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______________________________________________________________________________
SUSE Security Announcement
Package: kernel
Announcement ID: SUSE-SA:2007:030
Date: Thu, 10 May 2007 11:00:00 +0000
Affected Products: SUSE LINUX 9.3
Vulnerability Type: remote denial of service
Severity (1-10): 7
SUSE Default Package: yes
Cross-References: CVE-2006-2936, CVE-2006-5749, CVE-2006-5753
CVE-2006-6106, CVE-2007-1357, CVE-2007-1592
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 kernel update for SUSE Linux 9.3 fixes the following security problems:
- CVE-2006-2936: The ftdi_sio driver allowed local users to cause a denial
of service (memory consumption) by writing more data to
the serial port than the hardware can handle, which causes
the data to be queued. This requires this driver to be
loaded, which only happens if such a device is plugged
in.
- CVE-2006-6106: Multiple buffer overflows in the cmtp_recv_interopmsg
function in the Bluetooth driver
(net/bluetooth/cmtp/capi.c) in the Linux kernel allowed
remote attackers to cause a denial of service (crash) and
possibly execute arbitrary code via CAPI messages with a
large value for the length of the (1) manu (manufacturer)
or (2) serial (serial number) field.
- CVE-2006-5749: The isdn_ppp_ccp_reset_alloc_state function in
drivers/isdn/isdn_ppp.c in the Linux kernel does not
call the init_timer function for the ISDN PPP CCP
reset state timer, which has unknown attack vectors
and results in a system crash.
- CVE-2006-5753: Unspecified vulnerability in the listxattr system call in
Linux kernel, when a "bad inode" is present, allows local
users to cause a denial of service (data corruption)
and possibly gain privileges.
- CVE-2007-1357: A denial of service problem against the AppleTalk
protocol was fixed. A remote attacker in the same
AppleTalk network segment could cause the machine to
crash if it has AppleTalk protocol loaded.
- CVE-2007-1592: A local user could affect a double-free of a ipv6
structure potentially causing a local denial of
service attack.
and the following non security bugs:
- patches.suse/dynamic-timeslice:
Updated to prevent an overflow leading to an oops when
max_timeslice is set too high. [#222334]
- patches.fixes/xfs-kern-28000a-buffer-unwritten-new:
Set the buffer new flag on writes to unwritten XFS extents.
This fixes a corruption in preallocated files on XFS [#237843]
This is also the final SUSE Linux 9.3 kernel update.
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:
SUSE LINUX 9.3:
ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/i586/Intel-536ep-4.69-10.10.i586.rpm
fdef0ae9ea3862c4e00f6994360872b8
ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/i586/kernel-bigsmp-2.6.11.4-21.17.i586.rpm
05597adee5633418de222195a7c40d44
ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/i586/kernel-bigsmp-nongpl-2.6.11.4-21.17.i586.rpm
b636aa46448deece58538f8c1d3c5c4f
ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/i586/kernel-default-2.6.11.4-21.17.i586.rpm
3014be6caa536a7016ecff4ae44eeda7
ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/i586/kernel-default-nongpl-2.6.11.4-21.17.i586.rpm
860d232b71d75a7007f61fc77b032e66
ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/i586/kernel-smp-2.6.11.4-21.17.i586.rpm
54b07696cf8cb4f1d7d1b151739ee8b2
ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/i586/kernel-smp-nongpl-2.6.11.4-21.17.i586.rpm
fa0e06f232d995a545be05118fc39609
ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/i586/kernel-source-2.6.11.4-21.17.i586.rpm
af55f08914f29161bf614ca697dd5ff2
ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/i586/kernel-syms-2.6.11.4-21.17.i586.rpm
fe767d1307cafe1c2baf2f03eefb05f2
ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/i586/kernel-um-2.6.11.4-21.17.i586.rpm
675dd328bd37afc957b2d73472b92087
ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/i586/kernel-um-nongpl-2.6.11.4-21.17.i586.rpm
8764dc69a3822dce8dd20f01a8c3e580
ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/i586/kernel-xen-2.6.11.4-21.17.i586.rpm
edb465f61c4ddf94b57877e6b9cfa798
ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/i586/kernel-xen-nongpl-2.6.11.4-21.17.i586.rpm
7c719e3764ec9e958a99843ff93b750a
ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/i586/ltmodem-8.31a10-7.10.i586.rpm
eade8681bd82bc76fbfa7a12bf5ee266
ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/i586/um-host-install-initrd-1.0-50.11.i586.rpm
851e597bcb8a238a26c1b27d76683132
ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/i586/um-host-kernel-2.6.11.4-21.17.i586.rpm
a4b8d7eb58d5441ebfca5a8d483dc4e6
Platform Independent:
SUSE LINUX 9.3:
ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/noarch/kernel-docs-2.6.11.4-21.17.noarch.rpm
8b3a50ba429e5a51ce78134fef94abf6
x86-64 Platform:
SUSE LINUX 9.3:
ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/x86_64/kernel-default-2.6.11.4-21.17.x86_64.rpm
bf3d35dc8e67699723cb745f4e68007b
ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/x86_64/kernel-default-nongpl-2.6.11.4-21.17.x86_64.rpm
fb2467dfb4090fb75d17b41007a39f02
ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/x86_64/kernel-smp-2.6.11.4-21.17.x86_64.rpm
2ecc43230b3a8c7f73a884d3a6262b23
ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/x86_64/kernel-smp-nongpl-2.6.11.4-21.17.x86_64.rpm
d494ce918294e9b24bdbcd1975931cd8
ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/x86_64/kernel-source-2.6.11.4-21.17.x86_64.rpm
bb7f69f9b81c5875fbebfccdb57c62af
ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/x86_64/kernel-syms-2.6.11.4-21.17.x86_64.rpm
3430571de7938b942cd3d2ea9bc01482
Sources:
SUSE LINUX 9.3:
ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/src/Intel-536ep-4.69-10.10.src.rpm
e99717e4aee96f92ce0091c5757b96e7
ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/src/kernel-bigsmp-2.6.11.4-21.17.nosrc.rpm
5c69f6f12b62308a60ed8d9e176f89b5
ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/src/kernel-default-2.6.11.4-21.17.nosrc.rpm
15b26cd8982d957b97fa4a42dbea6bb7
ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/src/kernel-docs-2.6.11.4-21.17.src.rpm
118a3feff96d107ad250d038cbfb757f
ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/src/kernel-smp-2.6.11.4-21.17.nosrc.rpm
ddd99e90d4941ffeb9e58f47399111f4
ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/src/kernel-source-2.6.11.4-21.17.src.rpm
a036fc6a08f2e05ef8a74731d56b59dd
ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/src/kernel-syms-2.6.11.4-21.17.src.rpm
e2478089fd67694eedae37de1d65e673
ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/src/kernel-um-2.6.11.4-21.17.nosrc.rpm
94e5039b8458613c0a6129ea9e2cf747
ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/src/kernel-xen-2.6.11.4-21.17.nosrc.rpm
80b94b463592a6e2d6bbd87dd0a22548
ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/src/ltmodem-8.31a10-7.10.src.rpm
cddb366a8ae7195309671d545ca1c644
ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/src/um-host-install-initrd-1.0-50.11.src.rpm
7a5d67be8e978660bb79f2b5eb61de33
______________________________________________________________________________
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.
There are two verification methods that can be used independently from
each other to prove the authenticity of a downloaded file or RPM package:
1) Using the internal gpg signatures of the rpm package
2) MD5 checksums as provided in this announcement
1) 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.
2) If you need an alternative means of verification, use the md5sum
command to verify the authenticity of the packages. Execute the command
md5sum
after you downloaded the file from a SUSE FTP server or its mirrors.
Then compare the resulting md5sum with the one that is listed in the
SUSE security announcement. Because the announcement containing the
checksums is cryptographically signed (by security@suse.de), the
checksums show proof of the authenticity of the package if the
signature of the announcement is valid. Note that the md5 sums
published in the SUSE Security Announcements are valid for the
respective packages only. Newer versions of these packages cannot be
verified.
- 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
.
suse-security-announce@suse.com
- 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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Marcus Meissner