-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ______________________________________________________________________________ SUSE Security Announcement Package: kernel Announcement ID: SUSE-SA:2008:056 Date: Wed, 03 Dec 2008 09:00:00 +0000 Affected Products: SUSE Linux Enterprise Desktop 10 SP1 SUSE Linux Enterprise 10 SP1 DEBUGINFO SLE SDK 10 SP1 SUSE Linux Enterprise Server 10 SP1 Vulnerability Type: denial of service Severity (1-10): 6 SUSE Default Package: yes Cross-References: CVE-2007-6716, CVE-2008-3528, CVE-2008-4210 Content of This Advisory: 1) Security Vulnerability Resolved: 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 patch updates the SUSE Linux Enterprise 10 SP1 kernel. It fixes various bugs and security issues. The released version is 2.6.16.54-0.2.12. Following security issues are addressed: CVE-2008-4210: fs/open.c in the Linux kernel before 2.6.22 does not properly strip setuid and setgid bits when there is a write to a file, which allows local users to gain the privileges of a different group, and obtain sensitive information or possibly have unspecified other impact, by creating an executable file in a setgid directory through the (1) truncate or (2) ftruncate function in conjunction with memory-mapped I/O. CVE-2008-3528: The ext[234] filesystem code fails to properly handle corrupted data structures. With a mounted filesystem image or partition that have corrupted dir->i_size and dir->i_blocks, a user performing either a read or write operation on the mounted image or partition can lead to a possible denial of service by spamming the logfile. CVE-2007-6716: fs/direct-io.c in the dio subsystem in the Linux kernel did not properly zero out the dio struct, which allows local users to cause a denial of service (OOPS), as demonstrated by a certain fio test. All other bugfixes can be found by looking at the RPM changelog. 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. Our maintenance customers are notified individually. The packages are offered for installation from the maintenance web: SUSE Linux Enterprise 10 SP1 DEBUGINFO for IPF http://download.novell.com/index.jsp?search=Search&keywords=c64c3127a749eb3bf1d187c390d83ddd SUSE Linux Enterprise Desktop 10 SP1 for AMD64 and Intel EM64T http://download.novell.com/index.jsp?search=Search&keywords=071cab5872c061a4f28b18d8d26bc30f SUSE Linux Enterprise 10 SP1 DEBUGINFO for IBM zSeries 64bit http://download.novell.com/index.jsp?search=Search&keywords=294774a255d9ec5370214470848ee464 SUSE Linux Enterprise 10 SP1 DEBUGINFO for IBM POWER http://download.novell.com/index.jsp?search=Search&keywords=6726b0f3137eb3e824427c6f7939d505 SUSE Linux Enterprise Server 10 SP1 http://download.novell.com/index.jsp?search=Search&keywords=c64c3127a749eb3bf1d187c390d83ddd http://download.novell.com/index.jsp?search=Search&keywords=071cab5872c061a4f28b18d8d26bc30f http://download.novell.com/index.jsp?search=Search&keywords=294774a255d9ec5370214470848ee464 http://download.novell.com/index.jsp?search=Search&keywords=6726b0f3137eb3e824427c6f7939d505 http://download.novell.com/index.jsp?search=Search&keywords=6563e0fef0e3aaea9817bd1066fc41ed SLE SDK 10 SP1 http://download.novell.com/index.jsp?search=Search&keywords=c64c3127a749eb3bf1d187c390d83ddd http://download.novell.com/index.jsp?search=Search&keywords=071cab5872c061a4f28b18d8d26bc30f http://download.novell.com/index.jsp?search=Search&keywords=6726b0f3137eb3e824427c6f7939d505 http://download.novell.com/index.jsp?search=Search&keywords=6563e0fef0e3aaea9817bd1066fc41ed SUSE Linux Enterprise 10 SP1 DEBUGINFO http://download.novell.com/index.jsp?search=Search&keywords=c64c3127a749eb3bf1d187c390d83ddd http://download.novell.com/index.jsp?search=Search&keywords=071cab5872c061a4f28b18d8d26bc30f http://download.novell.com/index.jsp?search=Search&keywords=6726b0f3137eb3e824427c6f7939d505 http://download.novell.com/index.jsp?search=Search&keywords=6563e0fef0e3aaea9817bd1066fc41ed SUSE Linux Enterprise Desktop 10 SP1 http://download.novell.com/index.jsp?search=Search&keywords=071cab5872c061a4f28b18d8d26bc30f http://download.novell.com/index.jsp?search=Search&keywords=6563e0fef0e3aaea9817bd1066fc41ed SUSE Linux Enterprise Desktop 10 SP1 for x86 http://download.novell.com/index.jsp?search=Search&keywords=6563e0fef0e3aaea9817bd1066fc41ed ______________________________________________________________________________ 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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