Security update for kernel-iseries64

Knowledgebase

(Last modified: 21JUL2003)

solutions Security update for kernel-iseries64 SuSE Linux Maintenance Web (d510065a7ce35107054d235967897480)

Applies to

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

Package: kernel-iseries64
Release: 20030721
Obsoletes: none

Indications

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

Problem description

This kernel fixes several security vulnerabilities.

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.

Solution

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 -Uvh kernel-iseries64.rpm

Please run mk_initrd and lilo after the update and reboot the machine.

links to download packages

SUSE Linux Enterprise Server 8 for IBM iSeries and IBM pSeries (ppc)

Download Source Packages

Download the source code of the patches for maintained products.

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