-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ______________________________________________________________________________ SUSE Security Announcement Package: kernel Announcement ID: SUSE-SA:2010:060 Date: Tue, 14 Dec 2010 12:00:00 +0000 Affected Products: SLE SDK 10 SP3 SUSE Linux Enterprise Desktop 10 SP3 SUSE Linux Enterprise Server 10 SP3 Vulnerability Type: remote denial of service CVSS v2 Base Score: 7.8 (AV:N/AC:L/Au:N/C:N/I:N/A:C) SUSE Default Package: yes Cross-References: CVE-2010-2226, CVE-2010-2248, CVE-2010-2942 CVE-2010-2946, CVE-2010-3067, CVE-2010-3086 CVE-2010-3310, CVE-2010-3437, CVE-2010-3442 CVE-2010-4072, CVE-2010-4073, CVE-2010-4078 CVE-2010-4080, CVE-2010-4081, CVE-2010-4083 CVE-2010-4157, CVE-2010-4158, CVE-2010-4162 CVE-2010-4164 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 kernel update for the SUSE Linux Enterprise 10 SP3 kernel fixes several security issues and bugs. Following security issues were fixed: CVE-2010-3442: Multiple integer overflows in the snd_ctl_new function in sound/core/control.c in the Linux kernel before 2.6.36-rc5-next-20100929 allow local users to cause a denial of service (heap memory corruption) or possibly have unspecified other impact via a crafted (1) SNDRV_CTL_IOCTL_ELEM_ADD or (2) SNDRV_CTL_IOCTL_ELEM_REPLACE ioctl call. CVE-2010-3437: Integer signedness error in the pkt_find_dev_from_minor function in drivers/block/pktcdvd.c in the Linux kernel before 2.6.36-rc6 allows local users to obtain sensitive information from kernel memory or cause a denial of service (invalid pointer dereference and system crash) via a crafted index value in a PKT_CTRL_CMD_STATUS ioctl call. CVE-2010-4078: Uninitialized stack memory disclosure in the FBIOGET_VBLANK ioctl in the sis and ivtv drivers could leak kernel memory to userspace. CVE-2010-4080 / CVE-2010-4081: Uninitialized stack memory disclosure in the rme9652 ALSA driver could leak kernel memory to userspace. CVE-2010-4073 / CVE-2010-4072 / CVE-2010-4083: Uninitialized stack memory disclosure in the SystemV IPC handling functions could leak kernel memory to userspace. CVE-2010-3067: Integer overflow in the do_io_submit function in fs/aio.c in the Linux kernel allowed local users to cause a denial of service or possibly have unspecified other impact via crafted use of the io_submit system call. CVE-2010-3310: Multiple integer signedness errors in net/rose/af_rose.c in the Linux kernel allowed local users to cause a denial of service (heap memory corruption) or possibly have unspecified other impact via a rose_getname function call, related to the rose_bind and rose_connect functions. CVE-2010-2226: The xfs_swapext function in fs/xfs/xfs_dfrag.c in the Linux kernel did not properly check the file descriptors passed to the SWAPEXT ioctl, which allowed local users to leverage write access and obtain read access by swapping one file into another file. CVE-2010-2946: fs/jfs/xattr.c in the Linux kernel did not properly handle a certain legacy format for storage of extended attributes, which might have allowed local users by bypass intended xattr namespace restrictions via an "os2." substring at the beginning of a name. CVE-2010-2942: The actions implementation in the network queuing functionality in the Linux kernel did not properly initialize certain structure members when performing dump operations, which allowed local users to obtain potentially sensitive information from kernel memory via vectors related to (1) the tcf_gact_dump function in net/sched/act_gact.c, (2) the tcf_mirred_dump function in net/sched/act_mirred.c, (3) the tcf_nat_dump function in net/sched/act_nat.c, (4) the tcf_simp_dump function in net/sched/act_simple.c, and (5) the tcf_skbedit_dump function in net/sched/act_skbedit.c. CVE-2010-2248: fs/cifs/cifssmb.c in the CIFS implementation in the Linux kernel allowed remote attackers to cause a denial of service (panic) via an SMB response packet with an invalid CountHigh value, as demonstrated by a response from an OS/2 server, related to the CIFSSMBWrite and CIFSSMBWrite2 functions. CVE-2010-4157: A 32bit vs 64bit integer mismatch in gdth_ioctl_alloc could lead to memory corruption in the GDTH driver. CVE-2010-4164: A remote (or local) attacker communicating over X.25 could cause a kernel panic by attempting to negotiate malformed facilities. CVE-2010-3086: A missing lock prefix in the x86 futex code could be used by local attackers to cause a denial of service. CVE-2010-4158: A memory information leak in Berkley packet filter rules allowed local attackers to read uninitialized memory of the kernel stack. CVE-2010-4162: A local denial of service in the blockdevice layer was fixed. 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" module or the "zypper" commandline tool. The package and patch management stack will detect which updates are required and automatically perform 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/patch/finder/?keywords=674eb707cae3a31be66788e116... SUSE Linux Enterprise Server 10 SP3 http://download.novell.com/patch/finder/?keywords=674eb707cae3a31be66788e116... http://download.novell.com/patch/finder/?keywords=8bc9a9f71e0364816351d414eb... http://download.novell.com/patch/finder/?keywords=c12e832d9f0b5b30c9d4e408ab... http://download.novell.com/patch/finder/?keywords=7a6102f48e04658e517624d16e... http://download.novell.com/patch/finder/?keywords=2d433ce13217ec9e95c2b22bce... SLE SDK 10 SP3 http://download.novell.com/patch/finder/?keywords=674eb707cae3a31be66788e116... http://download.novell.com/patch/finder/?keywords=c12e832d9f0b5b30c9d4e408ab... http://download.novell.com/patch/finder/?keywords=7a6102f48e04658e517624d16e... http://download.novell.com/patch/finder/?keywords=2d433ce13217ec9e95c2b22bce... SUSE Linux Enterprise Desktop 10 SP3 http://download.novell.com/patch/finder/?keywords=674eb707cae3a31be66788e116... http://download.novell.com/patch/finder/?keywords=2d433ce13217ec9e95c2b22bce... SUSE Linux Enterprise Desktop 10 SP3 for x86 http://download.novell.com/patch/finder/?keywords=2d433ce13217ec9e95c2b22bce... ______________________________________________________________________________ 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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