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Message-ID: <20030725165740.2098.qmail@updates.mandrakesoft.com>
From: security at linux-mandrake.com (Mandrake Linux Security Team)
Subject: MDKSA-2003:066-2 - Updated kernel packages fix multiple vulnerabilities
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________________________________________________________________________
Mandrake Linux Security Update Advisory
________________________________________________________________________
Package name: kernel
Advisory ID: MDKSA-2003:066-2
Date: July 25th, 2003
Original Advisory 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.
* CAN-2003-0462: A file read race existed in the execve() system call.
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
* Bugs with compiling kernels using xconfig have been fixed
* Problems with ipsec have been corrected
* XFS ACLs are now present
* gdb not working on XFS root filesystems has been fixed
MandrakeSoft encourages all users to upgrade to these new kernels.
Updated kernels will be available shortly for other supported platforms
and architectures.
For full instructions on how to properly upgrade your kernel, please
review http://www.mandrakesecure.net/en/docs/magic.php.
Update:
The kernels provided in MDKSA-2003:066-1 (2.4.21-0.24mdk) had a problem
where all files created on any filesystem other than XFS, and using any
kernel other than kernel-secure, would be created with mode 0666, or
world writeable. The 0.24mdk kernels have been removed from the
mirrors and users are encouraged to upgrade and remove those kernels
from their systems to prevent accidentally booting into them.
That issue has been addressed and fixed with these new kernels.
________________________________________________________________________
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
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0462
http://marc.theaimsgroup.com/?l=bugtraq&m=105664924024009&w=2
________________________________________________________________________
Updated Packages:
Mandrake Linux 9.1:
419058c00d6cbc637c3a8fc8856438ef 9.1/RPMS/kernel-2.4.21.0.25mdk-1-1mdk.i586.rpm
9a4382eef9022e9d650171e9b99e40e8 9.1/RPMS/kernel-BOOT-2.4.21.0.25mdk-1-1mdk.i586.rpm
8fb033ae79f8d62ef7db8116dbd8a258 9.1/RPMS/kernel-doc-2.4.21-0.25mdk.i586.rpm
7c4446a519dc48c70a13e8765c19c35f 9.1/RPMS/kernel-enterprise-2.4.21.0.25mdk-1-1mdk.i586.rpm
7b1824f5cc6e22f7a2ff8d21be497e57 9.1/RPMS/kernel-secure-2.4.21.0.25mdk-1-1mdk.i586.rpm
1a1b38775940278848e30ad740552748 9.1/RPMS/kernel-smp-2.4.21.0.25mdk-1-1mdk.i586.rpm
680b79e2591161ba6829fd3656f16abb 9.1/RPMS/kernel-source-2.4.21-0.25mdk.i586.rpm
ecb903bcd0dd169eeb53f534638b7cd7 9.1/SRPMS/kernel-2.4.21.0.25mdk-1-1mdk.src.rpm
Mandrake Linux 9.1/PPC:
558d5d6784f15775a5c9b8da0855fdeb ppc/9.1/RPMS/kernel-2.4.21.0.25mdk-1-1mdk.ppc.rpm
b402ff80467c57470eff93b59e929045 ppc/9.1/RPMS/kernel-doc-2.4.21-0.25mdk.ppc.rpm
bbf10a690a4ad709b20aed72efd59319 ppc/9.1/RPMS/kernel-enterprise-2.4.21.0.25mdk-1-1mdk.ppc.rpm
8f55bcf38b775c0ddfb3d6c2e9f8bcae ppc/9.1/RPMS/kernel-smp-2.4.21.0.25mdk-1-1mdk.ppc.rpm
770db5f9460490b2ad47ea2863be1c38 ppc/9.1/RPMS/kernel-source-2.4.21-0.25mdk.ppc.rpm
ecb903bcd0dd169eeb53f534638b7cd7 ppc/9.1/SRPMS/kernel-2.4.21.0.25mdk-1-1mdk.src.rpm
________________________________________________________________________
Bug IDs fixed (see https://qa.mandrakesoft.com for more information):
3615 - no acls in XFS
4059 - xconfig aborts with an error
4060 - xconfig unable to disable certain options
________________________________________________________________________
To upgrade automatically, use MandrakeUpdate or urpmi. The verification
of md5 checksums and GPG signatures is performed automatically for you.
A list of FTP mirrors can be obtained from:
http://www.mandrakesecure.net/en/ftp.php
All packages are signed by MandrakeSoft for security. You can obtain
the GPG public key of the Mandrake Linux Security Team by executing:
gpg --recv-keys --keyserver www.mandrakesecure.net 0x22458A98
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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