-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ______________________________________________________________________________ SUSE Security Announcement Package: kernel-debug Announcement ID: SUSE-SA:2009:003 Date: Tue, 20 Jan 2009 18:00:00 +0000 Affected Products: openSUSE 11.0 Vulnerability Type: local privilege escalation Severity (1-10): 7 SUSE Default Package: yes Cross-References: CVE-2008-3831, CVE-2008-4554, CVE-2008-4933 CVE-2008-5025, CVE-2008-5029, CVE-2008-5079 CVE-2008-5182, CVE-2008-5300, CVE-2008-5700 CVE-2008-5702 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 update fixes various security issues and several bugs in the openSUSE 11.0 kernel. The kernel was also updated to the stable version 2.6.25.20, including its bugfixes. Following security issues were fixed: CVE-2008-5702: Buffer underflow in the ibwdt_ioctl function in drivers/watchdog/ib700wdt.c might allow local users to have an unknown impact via a certain /dev/watchdog WDIOC_SETTIMEOUT IOCTL call. CVE-2008-5700: libata did not set minimum timeouts for SG_IO requests, which allows local users to cause a denial of service (Programmed I/O mode on drives) via multiple simultaneous invocations of an unspecified test program. CVE-2008-5079: net/atm/svc.c in the ATM subsystem allowed local users to cause a denial of service (kernel infinite loop) by making two calls to svc_listen for the same socket, and then reading a /proc/net/atm/*vc file, related to corruption of the vcc table. CVE-2008-5300: Linux kernel 2.6.28 allows local users to cause a denial of service ("soft lockup" and process loss) via a large number of sendmsg function calls, which does not block during AF_UNIX garbage collection and triggers an OOM condition, a different vulnerability than CVE-2008-5029. CVE-2008-5029: The __scm_destroy function in net/core/scm.c makes indirect recursive calls to itself through calls to the fput function, which allows local users to cause a denial of service (panic) via vectors related to sending an SCM_RIGHTS message through a UNIX domain socket and closing file descriptors. CVE-2008-4933: Buffer overflow in the hfsplus_find_cat function in fs/hfsplus/catalog.c allowed attackers to cause a denial of service (memory corruption or system crash) via an hfsplus filesystem image with an invalid catalog namelength field, related to the hfsplus_cat_build_key_uni function. CVE-2008-5025: Stack-based buffer overflow in the hfs_cat_find_brec function in fs/hfs/catalog.c allowed attackers to cause a denial of service (memory corruption or system crash) via an hfs filesystem image with an invalid catalog namelength field, a related issue to CVE-2008-4933. CVE-2008-5182: The inotify functionality might allow local users to gain privileges via unknown vectors related to race conditions in inotify watch removal and umount. CVE-2008-3831: The i915 driver in drivers/char/drm/i915_dma.c does not restrict the DRM_I915_HWS_ADDR ioctl to the Direct Rendering Manager (DRM) master, which allows local users to cause a denial of service (memory corruption) via a crafted ioctl call, related to absence of the DRM_MASTER and DRM_ROOT_ONLY flags in the ioctls configuration. CVE-2008-4554: The do_splice_from function in fs/splice.c did not reject file descriptors that have the O_APPEND flag set, which allows local users to bypass append mode and make arbitrary changes to other locations in the file. 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 11.0: http://download.opensuse.org/pub/opensuse/update/11.0/rpm/i586/kernel-debug-... http://download.opensuse.org/pub/opensuse/update/11.0/rpm/i586/kernel-defaul... http://download.opensuse.org/pub/opensuse/update/11.0/rpm/i586/kernel-pae-2.... http://download.opensuse.org/pub/opensuse/update/11.0/rpm/i586/kernel-rt-2.6... http://download.opensuse.org/pub/opensuse/update/11.0/rpm/i586/kernel-rt_deb... http://download.opensuse.org/pub/opensuse/update/11.0/rpm/i586/kernel-source... http://download.opensuse.org/pub/opensuse/update/11.0/rpm/i586/kernel-syms-2... http://download.opensuse.org/pub/opensuse/update/11.0/rpm/i586/kernel-vanill... http://download.opensuse.org/pub/opensuse/update/11.0/rpm/i586/kernel-xen-2.... Platform Independent: openSUSE 11.0: http://download.opensuse.org/pub/opensuse/update/11.0/rpm/noarch/kernel-docs... Power PC Platform: openSUSE 11.0: http://download.opensuse.org/pub/opensuse/update/11.0/rpm/ppc/kernel-default... http://download.opensuse.org/pub/opensuse/update/11.0/rpm/ppc/kernel-kdump-2... http://download.opensuse.org/pub/opensuse/update/11.0/rpm/ppc/kernel-ppc64-2... http://download.opensuse.org/pub/opensuse/update/11.0/rpm/ppc/kernel-ps3-2.6... http://download.opensuse.org/pub/opensuse/update/11.0/rpm/ppc/kernel-source-... http://download.opensuse.org/pub/opensuse/update/11.0/rpm/ppc/kernel-syms-2.... http://download.opensuse.org/pub/opensuse/update/11.0/rpm/ppc/kernel-vanilla... x86-64 Platform: openSUSE 11.0: http://download.opensuse.org/pub/opensuse/update/11.0/rpm/x86_64/kernel-debu... http://download.opensuse.org/pub/opensuse/update/11.0/rpm/x86_64/kernel-defa... http://download.opensuse.org/pub/opensuse/update/11.0/rpm/x86_64/kernel-rt-2... http://download.opensuse.org/pub/opensuse/update/11.0/rpm/x86_64/kernel-rt_d... http://download.opensuse.org/pub/opensuse/update/11.0/rpm/x86_64/kernel-sour... http://download.opensuse.org/pub/opensuse/update/11.0/rpm/x86_64/kernel-syms... http://download.opensuse.org/pub/opensuse/update/11.0/rpm/x86_64/kernel-vani... http://download.opensuse.org/pub/opensuse/update/11.0/rpm/x86_64/kernel-xen-... Sources: openSUSE 11.0: http://download.opensuse.org/pub/opensuse/update/11.0/rpm/src/kernel-debug-2... http://download.opensuse.org/pub/opensuse/update/11.0/rpm/src/kernel-default... http://download.opensuse.org/pub/opensuse/update/11.0/rpm/src/kernel-docs-2.... http://download.opensuse.org/pub/opensuse/update/11.0/rpm/src/kernel-kdump-2... http://download.opensuse.org/pub/opensuse/update/11.0/rpm/src/kernel-pae-2.6... http://download.opensuse.org/pub/opensuse/update/11.0/rpm/src/kernel-ppc64-2... http://download.opensuse.org/pub/opensuse/update/11.0/rpm/src/kernel-ps3-2.6... http://download.opensuse.org/pub/opensuse/update/11.0/rpm/src/kernel-rt-2.6.... http://download.opensuse.org/pub/opensuse/update/11.0/rpm/src/kernel-rt_debu... http://download.opensuse.org/pub/opensuse/update/11.0/rpm/src/kernel-source-... http://download.opensuse.org/pub/opensuse/update/11.0/rpm/src/kernel-syms-2.... http://download.opensuse.org/pub/opensuse/update/11.0/rpm/src/kernel-vanilla... http://download.opensuse.org/pub/opensuse/update/11.0/rpm/src/kernel-xen-2.6... ______________________________________________________________________________ 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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