
      to the PREROUTING chain
    - - CAN-2003-0246: The ioperm system call in Linux kernel 2.4.20 and
      earlier does not properly restrict privileges, which allows local
      users to gain read or write access to certain I/O ports.
    - - CAN-2003-0247: vulnerability in the TTY layer of the Linux kernel
      2.4 allows attackers to cause a denial of service ("kernel oops")
    - - CAN-2003-0248: The mxcsr code in Linux kernel 2.4 allows attackers
      to modify CPU state registers via a malformed address.
    - - CAN-2003-0364: The TCP/IP fragment reassembly handling in the Linux
      kernel 2.4 allows remote attackers to cause a denial of service (CPU
      consumption) via certain packets that cause a large number of hash
      table collisions
    This advisory provides updated 2.2.20 kernel source, and binary kernel
    images for the i386 architecture.  Other architectures and kernel
    versions will be covered by separate advisories.
    For the stable distribution (woody) on the powerpc architecture, these
    problems have been fixed in kernel-source-2.2.20 version
    2.2.20-5woody2 and kernel-image-i386 version 2.2.20-5woody3.
    For the unstable distribution (sid) these problems are fixed in
    kernel-source-2.2.25 and kernel-image-2.2.25-i386 version 2.2.25-2.
    We recommend that you update your kernel packages.
    NOTE: A system reboot will be required immediately after the upgrade
    in order to replace the running kernel.  Remember to read carefully
    and follow the instructions given during the kernel upgrade process.
    NOTE: These kernels are not binary-compatible with the previous
    version.  Any loadable modules will need to be recompiled in order to
    work with the new kernel.
    Upgrade Instructions
    - --------------------
    wget url
            will fetch the file for you
    dpkg -i file.deb
            will install the referenced file.
    If you are using the apt-get package manager, use the line for
    sources.list as given below:
    apt-get update
            will update the internal database
    apt-get upgrade
            will install corrected packages
    You may use an automated update by adding the resources from the
    footer to the proper configuration.
    Debian GNU/Linux 3.0 alias woody
    - --------------------------------
      Source archives:
          Size/MD5 checksum:      661 d3215fce4f216c046cccff92446e7918
          Size/MD5 checksum:   159446 a579fda249086961d987de8781049f78
          Size/MD5 checksum: 19394649 57c0edf86cb23a5b215db9121c9b3557
          Size/MD5 checksum:      834 fa03ee805dd5024d730f49e0316dbf53
          Size/MD5 checksum:    13928 0ccb61809634f83fd20de3079deb297c
      Architecture independent components:
          Size/MD5 checksum:  1162314 d3f23563af939c6d1f68860ce0419744
          Size/MD5 checksum: 15848472 0682fd4283579c341fa9ca27461cbad0
      Intel IA-32 architecture:
          Size/MD5 checksum:  1918624 d1d1f98e147fdf12a7374ff705ba89a7
          Size/MD5 checksum:  1867132 93d8ac12f8a884913ad88aeeb7a8ea1b
          Size/MD5 checksum:  1839328 e3fb8a95dd2a1ba641fd598a019879c0
          Size/MD5 checksum:  5901626 3fa8bae1676466e02992a1ce80009697
          Size/MD5 checksum:  1733362 5d5293e99f68cbabb1489226903f4895
          Size/MD5 checksum:  1395212 70389d3561e392a5487b493d24e2abfe
      These files will probably be moved into the stable distribution on
      its next revision.
    - ---------------------------------------------------------------------------------
    For apt-get: deb stable/updates main
    For dpkg-ftp: dists/stable/updates/main
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    Package info: `apt-cache show ' and

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