-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ______________________________________________________________________________ SUSE Security Announcement Package: kernel Announcement ID: SUSE-SA:2009:021 Date: Thu, 16 Apr 2009 15:00:00 +0000 Affected Products: openSUSE 11.1 SLED 11 SLES 11 SLES 11 DEBUGINFO Vulnerability Type: local privilege escalation Severity (1-10): 6 SUSE Default Package: yes Cross-References: CVE-2009-0676, CVE-2009-0835, CVE-2009-1072 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 The Linux kernel was updated for SUSE Linux Enterprise 11 and openSUSE 11.1 fixing lots of bugs and some security issues. The kernel was also updated to the 2.6.27.21 stable release. CVE-2009-1072: nfsd in the Linux kernel does not drop the CAP_MKNOD capability before handling a user request in a thread, which allows local users to create device nodes, as demonstrated on a filesystem that has been exported with the root_squash option. CVE-2009-0676: The sock_getsockopt function in net/core/sock.c in the Linux kernel does not initialize a certain structure member, which allows local users to obtain potentially sensitive information from kernel memory via an SO_BSDCOMPAT getsockopt request. The fix for this was previously incomplete. CVE-2009-0835: The __secure_computing function in kernel/seccomp.c in the seccomp subsystem in the Linux kernel on the x86_64 platform, when CONFIG_SECCOMP is enabled, does not properly handle (1) a 32-bit process making a 64-bit syscall or (2) a 64-bit process making a 32-bit syscall, which allows local users to bypass intended access restrictions via crafted syscalls that are misinterpreted as (a) stat or (b) chmod. The openSUSE 11.1 kernel was released before the easter weekend already. 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. x86 Platform: openSUSE 11.1: http://download.opensuse.org/update/11.1/rpm/i586/kernel-debug-2.6.27.21-0.1... http://download.opensuse.org/update/11.1/rpm/i586/kernel-debug-base-2.6.27.2... http://download.opensuse.org/update/11.1/rpm/i586/kernel-debug-extra-2.6.27.... http://download.opensuse.org/update/11.1/rpm/i586/kernel-default-2.6.27.21-0... http://download.opensuse.org/update/11.1/rpm/i586/kernel-default-base-2.6.27... http://download.opensuse.org/update/11.1/rpm/i586/kernel-default-extra-2.6.2... http://download.opensuse.org/update/11.1/rpm/i586/kernel-pae-2.6.27.21-0.1.2... http://download.opensuse.org/update/11.1/rpm/i586/kernel-pae-base-2.6.27.21-... http://download.opensuse.org/update/11.1/rpm/i586/kernel-pae-extra-2.6.27.21... http://download.opensuse.org/update/11.1/rpm/i586/kernel-source-2.6.27.21-0.... http://download.opensuse.org/update/11.1/rpm/i586/kernel-syms-2.6.27.21-0.1.... http://download.opensuse.org/update/11.1/rpm/i586/kernel-trace-2.6.27.21-0.1... http://download.opensuse.org/update/11.1/rpm/i586/kernel-trace-base-2.6.27.2... http://download.opensuse.org/update/11.1/rpm/i586/kernel-trace-extra-2.6.27.... http://download.opensuse.org/update/11.1/rpm/i586/kernel-vanilla-2.6.27.21-0... http://download.opensuse.org/update/11.1/rpm/i586/kernel-xen-2.6.27.21-0.1.2... http://download.opensuse.org/update/11.1/rpm/i586/kernel-xen-base-2.6.27.21-... http://download.opensuse.org/update/11.1/rpm/i586/kernel-xen-extra-2.6.27.21... http://download.opensuse.org/update/11.1/rpm/i586/module-init-tools-3.4-56.1... Platform Independent: openSUSE 11.1: http://download.opensuse.org/update/11.1/rpm/noarch/kernel-docs-2.6.3-3.13.1... Power PC Platform: openSUSE 11.1: http://download.opensuse.org/update/11.1/rpm/ppc/kernel-default-2.6.27.21-0.... http://download.opensuse.org/update/11.1/rpm/ppc/kernel-default-base-2.6.27.... http://download.opensuse.org/update/11.1/rpm/ppc/kernel-default-extra-2.6.27... http://download.opensuse.org/update/11.1/rpm/ppc/kernel-kdump-2.6.27.21-0.1.... http://download.opensuse.org/update/11.1/rpm/ppc/kernel-ppc64-2.6.27.21-0.1.... http://download.opensuse.org/update/11.1/rpm/ppc/kernel-ppc64-base-2.6.27.21... http://download.opensuse.org/update/11.1/rpm/ppc/kernel-ppc64-extra-2.6.27.2... http://download.opensuse.org/update/11.1/rpm/ppc/kernel-ps3-2.6.27.21-0.1.2.... http://download.opensuse.org/update/11.1/rpm/ppc/kernel-source-2.6.27.21-0.1... http://download.opensuse.org/update/11.1/rpm/ppc/kernel-syms-2.6.27.21-0.1.1... http://download.opensuse.org/update/11.1/rpm/ppc/kernel-vanilla-2.6.27.21-0.... http://download.opensuse.org/update/11.1/rpm/ppc/module-init-tools-3.4-56.10... x86-64 Platform: openSUSE 11.1: http://download.opensuse.org/update/11.1/rpm/x86_64/kernel-debug-2.6.27.21-0... http://download.opensuse.org/update/11.1/rpm/x86_64/kernel-debug-base-2.6.27... http://download.opensuse.org/update/11.1/rpm/x86_64/kernel-debug-extra-2.6.2... http://download.opensuse.org/update/11.1/rpm/x86_64/kernel-default-2.6.27.21... http://download.opensuse.org/update/11.1/rpm/x86_64/kernel-default-base-2.6.... http://download.opensuse.org/update/11.1/rpm/x86_64/kernel-default-extra-2.6... http://download.opensuse.org/update/11.1/rpm/x86_64/kernel-source-2.6.27.21-... http://download.opensuse.org/update/11.1/rpm/x86_64/kernel-syms-2.6.27.21-0.... http://download.opensuse.org/update/11.1/rpm/x86_64/kernel-trace-2.6.27.21-0... http://download.opensuse.org/update/11.1/rpm/x86_64/kernel-trace-base-2.6.27... http://download.opensuse.org/update/11.1/rpm/x86_64/kernel-trace-extra-2.6.2... http://download.opensuse.org/update/11.1/rpm/x86_64/kernel-vanilla-2.6.27.21... http://download.opensuse.org/update/11.1/rpm/x86_64/kernel-xen-2.6.27.21-0.1... http://download.opensuse.org/update/11.1/rpm/x86_64/kernel-xen-base-2.6.27.2... http://download.opensuse.org/update/11.1/rpm/x86_64/kernel-xen-extra-2.6.27.... http://download.opensuse.org/update/11.1/rpm/x86_64/module-init-tools-3.4-56... Sources: openSUSE 11.1: http://download.opensuse.org/update/11.1/rpm/src/kernel-debug-2.6.27.21-0.1.... http://download.opensuse.org/update/11.1/rpm/src/kernel-default-2.6.27.21-0.... http://download.opensuse.org/update/11.1/rpm/src/kernel-docs-2.6.3-3.13.13.s... http://download.opensuse.org/update/11.1/rpm/src/kernel-kdump-2.6.27.21-0.1.... http://download.opensuse.org/update/11.1/rpm/src/kernel-pae-2.6.27.21-0.1.2.... http://download.opensuse.org/update/11.1/rpm/src/kernel-ppc64-2.6.27.21-0.1.... http://download.opensuse.org/update/11.1/rpm/src/kernel-ps3-2.6.27.21-0.1.2.... http://download.opensuse.org/update/11.1/rpm/src/kernel-source-2.6.27.21-0.1... http://download.opensuse.org/update/11.1/rpm/src/kernel-syms-2.6.27.21-0.1.1... http://download.opensuse.org/update/11.1/rpm/src/kernel-trace-2.6.27.21-0.1.... http://download.opensuse.org/update/11.1/rpm/src/kernel-vanilla-2.6.27.21-0.... http://download.opensuse.org/update/11.1/rpm/src/kernel-xen-2.6.27.21-0.1.2.... http://download.opensuse.org/update/11.1/rpm/src/module-init-tools-3.4-56.10... Our maintenance customers are notified individually. The packages are offered for installation from the maintenance web: SLES 11 http://download.novell.com/index.jsp?search=Search&set_restricted=true&keywords=cbacbaa8aeddafb886e0b13191c38963 http://download.novell.com/index.jsp?search=Search&set_restricted=true&keywords=8b684f8048b88ef832b80e585ff96805 http://download.novell.com/index.jsp?search=Search&set_restricted=true&keywords=8987accc22406eeb83098eded271c9af http://download.novell.com/index.jsp?search=Search&set_restricted=true&keywords=40623e2603f46ef0bf4615d7d469eb26 http://download.novell.com/index.jsp?search=Search&set_restricted=true&keywords=811ee372cc49e0ad64c32f8cf2267192 http://download.novell.com/index.jsp?search=Search&set_restricted=true&keywords=ab571c76de3bf9c7bafb83437a2d83aa SLED 11 http://download.novell.com/index.jsp?search=Search&set_restricted=true&keywords=cbacbaa8aeddafb886e0b13191c38963 http://download.novell.com/index.jsp?search=Search&set_restricted=true&keywords=8b684f8048b88ef832b80e585ff96805 http://download.novell.com/index.jsp?search=Search&set_restricted=true&keywords=ab571c76de3bf9c7bafb83437a2d83aa SLES 11 DEBUGINFO http://download.novell.com/index.jsp?search=Search&set_restricted=true&keywords=cbacbaa8aeddafb886e0b13191c38963 http://download.novell.com/index.jsp?search=Search&set_restricted=true&keywords=8b684f8048b88ef832b80e585ff96805 http://download.novell.com/index.jsp?search=Search&set_restricted=true&keywords=8987accc22406eeb83098eded271c9af http://download.novell.com/index.jsp?search=Search&set_restricted=true&keywords=40623e2603f46ef0bf4615d7d469eb26 http://download.novell.com/index.jsp?search=Search&set_restricted=true&keywords=811ee372cc49e0ad64c32f8cf2267192 http://download.novell.com/index.jsp?search=Search&set_restricted=true&keywords=ab571c76de3bf9c7bafb83437a2d83aa ______________________________________________________________________________ 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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