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______________________________________________________________________________
SUSE Security Announcement
Package: kernel
Announcement ID: SUSE-SA:2010:010
Date: Mon, 08 Feb 2010 16:00:00 +0000
Affected Products: openSUSE 11.2
Vulnerability Type: remote denial of service
CVSS v2 Base Score: 6.8 (AV:A/AC:L/Au:N/C:N/I:P/A:C)
SUSE Default Package: yes
Cross-References: CVE-2009-3939, CVE-2009-4141, CVE-2009-4536
CVE-2009-4538, CVE-2010-0003, CVE-2010-0006
CVE-2010-0007, CVE-2010-0299
Content of This Advisory:
1) Security Vulnerability Resolved:
Linux kernel security update
Problem Description
2) Solution or Work-Around
3) Special Instructions and Notes
4) Package Location and Checksums
5) Pending Vulnerabilities, Solutions, and Work-Arounds:
See SUSE Security Summary Report.
6) Authenticity Verification and Additional Information
______________________________________________________________________________
1) Problem Description and Brief Discussion
This update of the openSUSE 11.2 kernel brings the kernel to version
2.6.31.12 and contains a lot of bug and security fixes.
CVE-2010-0299: The permission of the devtmpfs root directory
was incorrectly 1777 (instead of 755). If it was used, local
attackers could escalate privileges.
(openSUSE 11.2 does not use this filesystem by default).
CVE-2009-3939: The poll_mode_io file for the megaraid_sas driver in
the Linux kernel 2.6.31.6 and earlier has world-writable permissions,
which allows local users to change the I/O mode of the driver by
modifying this file.
CVE-2010-0007: ebtables was lacking a CAP_NET_ADMIN check, making
it possible for local unprivileged attackers to modify the network
bridge management.
CVE-2010-0003: An information leakage on fatal signals on x86_64
machines was fixed.
CVE-2009-4141: A race condition in fasync handling could be used by
local attackers to crash the machine or potentially execute code.
CVE-2010-0006: The ipv6_hop_jumbo function in net/ipv6/exthdrs.c in
the Linux kernel before 2.6.32.4, when network namespaces are enabled,
allows remote attackers to cause a denial of service (NULL pointer
dereference) via an invalid IPv6 jumbogram.
CVE-2009-4536: drivers/net/e1000/e1000_main.c in the e1000 driver in
the Linux kernel 2.6.32.3 and earlier handles Ethernet frames that
exceed the MTU by processing certain trailing payload data as if it
were a complete frame, which allows remote attackers to bypass packet
filters via a large packet with a crafted payload.
CVE-2009-4538: drivers/net/e1000e/netdev.c in the e1000e driver in
the Linux kernel 2.6.32.3 and earlier does not properly check the
size of an Ethernet frame that exceeds the MTU, which allows remote
attackers to have an unspecified impact via crafted packets.
2) Solution or Work-Around
There is no known workaround, please install the update packages.
3) Special Instructions and Notes
Please reboot the machine after installing the update.
4) Package Location and Checksums
The preferred method for installing security updates is to use the YaST
Online Update (YOU) tool. YOU detects which updates are required and
automatically performs the necessary steps to verify and install them.
Alternatively, download the update packages for your distribution manually
and verify their integrity by the methods listed in Section 6 of this
announcement. Then install the packages using the command
rpm -Fhv <file.rpm>
to apply the update, replacing <file.rpm> with the filename of the
downloaded RPM package.
x86 Platform:
openSUSE 11.2:
kernel-debug-debuginfo-2.6.31.12-0.1.1.i586.rpm
kernel-debug-debugsource-2.6.31.12-0.1.1.i586.rpm
kernel-debug-devel-debuginfo-2.6.31.12-0.1.1.i586.rpm
kernel-default-debuginfo-2.6.31.12-0.1.1.i586.rpm
kernel-default-debugsource-2.6.31.12-0.1.1.i586.rpm
kernel-default-devel-debuginfo-2.6.31.12-0.1.1.i586.rpm
kernel-desktop-base-debuginfo-2.6.31.12-0.1.1.i586.rpm
kernel-desktop-debuginfo-2.6.31.12-0.1.1.i586.rpm
kernel-desktop-debugsource-2.6.31.12-0.1.1.i586.rpm
kernel-pae-debuginfo-2.6.31.12-0.1.1.i586.rpm
kernel-pae-debugsource-2.6.31.12-0.1.1.i586.rpm
kernel-pae-devel-debuginfo-2.6.31.12-0.1.1.i586.rpm
kernel-trace-base-debuginfo-2.6.31.12-0.1.1.i586.rpm
kernel-trace-debuginfo-2.6.31.12-0.1.1.i586.rpm
kernel-trace-debugsource-2.6.31.12-0.1.1.i586.rpm
kernel-vanilla-base-debuginfo-2.6.31.12-0.1.1.i586.rpm
kernel-vanilla-debuginfo-2.6.31.12-0.1.1.i586.rpm
kernel-vanilla-debugsource-2.6.31.12-0.1.1.i586.rpm
kernel-xen-debuginfo-2.6.31.12-0.1.1.i586.rpm
kernel-xen-debugsource-2.6.31.12-0.1.1.i586.rpm
kernel-xen-devel-debuginfo-2.6.31.12-0.1.1.i586.rpm
kernel-debug-2.6.31.12-0.1.1.i586.rpm
kernel-debug-base-2.6.31.12-0.1.1.i586.rpm
kernel-debug-devel-2.6.31.12-0.1.1.i586.rpm
kernel-default-2.6.31.12-0.1.1.i586.rpm
kernel-default-base-2.6.31.12-0.1.1.i586.rpm
kernel-default-devel-2.6.31.12-0.1.1.i586.rpm
kernel-desktop-2.6.31.12-0.1.1.i586.rpm
kernel-desktop-base-2.6.31.12-0.1.1.i586.rpm
kernel-desktop-devel-2.6.31.12-0.1.1.i586.rpm
kernel-pae-2.6.31.12-0.1.1.i586.rpm
kernel-pae-base-2.6.31.12-0.1.1.i586.rpm
kernel-pae-devel-2.6.31.12-0.1.1.i586.rpm
kernel-syms-2.6.31.12-0.1.1.i586.rpm
kernel-trace-2.6.31.12-0.1.1.i586.rpm
kernel-trace-base-2.6.31.12-0.1.1.i586.rpm
kernel-trace-devel-2.6.31.12-0.1.1.i586.rpm
kernel-vanilla-2.6.31.12-0.1.1.i586.rpm
kernel-vanilla-base-2.6.31.12-0.1.1.i586.rpm
kernel-vanilla-devel-2.6.31.12-0.1.1.i586.rpm
kernel-xen-2.6.31.12-0.1.1.i586.rpm
kernel-xen-base-2.6.31.12-0.1.1.i586.rpm
kernel-xen-devel-2.6.31.12-0.1.1.i586.rpm
preload-kmp-default-1.1_2.6.31.12_0.1-6.9.12.i586.rpm
preload-kmp-desktop-1.1_2.6.31.12_0.1-6.9.12.i586.rpm
Platform Independent:
openSUSE 11.2:
kernel-source-2.6.31.12-0.1.1.noarch.rpm
kernel-source-vanilla-2.6.31.12-0.1.1.noarch.rpm
x86-64 Platform:
openSUSE 11.2:
kernel-debug-debuginfo-2.6.31.12-0.1.1.x86_64.rpm
kernel-debug-debugsource-2.6.31.12-0.1.1.x86_64.rpm
kernel-debug-devel-debuginfo-2.6.31.12-0.1.1.x86_64.rpm
kernel-default-debuginfo-2.6.31.12-0.1.1.x86_64.rpm
kernel-default-debugsource-2.6.31.12-0.1.1.x86_64.rpm
kernel-default-devel-debuginfo-2.6.31.12-0.1.1.x86_64.rpm
kernel-desktop-base-debuginfo-2.6.31.12-0.1.1.x86_64.rpm
kernel-desktop-debuginfo-2.6.31.12-0.1.1.x86_64.rpm
kernel-desktop-debugsource-2.6.31.12-0.1.1.x86_64.rpm
kernel-trace-base-debuginfo-2.6.31.12-0.1.1.x86_64.rpm
kernel-trace-debuginfo-2.6.31.12-0.1.1.x86_64.rpm
kernel-trace-debugsource-2.6.31.12-0.1.1.x86_64.rpm
kernel-vanilla-base-debuginfo-2.6.31.12-0.1.1.x86_64.rpm
kernel-vanilla-debuginfo-2.6.31.12-0.1.1.x86_64.rpm
kernel-vanilla-debugsource-2.6.31.12-0.1.1.x86_64.rpm
kernel-xen-debuginfo-2.6.31.12-0.1.1.x86_64.rpm
kernel-xen-debugsource-2.6.31.12-0.1.1.x86_64.rpm
kernel-xen-devel-debuginfo-2.6.31.12-0.1.1.x86_64.rpm
kernel-debug-2.6.31.12-0.1.1.x86_64.rpm
kernel-debug-base-2.6.31.12-0.1.1.x86_64.rpm
kernel-debug-devel-2.6.31.12-0.1.1.x86_64.rpm
kernel-default-2.6.31.12-0.1.1.x86_64.rpm
kernel-default-base-2.6.31.12-0.1.1.x86_64.rpm
kernel-default-devel-2.6.31.12-0.1.1.x86_64.rpm
kernel-desktop-2.6.31.12-0.1.1.x86_64.rpm
kernel-desktop-base-2.6.31.12-0.1.1.x86_64.rpm
kernel-desktop-devel-2.6.31.12-0.1.1.x86_64.rpm
kernel-syms-2.6.31.12-0.1.1.x86_64.rpm
kernel-trace-2.6.31.12-0.1.1.x86_64.rpm
kernel-trace-base-2.6.31.12-0.1.1.x86_64.rpm
kernel-trace-devel-2.6.31.12-0.1.1.x86_64.rpm
kernel-vanilla-2.6.31.12-0.1.1.x86_64.rpm
kernel-vanilla-base-2.6.31.12-0.1.1.x86_64.rpm
kernel-vanilla-devel-2.6.31.12-0.1.1.x86_64.rpm
kernel-xen-2.6.31.12-0.1.1.x86_64.rpm
kernel-xen-base-2.6.31.12-0.1.1.x86_64.rpm
kernel-xen-devel-2.6.31.12-0.1.1.x86_64.rpm
preload-kmp-default-1.1_2.6.31.12_0.1-6.9.12.x86_64.rpm
preload-kmp-desktop-1.1_2.6.31.12_0.1-6.9.12.x86_64.rpm
Sources:
openSUSE 11.2:
kernel-debug-2.6.31.12-0.1.1.nosrc.rpm
kernel-default-2.6.31.12-0.1.1.nosrc.rpm
kernel-desktop-2.6.31.12-0.1.1.nosrc.rpm
kernel-pae-2.6.31.12-0.1.1.nosrc.rpm
kernel-source-2.6.31.12-0.1.1.src.rpm
kernel-syms-2.6.31.12-0.1.1.src.rpm
kernel-trace-2.6.31.12-0.1.1.nosrc.rpm
kernel-vanilla-2.6.31.12-0.1.1.nosrc.rpm
kernel-xen-2.6.31.12-0.1.1.nosrc.rpm
______________________________________________________________________________
5) Pending Vulnerabilities, Solutions, and Work-Arounds:
See SUSE Security Summary Report.
______________________________________________________________________________
6) Authenticity Verification and Additional Information
- Announcement authenticity verification:
SUSE security announcements are published via mailing lists and on Web
sites. The authenticity and integrity of a SUSE security announcement is
guaranteed by a cryptographic signature in each announcement. All SUSE
security announcements are published with a valid signature.
To verify the signature of the announcement, save it as text into a file
and run the command
gpg --verify <file>
replacing <file> with the name of the file where you saved the
announcement. The output for a valid signature looks like:
gpg: Signature made <DATE> using RSA key ID 3D25D3D9
gpg: Good signature from "SuSE Security Team
<security@suse.de>"
where <DATE> is replaced by the date the document was signed.
If the security team's key is not contained in your key ring, you can
import it from the first installation CD. To import the key, use the
command
gpg --import gpg-pubkey-3d25d3d9-36e12d04.asc
- Package authenticity verification:
SUSE update packages are available on many mirror FTP servers all over the
world. While this service is considered valuable and important to the free
and open source software community, the authenticity and the integrity of
a package needs to be verified to ensure that it has not been tampered
with.
The internal rpm package signatures provide an easy way to verify the
authenticity of an RPM package. Use the command
rpm -v --checksig <file.rpm>
to verify the signature of the package, replacing <file.rpm> with the
filename of the RPM package downloaded. The package is unmodified if it
contains a valid signature from build@suse.de with the key ID 9C800ACA.
This key is automatically imported into the RPM database (on
RPMv4-based distributions) and the gpg key ring of 'root' during
installation. You can also find it on the first installation CD and at
the end of this announcement.
- SUSE runs two security mailing lists to which any interested party may
subscribe:
opensuse-security@opensuse.org
- General Linux and SUSE security discussion.
All SUSE security announcements are sent to this list.
To subscribe, send an e-mail to
<opensuse-security+subscribe@opensuse.org>.
opensuse-security-announce@opensuse.org
- SUSE's announce-only mailing list.
Only SUSE's security announcements are sent to this list.
To subscribe, send an e-mail to
<opensuse-security-announce+subscribe@opensuse.org>.
=====================================================================
SUSE's security contact is <security@suse.com> or
<security@suse.de>.
The <security@suse.de> public key is listed below.
=====================================================================
______________________________________________________________________________
The information in this advisory may be distributed or reproduced,
provided that the advisory is not modified in any way. In particular, the
clear text signature should show proof of the authenticity of the text.
SUSE Linux Products GmbH provides no warranties of any kind whatsoever
with respect to the information contained in this security advisory.
Type Bits/KeyID Date User ID
pub 2048R/3D25D3D9 1999-03-06 SuSE Security Team <security@suse.de>
pub 1024D/9C800ACA 2000-10-19 SuSE Package Signing Key <build@suse.de>
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