-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ______________________________________________________________________________ SUSE Security Announcement Package: kernel Announcement ID: SUSE-SA:2009:055 Date: Thu, 12 Nov 2009 19:00:00 +0000 Affected Products: SLE SDK 10 SP3 SUSE Linux Enterprise Desktop 10 SP3 SUSE Linux Enterprise 10 SP3 DEBUGINFO SUSE Linux Enterprise Server 10 SP3 Vulnerability Type: local privilege escalation Severity (1-10): 7 SUSE Default Package: yes Cross-References: CVE-2009-1192, CVE-2009-2909, CVE-2009-2910, CVE-2009-3238, CVE-2009-3547 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: Pending updates for the CVE-2009-3547 issue 6) Authenticity Verification and Additional Information ______________________________________________________________________________ 1) Problem Description and Brief Discussion This update fixes various bugs and some security issues in the SUSE Linux Enterprise 10 SP 3 kernel. Following security issues were fixed: CVE-2009-3547: A race condition during pipe open could be used by local attackers to elevate privileges. CVE-2009-3238: The get_random_int function in drivers/char/random.c in the Linux kernel produces insufficiently random numbers, which allows attackers to predict the return value, and possibly defeat protection mechanisms based on randomization, via vectors that leverage the functions tendency to return the same value over and over again for long stretches of time. CVE-2009-1192: The (1) agp_generic_alloc_page and (2) agp_generic_alloc_pages functions in drivers/char/agp/generic.c in the agp subsystem in the Linux kernel do not zero out pages that may later be available to a user-space process, which allows local users to obtain sensitive information by reading these pages. CVE-2009-2909: Unsigned check in the ax25 socket handler could allow local attackers to potentially crash the kernel or even execute code. CVE-2009-2910: On x86_64 systems a information leak of high register contents (upper 32bit) was fixed. 2) Solution or Work-Around There is no known workaround, please install the update packages. 3) Special Instructions and Notes 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 Desktop 10 SP3 for AMD64 and Intel EM64T http://download.novell.com/index.jsp?search=Search&set_restricted=true&keywords=ddf0cfe0200a78301be8b1d7b78fb645 SUSE Linux Enterprise 10 SP3 DEBUGINFO for IBM zSeries 64bit http://download.novell.com/index.jsp?search=Search&set_restricted=true&keywords=b7e0a3a4762fed8e2796b6c6a47318da SUSE Linux Enterprise 10 SP3 DEBUGINFO for IBM POWER http://download.novell.com/index.jsp?search=Search&set_restricted=true&keywords=2cf3d40457c9435953c26b8e74c24432 SUSE Linux Enterprise 10 SP3 DEBUGINFO for IPF http://download.novell.com/index.jsp?search=Search&set_restricted=true&keywords=5fb2b55e46097825cba505848cb839cb SUSE Linux Enterprise Server 10 SP3 http://download.novell.com/index.jsp?search=Search&set_restricted=true&keywords=ddf0cfe0200a78301be8b1d7b78fb645 http://download.novell.com/index.jsp?search=Search&set_restricted=true&keywords=b7e0a3a4762fed8e2796b6c6a47318da http://download.novell.com/index.jsp?search=Search&set_restricted=true&keywords=2cf3d40457c9435953c26b8e74c24432 http://download.novell.com/index.jsp?search=Search&set_restricted=true&keywords=5fb2b55e46097825cba505848cb839cb http://download.novell.com/index.jsp?search=Search&set_restricted=true&keywords=4d39ec6d8748e038ab04a0b27f7382a1 SLE SDK 10 SP3 http://download.novell.com/index.jsp?search=Search&set_restricted=true&keywords=ddf0cfe0200a78301be8b1d7b78fb645 http://download.novell.com/index.jsp?search=Search&set_restricted=true&keywords=2cf3d40457c9435953c26b8e74c24432 http://download.novell.com/index.jsp?search=Search&set_restricted=true&keywords=5fb2b55e46097825cba505848cb839cb http://download.novell.com/index.jsp?search=Search&set_restricted=true&keywords=4d39ec6d8748e038ab04a0b27f7382a1 SUSE Linux Enterprise 10 SP3 DEBUGINFO http://download.novell.com/index.jsp?search=Search&set_restricted=true&keywords=ddf0cfe0200a78301be8b1d7b78fb645 http://download.novell.com/index.jsp?search=Search&set_restricted=true&keywords=2cf3d40457c9435953c26b8e74c24432 http://download.novell.com/index.jsp?search=Search&set_restricted=true&keywords=5fb2b55e46097825cba505848cb839cb http://download.novell.com/index.jsp?search=Search&set_restricted=true&keywords=4d39ec6d8748e038ab04a0b27f7382a1 SUSE Linux Enterprise Desktop 10 SP3 http://download.novell.com/index.jsp?search=Search&set_restricted=true&keywords=ddf0cfe0200a78301be8b1d7b78fb645 http://download.novell.com/index.jsp?search=Search&set_restricted=true&keywords=4d39ec6d8748e038ab04a0b27f7382a1 SUSE Linux Enterprise Desktop 10 SP3 for x86 http://download.novell.com/index.jsp?search=Search&set_restricted=true&keywords=4d39ec6d8748e038ab04a0b27f7382a1 ______________________________________________________________________________ 5) Pending Vulnerabilities, Solutions, and Work-Arounds: - Pending kernel updates for the CVE-2009-3547 issue. SLES 9 kernels are still in QA and were delayed to build failures. We expect a release either tomorrow or Monday. SUSE Linux Enterprise 11 and the openSUSE products use "mmap_min_addr" protection by default and are default not vulnerable. The fix will be rolled in into their next update rounds. ______________________________________________________________________________ 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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