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Red Hat Security Advisory: RHSA-2010-0331-01 Moderate GFS Kernel Update

Updated GFS-kernel packages that fix one security issue are now available for Red Hat Enterprise Linux 4.8, kernel release 2.6.9-89.0.20.EL. The Red Hat Security Response Team has rated this update as having moderate security impact. A Common Vulnerability Scoring System (CVSS) base score,. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ==================================================================== Red Hat Security Advisory Synopsis: Moderate: GFS-kernel security and bug fix update Advisory ID: RHSA-2010:0331-01 Product: Red Hat Global File System Advisory URL: https://access.redhat.com/errata/RHSA-2010:0331.html Issue date: 2010-03-30 CVE Names: CVE-2010-0727 ==================================================================== 1. Summary: Updated GFS-kernel packages that fix one security issue are now available for Red Hat Enterprise Linux 4.8, kernel release 2.6.9-89.0.20.EL. The Red Hat Security Response Team has rated this update as having moderate security impact. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available from the CVE link in the References section. 2. Relevant releases/architectures: Red Hat Global File System 4AS - i386, ia64, ppc, x86_64 Red Hat Global File System 4ES - i386, ia64, x86_64 Red Hat Global File System 4WS - i386, ia64, x86_64 3. Description: The GFS-kernel packages contain modules that provide the ability to mount and use GFS file systems. A flaw was found in the gfs_lock() implementation. The GFS locking code could skip the lock operation for files that have the S_ISGID bit (set-group-ID on execution) in their mode set. A local, unprivileged user on a system that has a GFS file system mounted could use this flaw to cause a kernel panic. (CVE-2010-0727) As well, these updated GFS-kernel packages are in sync with the latest kernel (2.6.9-89.0.20.EL). The modules in earlier GFS-kernel packages fail to load because they do not match the runningkernel. It is possible to force-load the modules; however, with this update, force-loading the modules is not required. Users are advised to upgrade to these latest GFS-kernel packages, which resolve this issue and are updated for use with the 2.6.9-89.0.20.EL kernel. 4. Solution: Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at 5. Bugs fixed (http://bugzilla.redhat.com/): 570863 - CVE-2010-0727 bug in GFS/GFS2 locking code leads to dos 6. Package List: Red Hat Global File System 4AS: Source: i386: GFS-kernel-2.6.9-85.2.el4_8.10.i686.rpm GFS-kernel-debuginfo-2.6.9-85.2.el4_8.10.i686.rpm GFS-kernel-hugemem-2.6.9-85.2.el4_8.10.i686.rpm GFS-kernel-smp-2.6.9-85.2.el4_8.10.i686.rpm GFS-kernel-xenU-2.6.9-85.2.el4_8.10.i686.rpm GFS-kernheaders-2.6.9-85.2.el4_8.10.i686.rpm ia64: GFS-kernel-2.6.9-85.2.el4_8.10.ia64.rpm GFS-kernel-debuginfo-2.6.9-85.2.el4_8.10.ia64.rpm GFS-kernheaders-2.6.9-85.2.el4_8.10.ia64.rpm ppc: GFS-kernel-2.6.9-85.2.el4_8.10.ppc64.rpm GFS-kernel-debuginfo-2.6.9-85.2.el4_8.10.ppc64.rpm GFS-kernel-largesmp-2.6.9-85.2.el4_8.10.ppc64.rpm GFS-kernheaders-2.6.9-85.2.el4_8.10.ppc64.rpm x86_64: GFS-kernel-2.6.9-85.2.el4_8.10.x86_64.rpm GFS-kernel-debuginfo-2.6.9-85.2.el4_8.10.x86_64.rpm GFS-kernel-largesmp-2.6.9-85.2.el4_8.10.x86_64.rpm GFS-kernel-smp-2.6.9-85.2.el4_8.10.x86_64.rpm GFS-kernel-xenU-2.6.9-85.2.el4_8.10.x86_64.rpm GFS-kernheaders-2.6.9-85.2.el4_8.10.x86_64.rpm Red Hat Global File System4ES: Source: i386: GFS-kernel-2.6.9-85.2.el4_8.10.i686.rpm GFS-kernel-debuginfo-2.6.9-85.2.el4_8.10.i686.rpm GFS-kernel-hugemem-2.6.9-85.2.el4_8.10.i686.rpm GFS-kernel-smp-2.6.9-85.2.el4_8.10.i686.rpm GFS-kernel-xenU-2.6.9-85.2.el4_8.10.i686.rpm GFS-kernheaders-2.6.9-85.2.el4_8.10.i686.rpm ia64: GFS-kernel-2.6.9-85.2.el4_8.10.ia64.rpm GFS-kernel-debuginfo-2.6.9-85.2.el4_8.10.ia64.rpm GFS-kernheaders-2.6.9-85.2.el4_8.10.ia64.rpm x86_64: GFS-kernel-2.6.9-85.2.el4_8.10.x86_64.rpm GFS-kernel-debuginfo-2.6.9-85.2.el4_8.10.x86_64.rpm GFS-kernel-largesmp-2.6.9-85.2.el4_8.10.x86_64.rpm GFS-kernel-smp-2.6.9-85.2.el4_8.10.x86_64.rpm GFS-kernel-xenU-2.6.9-85.2.el4_8.10.x86_64.rpm GFS-kernheaders-2.6.9-85.2.el4_8.10.x86_64.rpm Red Hat Global File System 4WS: Source: i386: GFS-kernel-2.6.9-85.2.el4_8.10.i686.rpm GFS-kernel-debuginfo-2.6.9-85.2.el4_8.10.i686.rpm GFS-kernel-hugemem-2.6.9-85.2.el4_8.10.i686.rpm GFS-kernel-smp-2.6.9-85.2.el4_8.10.i686.rpm GFS-kernel-xenU-2.6.9-85.2.el4_8.10.i686.rpm GFS-kernheaders-2.6.9-85.2.el4_8.10.i686.rpm ia64: GFS-kernel-2.6.9-85.2.el4_8.10.ia64.rpm GFS-kernel-debuginfo-2.6.9-85.2.el4_8.10.ia64.rpm GFS-kernheaders-2.6.9-85.2.el4_8.10.ia64.rpm x86_64: GFS-kernel-2.6.9-85.2.el4_8.10.x86_64.rpm GFS-kernel-debuginfo-2.6.9-85.2.el4_8.10.x86_64.rpm GFS-kernel-largesmp-2.6.9-85.2.el4_8.10.x86_64.rpm GFS-kernel-smp-2.6.9-85.2.el4_8.10.x86_64.rpm GFS-kernel-xenU-2.6.9-85.2.el4_8.10.x86_64.rpm GFS-kernheaders-2.6.9-85.2.el4_8.10.x86_64.rpm These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key#package 7. References: https://access.redhat.com/security/cve/CVE-2010-0727 https://access.redhat.com/security/updates/classification#moderate 8. Contact: The Red Hat security contact is . More contact details at https://access.redhat.com/security/team/contact Copyright 2010 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.4(GNU/Linux) iD8DBQFLsjvyXlSAg2UNWIIRAqnwAJ98kDrGFYlboY9AOH1VjqxMb1nH2ACdFsSF Klf4y++z7c6AihlFU0SI9Mw=CFDs -----END PGP SIGNATURE----- -- Enterprise-watch-list mailing list This email address is being protected from spambots. You need JavaScript enabled to view it. . Significant patch release for GFS-kernel within Red Hat Enterprise Linux, focusing on a key synchronization code enhancement.. GFS-kernel Update, Red Hat Security, Kernel Bug Fix. . LinuxSecurity.com Team

Mar 30, 2010 Red Hat