Security update for Linux kernel (kernel-source)

Knowledgebase

(Last modified: 22JAN2004)

solutions Security update for Linux kernel (kernel-source) SuSE Linux Maintenance Web (1657ee5b3bc8722dd6cf6392869756be)

Applies to

Product(s): SuSE Linux Enterprise Server 7 for IBM zSeries

Package: kernel-source
Release: 20040122
Obsoletes: none

Indications

This patch updates your kernel-source package and is only necessary if you compile your own kernel.

Contraindications

None.

Problem description

This update fixes various problems and has the following enhancements:
IBM code drop

DASD driver sets improper default cache mode on ESS. (IBM Problem-ID 5409)
Disable message interrupts during connection setup.
Massive workload combined with ESS flascopy leading to IO hang. (IBM Problem-ID 4676)
Unnecessary restriction to length of input data for MEX request. (IBM Problem-ID 5633)
DASD driver: BUG when pulling/plug in fibers associated with ESS. (IBM Problem-ID 5702)

The "IBM Problem-ID" numbers refer to IBM Developer Works documentation for the "August 2001 stream".
Security fix
Paul Starzetz of iSEC reported a vulnerability in the mremap() system call, which allows local attackers to crash the machine and even obtain super user ("root") privileges under certain circumstances.

Installation notes

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

links to download packages

SUSE Linux Enterprise Server 7 for IBM zSeries (s390x)

Download Source Packages

Download the source code of the patches for maintained products.

Disclaimer

The Origin of this information may be internal or external to Novell. Novell makes all reasonable efforts to verify this information. However, the information provided in this document is for your information only. Novell makes no explicit or implied claims to the validity of this information.

Any trademarks referenced in this document are the property of their respective owners. Consult your product manuals for complete trademark information.