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Sicherheit: Mehrere Probleme im Linux-Kernel
Aktuelle Meldungen Distributionen
Name: Mehrere Probleme im Linux-Kernel
ID: MDKSA-2003:066
Distribution: Mandrake
Plattformen: Mandrake 9.1
Datum: Do, 12. Juni 2003, 13:00
Referenzen: Keine Angabe
Applikationen: Linux

Originalnachricht

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________________________________________________________________________

Mandrake Linux Security Update Advisory
________________________________________________________________________

Package name: kernel
Advisory ID: MDKSA-2003:066
Date: June 11th, 2003

Affected versions: 9.1
________________________________________________________________________

Problem Description:

Multiple vulnerabilities were discovered and fixed in the Linux kernel.

* CAN-2003-0001: Multiple ethernet network card drivers do not pad
frames with null bytes which allows remote attackers to obtain
information from previous packets or kernel memory by using
special malformed packets.

* CAN-2003-0244: The route cache implementation in the 2.4 kernel and
the Netfilter IP conntrack module allows remote attackers to cause a
Denial of Service (DoS) via CPU consumption due to packets with
forged source addresses that cause a large number of hash table
collisions related to the PREROUTING chain.

* CAN-2003-0246: The ioperm implementation in 2.4.20 and earlier
kernels does not properly restrict privileges, which allows local
users to gain read or write access to certain I/O ports.

* CAN-2003-0247: A vulnerability in the TTY layer of the 2.4 kernel
allows attackers to cause a kernel oops resulting in a DoS.

* CAN-2003-0248: The mxcsr code in the 2.4 kernel allows attackers to
modify CPU state registers via a malformed address.

As well, a number of bug fixes were made in the 9.1 kernel including:

* Support for more machines that did not work with APIC
* Audigy2 support
* New/updated modules: prims25, adiusbadsl, thinkpad, ieee1394,
orinoco, via-rhine,
* Fixed SiS IOAPIC
* IRQ balancing has been fixed for SMP
* Updates to ext3
* The previous ptrace fix has been redone to work better

MandrakeSoft encourages all users to upgrade to these new kernels.
Updated kernels will be available shortly for other supported platforms
and architectures.
________________________________________________________________________

References:

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0001
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0244
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0246
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0247
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0248
________________________________________________________________________

Updated Packages:

Mandrake Linux 9.1:
bca5bada0476e53911f157e9ec5ca504
9.1/RPMS/kernel-2.4.21.0.18mdk-1-1mdk.i586.rpm
57ee4b2b038598cbd020f1e0752a61dd
9.1/RPMS/kernel-BOOT-2.4.21.0.18mdk-1-1mdk.i586.rpm
b14c3291fab83bd1894c8b5217311dfa 9.1/RPMS/kernel-doc-2.4.21-0.18mdk.i586.rpm
ed766922171751e1f05c6ce590af9755
9.1/RPMS/kernel-enterprise-2.4.21.0.18mdk-1-1mdk.i586.rpm
64c554564115626ff86cf3fd5e40ece1
9.1/RPMS/kernel-secure-2.4.21.0.18mdk-1-1mdk.i586.rpm
944017f71e79714767d94517cd41110d
9.1/RPMS/kernel-smp-2.4.21.0.18mdk-1-1mdk.i586.rpm
9621bebecb94bc6031ffaa073c4967f1
9.1/RPMS/kernel-source-2.4.21-0.18mdk.i586.rpm
9d0c651808a2874256489f3a90ad6fdb
9.1/SRPMS/kernel-2.4.21.0.18mdk-1-1mdk.src.rpm
________________________________________________________________________

Bug IDs fixed (see https://qa.mandrakesoft.com for more information):
________________________________________________________________________

To upgrade automatically, use MandrakeUpdate. The verification of md5
checksums and GPG signatures is performed automatically for you.

If you want to upgrade manually, download the updated package from one
of our FTP server mirrors and upgrade with "rpm -Fvh *.rpm". A list of
FTP mirrors can be obtained from:

http://www.mandrakesecure.net/en/ftp.php

Please verify the update prior to upgrading to ensure the integrity of
the downloaded package. You can do this with the command:

rpm --checksig <filename>

All packages are signed by MandrakeSoft for security. You can obtain
the GPG public key of the Mandrake Linux Security Team from:

https://www.mandrakesecure.net/RPM-GPG-KEYS

Please be aware that sometimes it takes the mirrors a few hours to
update.

You can view other update advisories for Mandrake Linux at:

http://www.mandrakesecure.net/en/advisories/

MandrakeSoft has several security-related mailing list services that
anyone can subscribe to. Information on these lists can be obtained by
visiting:

http://www.mandrakesecure.net/en/mlist.php

If you want to report vulnerabilities, please contact

security_linux-mandrake.com

Type Bits/KeyID Date User ID
pub 1024D/22458A98 2000-07-10 Linux Mandrake Security Team
<security linux-mandrake.com>

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