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______________________________________________________________________________
SUSE Security Announcement
Package: kernel
Announcement ID: SUSE-SA:2010:031
Date: Tue, 20 Jul 2010 11:00:00 +0000
Affected Products: openSUSE 11.1
SUSE Linux Enterprise High Availability Extension 11
SUSE Linux Enterprise Desktop 11
SUSE Linux Enterprise Server 11
Vulnerability Type: remote denial of service
CVSS v2 Base Score: 7.8 (AV:N/AC:L/Au:N/C:N/I:N/A:C)
SUSE Default Package: yes
Cross-References: CVE-2009-1389, CVE-2009-4537, CVE-2010-1087
CVE-2010-1162, CVE-2010-1437, CVE-2010-1446
CVE-2010-1641, CVE-2010-1643
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
The SUSE Linux Enterprise 11 GA Kernel was updated to 2.6.27.48 fixing
various bugs and security issues.
CVE-2010-1641: The do_gfs2_set_flags function in fs/gfs2/file.c in the
Linux kernel does not verify the ownership of a file, which allows
local users to bypass intended access restrictions via a SETFLAGS
ioctl request.
CVE-2010-1087: The nfs_wait_on_request function in fs/nfs/pagelist.c in
the Linux kernel allows attackers to cause a denial of service (Oops)
via unknown vectors related to truncating a file and an operation
that is not interruptible.
CVE-2010-1643: mm/shmem.c in the Linux kernel, when strict overcommit
is enabled, does not properly handle the export of shmemfs objects
by knfsd, which allows attackers to cause a denial of service (NULL
pointer dereference and knfsd crash) or possibly have unspecified
other impact via unknown vectors.
CVE-2010-1437: Race condition in the find_keyring_by_name function
in security/keys/keyring.c in the Linux kernel allows local users
to cause a denial of service (memory corruption and system crash)
or possibly have unspecified other impact via keyctl session commands
that trigger access to a dead keyring that is undergoing deletion by
the key_cleanup function.
CVE-2010-1446: arch/1/mm/fsl_booke_mmu.c in KGDB in the Linux kernel,
when running on PowerPC, does not properly perform a security check
for access to a kernel page, which allows local users to overwrite
arbitrary kernel memory, related to Fsl booke.
CVE-2010-1162: The release_one_tty function in drivers/char/tty_io.c in
the Linux kernel omits certain required calls to the put_pid function,
which has unspecified impact and local attack vectors.
CVE-2009-4537: drivers/net/r8169.c in the r8169 driver in the Linux
kernel does not properly check the size of an Ethernet frame that
exceeds the MTU, which allows remote attackers to (1) cause a denial
of service (temporary network outage) via a packet with a crafted size,
in conjunction with certain packets containing A characters and certain
packets containing E characters; or (2) cause a denial of service
(system crash) via a packet with a crafted size, in conjunction with
certain packets containing '0' characters, related to the value of the
status register and erroneous behavior associated with the RxMaxSize
register. NOTE: this vulnerability exists because of an incorrect
fix for CVE-2009-1389. Code execution might be possible.
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
to apply the update, replacing with the filename of the
downloaded RPM package.
x86 Platform:
openSUSE 11.1:
http://download.opensuse.org/update/11.1/rpm/i586/kernel-debug-2.6.27.48-0.1...
http://download.opensuse.org/update/11.1/rpm/i586/kernel-debug-base-2.6.27.4...
http://download.opensuse.org/update/11.1/rpm/i586/kernel-debug-extra-2.6.27....
http://download.opensuse.org/update/11.1/rpm/i586/kernel-default-2.6.27.48-0...
http://download.opensuse.org/update/11.1/rpm/i586/kernel-default-base-2.6.27...
http://download.opensuse.org/update/11.1/rpm/i586/kernel-default-extra-2.6.2...
http://download.opensuse.org/update/11.1/rpm/i586/kernel-pae-2.6.27.48-0.1.1...
http://download.opensuse.org/update/11.1/rpm/i586/kernel-pae-base-2.6.27.48-...
http://download.opensuse.org/update/11.1/rpm/i586/kernel-pae-extra-2.6.27.48...
http://download.opensuse.org/update/11.1/rpm/i586/kernel-source-2.6.27.48-0....
http://download.opensuse.org/update/11.1/rpm/i586/kernel-syms-2.6.27.48-0.1....
http://download.opensuse.org/update/11.1/rpm/i586/kernel-trace-2.6.27.48-0.1...
http://download.opensuse.org/update/11.1/rpm/i586/kernel-trace-base-2.6.27.4...
http://download.opensuse.org/update/11.1/rpm/i586/kernel-trace-extra-2.6.27....
http://download.opensuse.org/update/11.1/rpm/i586/kernel-vanilla-2.6.27.48-0...
http://download.opensuse.org/update/11.1/rpm/i586/kernel-xen-2.6.27.48-0.1.1...
http://download.opensuse.org/update/11.1/rpm/i586/kernel-xen-base-2.6.27.48-...
http://download.opensuse.org/update/11.1/rpm/i586/kernel-xen-extra-2.6.27.48...
Platform Independent:
openSUSE 11.1:
http://download.opensuse.org/update/11.1/rpm/noarch/kernel-docs-2.6.3-3.13.1...
Power PC Platform:
openSUSE 11.1:
http://download.opensuse.org/update/11.1/rpm/ppc/kernel-default-2.6.27.48-0....
http://download.opensuse.org/update/11.1/rpm/ppc/kernel-default-base-2.6.27....
http://download.opensuse.org/update/11.1/rpm/ppc/kernel-default-extra-2.6.27...
http://download.opensuse.org/update/11.1/rpm/ppc/kernel-kdump-2.6.27.48-0.1....
http://download.opensuse.org/update/11.1/rpm/ppc/kernel-ppc64-2.6.27.48-0.1....
http://download.opensuse.org/update/11.1/rpm/ppc/kernel-ppc64-base-2.6.27.48...
http://download.opensuse.org/update/11.1/rpm/ppc/kernel-ppc64-extra-2.6.27.4...
http://download.opensuse.org/update/11.1/rpm/ppc/kernel-ps3-2.6.27.48-0.1.1....
http://download.opensuse.org/update/11.1/rpm/ppc/kernel-source-2.6.27.48-0.1...
http://download.opensuse.org/update/11.1/rpm/ppc/kernel-syms-2.6.27.48-0.1.1...
http://download.opensuse.org/update/11.1/rpm/ppc/kernel-vanilla-2.6.27.48-0....
x86-64 Platform:
openSUSE 11.1:
http://download.opensuse.org/update/11.1/rpm/x86_64/kernel-debug-2.6.27.48-0...
http://download.opensuse.org/update/11.1/rpm/x86_64/kernel-debug-base-2.6.27...
http://download.opensuse.org/update/11.1/rpm/x86_64/kernel-debug-extra-2.6.2...
http://download.opensuse.org/update/11.1/rpm/x86_64/kernel-default-2.6.27.48...
http://download.opensuse.org/update/11.1/rpm/x86_64/kernel-default-base-2.6....
http://download.opensuse.org/update/11.1/rpm/x86_64/kernel-default-extra-2.6...
http://download.opensuse.org/update/11.1/rpm/x86_64/kernel-source-2.6.27.48-...
http://download.opensuse.org/update/11.1/rpm/x86_64/kernel-syms-2.6.27.48-0....
http://download.opensuse.org/update/11.1/rpm/x86_64/kernel-trace-2.6.27.48-0...
http://download.opensuse.org/update/11.1/rpm/x86_64/kernel-trace-base-2.6.27...
http://download.opensuse.org/update/11.1/rpm/x86_64/kernel-trace-extra-2.6.2...
http://download.opensuse.org/update/11.1/rpm/x86_64/kernel-vanilla-2.6.27.48...
http://download.opensuse.org/update/11.1/rpm/x86_64/kernel-xen-2.6.27.48-0.1...
http://download.opensuse.org/update/11.1/rpm/x86_64/kernel-xen-base-2.6.27.4...
http://download.opensuse.org/update/11.1/rpm/x86_64/kernel-xen-extra-2.6.27....
Sources:
openSUSE 11.1:
http://download.opensuse.org/update/11.1/rpm/src/kernel-debug-2.6.27.48-0.1....
http://download.opensuse.org/update/11.1/rpm/src/kernel-default-2.6.27.48-0....
http://download.opensuse.org/update/11.1/rpm/src/kernel-docs-2.6.3-3.13.109....
http://download.opensuse.org/update/11.1/rpm/src/kernel-kdump-2.6.27.48-0.1....
http://download.opensuse.org/update/11.1/rpm/src/kernel-pae-2.6.27.48-0.1.1....
http://download.opensuse.org/update/11.1/rpm/src/kernel-ppc64-2.6.27.48-0.1....
http://download.opensuse.org/update/11.1/rpm/src/kernel-ps3-2.6.27.48-0.1.1....
http://download.opensuse.org/update/11.1/rpm/src/kernel-source-2.6.27.48-0.1...
http://download.opensuse.org/update/11.1/rpm/src/kernel-syms-2.6.27.48-0.1.1...
http://download.opensuse.org/update/11.1/rpm/src/kernel-trace-2.6.27.48-0.1....
http://download.opensuse.org/update/11.1/rpm/src/kernel-vanilla-2.6.27.48-0....
http://download.opensuse.org/update/11.1/rpm/src/kernel-xen-2.6.27.48-0.1.1....
Our maintenance customers are notified individually. The packages are
offered for installation from the maintenance web:
SLE 11 SERVER Unsupported Extras
http://download.novell.com/patch/finder/?keywords=7c255bf89525f242ab9deddcf1...
http://download.novell.com/patch/finder/?keywords=34efb3de15e5405c1817c28702...
http://download.novell.com/patch/finder/?keywords=6a5b519e1125164aefd647adb3...
http://download.novell.com/patch/finder/?keywords=3c314aa8e3d1c4878e06108d76...
http://download.novell.com/patch/finder/?keywords=1a1e84bdf877ca5c38ecac3616...
SUSE Linux Enterprise Server 11
http://download.novell.com/patch/finder/?keywords=c8a29eec659b0b2b3e85c610b6...
http://download.novell.com/patch/finder/?keywords=f73f22d4b713e9a7674cc8c4ee...
http://download.novell.com/patch/finder/?keywords=2959a2080579b86be5f71889c2...
http://download.novell.com/patch/finder/?keywords=99ed0d9e003dfe8866db7105d4...
http://download.novell.com/patch/finder/?keywords=66504af0afe753b5175112b44b...
SUSE Linux Enterprise Desktop 11
http://download.novell.com/patch/finder/?keywords=c8a29eec659b0b2b3e85c610b6...
http://download.novell.com/patch/finder/?keywords=66504af0afe753b5175112b44b...
SUSE Linux Enterprise High Availability Extension 11
http://download.novell.com/patch/finder/?keywords=c8a29eec659b0b2b3e85c610b6...
http://download.novell.com/patch/finder/?keywords=f73f22d4b713e9a7674cc8c4ee...
http://download.novell.com/patch/finder/?keywords=2959a2080579b86be5f71889c2...
http://download.novell.com/patch/finder/?keywords=99ed0d9e003dfe8866db7105d4...
http://download.novell.com/patch/finder/?keywords=66504af0afe753b5175112b44b...
______________________________________________________________________________
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 "
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
to verify the signature of the package, replacing 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-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
.
=====================================================================
SUSE's security contact is or .
The 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
pub 1024D/9C800ACA 2000-10-19 SuSE Package Signing Key
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