-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ______________________________________________________________________________ SUSE Security Announcement Package: kernel Announcement ID: SUSE-SA:2008:031 Date: Wed, 02 Jul 2008 15:00:00 +0000 Affected Products: SUSE SLES 9 Novell Linux Desktop 9 Novell Linux POS 9 Vulnerability Type: remote denial of service Severity (1-10): 9 SUSE Default Package: yes Cross-References: CVE-2007-6282, CVE-2008-1367, CVE-2008-1375 CVE-2008-1615 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 fixes the following security problems: CVE-2007-6282: A remote attacker could crash the IPSec/IPv6 stack by sending a bad ESP packet. This requires the host to be able to receive such packets (default filtered by the firewall). CVE-2008-1615: On x86_64 systems a denial of service attack could be used by local attackers to immediately panic / crash the machine. CVE-2008-1375: Fixed a dnotify race condition, which could be used by local attackers to potentially execute code. CVE-2008-1367: Clear the "direction" flag before calling signal handlers. For specific not yet identified programs under specific timing conditions this could potentially have caused memory corruption or code execution. Other changes and improvements include: - OCFS2 updated to 1.2.9 - Significant bug fixes. More details are available in the RPM changelog. 2) Solution or Work-Around There is no known workaround, please install the update packages. 3) Special Instructions and Notes You need to reboot the machine after installing this 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. Our maintenance customers are notified individually. The packages are offered for installation from the maintenance web: Novell Linux Desktop 9 for x86_64 http://download.novell.com/Download?buildid=4Ye2fNZ9fYY~ Novell Linux POS 9 http://download.novell.com/Download?buildid=BKgGfKKLd3E~ SUSE CORE 9 for x86 http://download.novell.com/Download?buildid=27kCZ1qWwWo~ SUSE CORE 9 for AMD64 and Intel EM64T http://download.novell.com/Download?buildid=6iTPcvtIY3w~ SUSE CORE 9 for IBM zSeries 64bit http://download.novell.com/Download?buildid=fnYeUmaJv2E~ SUSE CORE 9 for IBM S/390 31bit http://download.novell.com/Download?buildid=0tz-fdcdzgQ~ SUSE CORE 9 for IBM POWER http://download.novell.com/Download?buildid=eQZcmmRQ7oQ~ SUSE CORE 9 for Itanium Processor Family http://download.novell.com/Download?buildid=XxaBNf2VYTU~ ______________________________________________________________________________ 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. 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