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Home >> Browse Vulnerability Assessment Database >> Mandrake Local Security Checks >> MDKSA-2003:066-2: kernel


Vulnerability Assessment Details

MDKSA-2003:066-2: kernel

Vulnerability Assessment Summary
Check for the version of the kernel package

Detailed Explanation for this Vulnerability Assessment

The remote host is missing the patch for the advisory MDKSA-2003:066-2 (kernel).


Multiple vulnerabilities were discovered and fixed in the Linux kernel.
* CVE-2003-0001: Multiple ethernet network card drivers do not pad frames with
null bytes which permits remote attackers to obtain information from previous
packets or kernel memory by using special malformed packets.
* CVE-2003-0244: The route cache implementation in the 2.4 kernel and the
Netfilter IP conntrack module permits 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.
* CVE-2003-0246: The ioperm implementation in 2.4.20 and earlier kernels does
not properly restrict rights, which permits local users to gain read or write
access to certain I/O ports.
* CVE-2003-0247: A vulnerability in the TTY layer of the 2.4 kernel permits
attackers to cause a kernel oops resulting in a DoS.
* CVE-2003-0248: The mxcsr code in the 2.4 kernel permits attackers to modify CPU
state registers via a malformed address.
* CVE-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.


Solution : http://wwwnew.mandriva.com/security/advisories?name=MDKSA-2003:066-2
Network Security Threat Level: High

Networks Security ID: 6535, 7600, 7601, 7791, 7793

Vulnerability Assessment Copyright: This script is Copyright (C) 2004 Tenable Network Security

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