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Security update for Linux kernel

Knowledgebase

(Last modified: 01JUL2004)


solutions Security update for Linux kernel SuSE Linux Maintenance Web (1d7f45e61f99419f3b2e648d6c9e0ebf)

Applies to

Product(s): SuSE Linux Enterprise Server 8 for IBM S/390 and IBM zSeries

Package: k_deflt
kernel-source
Release: 20040701
Obsoletes: cfbae79c4a576d51303c8b54d40c2510
fe4a1d47420e092cf96615db74a29c73
0af98e4025a8bfca213ae5882354ab77
7abb7bbbfd92f2a733947eda45fb3520

Indications

Everyone using the Linux Kernel should update.

Contraindications

None.

Problem description

This kernel update fixes several security critical bugs that range from local denial-of-service conditions to possible privilege escalation.
  • chown: users can change the group affiliation of arbitrary files to the group they belong to
  • pss, mpu401 sound driver: read/write to complete memory
  • airo driver: read/write to complete memory
  • ALSA: copy_from_user/copy_to_user confused
  • acpi_asus: read from random memory
  • decnet: write to memory without checking
  • e1000 driver: read complete memory

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 k_deflt.rpm zipl
Please make sure to run "zipl" to write the updated IPL code to the DASD or MDISK as the system won't boot at next IPL otherwise.
Now reboot the system with
shutdown -r now
to load the new kernel (replace "now" with the appropriate amount of time to allow local users to cleanly log out, for example "+5" for five minutes.)
If you need the kernel sources you can install them by using the command:
rpm -Uvh kernel-source.rpm

links to download packages

Download Source Packages

Download the source code of the patches for maintained products.


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