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Security update for kernel-source


(Last modified: 21JUL2003)

solutions Security update for kernel-source SuSE Linux Maintenance Web (3ad2793fe2db46f3d3257e03ba28f0fa)

Applies to

Product(s): SuSE Linux Enterprise Server 8 for IBM iSeries and IBM pSeries

Package: kernel-source
Release: 20030721
Obsoletes: none


This update should be installed on all systems for security reasons.

Problem description

  • 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
  • Fixed several potential buffer overflows in the 32 bit emulation layer.
  • CAN-2003-0247: Fixed local DOS via /dev/console & TIOCCONS.
  • Fix potential buffer overflow in module load in iCom modem driver.
  • Fix ptrace kmod patch to restore old behaviour.
New vulnerabilities fixed since last update:
  • CAN-2003-0476 "fd sharing" problem fixed, where an attacker can read setuid, but not readable programs.
  • CAN-2003-0501 proc disclosure issue was fixed.
  • CAN-2003-0462 /proc/self/* permissions vs executing a setuid application race was fixed.
  • CAN-2003-0464 nfs binding issue, were unprivileged programs could bind to the NFS port, was fixed.
Additional following critical bugs were fixed:
  • RAID 1 module is no longer miscompiled.
  • avoid race window in submit_bh.
  • added ethtool eeprom config ioctls.
  • added ethtool eeprom config ioctls.
  • better handling for scsi recovered errors added.
  • kmalloc sizeof struct instead of sizeof pointer
  • NFS: Fixed race between mount and lockd.
  • Use different uname -r, to avoid module load problems.
  • The ibmsis driver was updated to version 1.18.16, fixing a problem with a 2757 SCSI storage driver.


Please install the updates provided at the location noted below.

Installation notes

This update is provided as an RPM package that can easily be installed onto a running system by using this command:
rpm -Fvh kernel-source.rpm

links to download packages

Download Source Packages

Download the source code of the patches for maintained products.


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