-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ______________________________________________________________________________ SUSE Security Announcement Package: kernel Announcement ID: SUSE-SA:2010:045 Date: Thu, 23 Sep 2010 15:00:00 +0000 Affected Products: SUSE Linux Enterprise High Availability Extension 11 SP1 SUSE Linux Enterprise Desktop 11 SP1 SUSE Linux Enterprise Server 11 SP1 Vulnerability Type: local privilege escalation CVSS v2 Base Score: 7.2 (AV:L/AC:L/Au:N/C:C/I:C/A:C) SUSE Default Package: yes Cross-References: CVE-2010-2955, CVE-2010-3081, CVE-2010-3084 CVE-2010-3301 Content of This Advisory: 1) Security Vulnerability Resolved: Linux kernel security problem 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 SUSE Linux Enterprise Server 11 SP1 kernel fixes various critical security bugs. Following security bugs were fixed: CVE-2010-3301: Mismatch between 32bit and 64bit register usage in the system call entry path could be used by local attackers to gain root privileges. This problem only affects x86_64 kernels. CVE-2010-3081: Incorrect buffer handling in the biarch-compat buffer handling could be used by local attackers to gain root privileges. This problem affects foremost x86_64 kernels and potentially other biarch platforms, like PowerPC and S390x. CVE-2010-3084: A buffer overflow in the ETHTOOL_GRXCLSRLALL code could be used to crash the kernel or potentially execute code. CVE-2010-2955: A kernel information leak via the WEXT ioctl was fixed. Additionally a non-security bug regarding data corruption bug in s390 was fixed: A race condition between /proc/pid/stat and fork in the S390 kernel would lead to data corruption. No other bugs were fixed in this update. The SUSE Linux Enterprise 11 SP 1 kernel was already updated previously to fix the CVE-2010-2959 security issue. 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: SLE 11 SERVER Unsupported Extras http://download.novell.com/patch/finder/?keywords=ae91f83e3e59f75b910832157c... http://download.novell.com/patch/finder/?keywords=3a5e6e54c1f6ee9d2470896eb7... http://download.novell.com/patch/finder/?keywords=dd2f02a63d085823e5de47f09a... http://download.novell.com/patch/finder/?keywords=ccfd32cfe578d1e7b1086c7ac5... http://download.novell.com/patch/finder/?keywords=074c40ef0c1c3387a0a9823c8c... SUSE Linux Enterprise Server 11 SP1 http://download.novell.com/patch/finder/?keywords=e3a70946dce5e9e1b1288c5039... http://download.novell.com/patch/finder/?keywords=ac1a621e10ddcf3b61b268fe8c... http://download.novell.com/patch/finder/?keywords=98a3967afd5a9038f6414265e6... http://download.novell.com/patch/finder/?keywords=421f9d6f4a3a600663a17b502d... http://download.novell.com/patch/finder/?keywords=43635d2ef5db017de2e87f6c75... SUSE Linux Enterprise Desktop 11 SP1 http://download.novell.com/patch/finder/?keywords=e3a70946dce5e9e1b1288c5039... http://download.novell.com/patch/finder/?keywords=43635d2ef5db017de2e87f6c75... SUSE Linux Enterprise High Availability Extension 11 SP1 http://download.novell.com/patch/finder/?keywords=e3a70946dce5e9e1b1288c5039... http://download.novell.com/patch/finder/?keywords=ac1a621e10ddcf3b61b268fe8c... http://download.novell.com/patch/finder/?keywords=98a3967afd5a9038f6414265e6... http://download.novell.com/patch/finder/?keywords=421f9d6f4a3a600663a17b502d... http://download.novell.com/patch/finder/?keywords=43635d2ef5db017de2e87f6c75... ______________________________________________________________________________ 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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