Executive Summary
| Summary | |
|---|---|
| Title | GFS-kernel security and bug fix update |
| Informations | |||
|---|---|---|---|
| Name | RHSA-2010:0331 | First vendor Publication | 2010-03-30 |
| Vendor | RedHat | Last vendor Modification | 2010-03-30 |
| Severity (Vendor) | Moderate | Revision | 01 |
Security-Database Scoring CVSS v3
| Cvss vector : N/A | |||
|---|---|---|---|
| Overall CVSS Score | NA | ||
| Base Score | NA | Environmental Score | NA |
| impact SubScore | NA | Temporal Score | NA |
| Exploitabality Sub Score | NA | ||
| Calculate full CVSS 3.0 Vectors scores | |||
Security-Database Scoring CVSS v2
| Cvss vector : (AV:L/AC:M/Au:N/C:N/I:N/A:C) | |||
|---|---|---|---|
| Cvss Base Score | 4.7 | Attack Range | Local |
| Cvss Impact Score | 6.9 | Attack Complexity | Medium |
| Cvss Expoit Score | 3.4 | Authentication | None Required |
| Calculate full CVSS 2.0 Vectors scores | |||
Detail
| Problem Description: 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 running kernel. 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 http://kbase.redhat.com/faq/docs/DOC-11259 5. Bugs fixed (http://bugzilla.redhat.com/): 570863 - CVE-2010-0727 bug in GFS/GFS2 locking code leads to dos |
Original Source
| Url : https://rhn.redhat.com/errata/RHSA-2010-0331.html |
CWE : Common Weakness Enumeration
| % | Id | Name |
|---|---|---|
| 100 % | CWE-399 | Resource Management Errors |
OVAL Definitions
| Definition Id: oval:org.mitre.oval:def:11392 | |||
| Oval ID: | oval:org.mitre.oval:def:11392 | ||
| Title: | The gfs2_lock function in the Linux kernel before 2.6.34-rc1-next-20100312, and the gfs_lock function in the Linux kernel on Red Hat Enterprise Linux (RHEL) 5 and 6, does not properly remove POSIX locks on files that are setgid without group-execute permission, which allows local users to cause a denial of service (BUG and system crash) by locking a file on a (1) GFS or (2) GFS2 filesystem, and then changing this file's permissions. | ||
| Description: | The gfs2_lock function in the Linux kernel before 2.6.34-rc1-next-20100312, and the gfs_lock function in the Linux kernel on Red Hat Enterprise Linux (RHEL) 5 and 6, does not properly remove POSIX locks on files that are setgid without group-execute permission, which allows local users to cause a denial of service (BUG and system crash) by locking a file on a (1) GFS or (2) GFS2 filesystem, and then changing this file's permissions. | ||
| Family: | unix | Class: | vulnerability |
| Reference(s): | CVE-2010-0727 | Version: | 5 |
| Platform(s): | Red Hat Enterprise Linux 5 CentOS Linux 5 Oracle Linux 5 | Product(s): | |
| Definition Synopsis: | |||
| |||
| Definition Id: oval:org.mitre.oval:def:22110 | |||
| Oval ID: | oval:org.mitre.oval:def:22110 | ||
| Title: | RHSA-2010:0291: gfs-kmod security, bug fix and enhancement update (Moderate) | ||
| Description: | The gfs2_lock function in the Linux kernel before 2.6.34-rc1-next-20100312, and the gfs_lock function in the Linux kernel on Red Hat Enterprise Linux (RHEL) 5 and 6, does not properly remove POSIX locks on files that are setgid without group-execute permission, which allows local users to cause a denial of service (BUG and system crash) by locking a file on a (1) GFS or (2) GFS2 filesystem, and then changing this file's permissions. | ||
| Family: | unix | Class: | patch |
| Reference(s): | RHSA-2010:0291-04 CVE-2010-0727 | Version: | 4 |
| Platform(s): | Red Hat Enterprise Linux 5 | Product(s): | gfs-kmod |
| Definition Synopsis: | |||
| Definition Id: oval:org.mitre.oval:def:23071 | |||
| Oval ID: | oval:org.mitre.oval:def:23071 | ||
| Title: | ELSA-2010:0291: gfs-kmod security, bug fix and enhancement update (Moderate) | ||
| Description: | The gfs2_lock function in the Linux kernel before 2.6.34-rc1-next-20100312, and the gfs_lock function in the Linux kernel on Red Hat Enterprise Linux (RHEL) 5 and 6, does not properly remove POSIX locks on files that are setgid without group-execute permission, which allows local users to cause a denial of service (BUG and system crash) by locking a file on a (1) GFS or (2) GFS2 filesystem, and then changing this file's permissions. | ||
| Family: | unix | Class: | patch |
| Reference(s): | ELSA-2010:0291-04 CVE-2010-0727 | Version: | 6 |
| Platform(s): | Oracle Linux 5 | Product(s): | gfs-kmod |
| Definition Synopsis: | |||
| Definition Id: oval:org.mitre.oval:def:28041 | |||
| Oval ID: | oval:org.mitre.oval:def:28041 | ||
| Title: | DEPRECATED: ELSA-2010-0291 -- gfs-kmod security, bug fix and enhancement update (moderate) | ||
| Description: | [0.1.34-12] - Fixes a problem where improper locking commands can crash the system. - Resolves: rhbz#571298 [0.1.34-11] - Fixes 'Resource tempory unavailable' for EWOULDBLOCK message with flocks on gfs file - Resolves: rhbz#515717 [0.1.34-10] - Fixes 'Resource tempory unavailable' for EWOULDBLOCK message with flocks on gfs file - Resolves: rhbz#515717 [0.1.34-9] - Change gfs freeze/unfreeze to use new standard - Resolves: rhbz#487610 [0.1.34-8] - Fixes problem that produces this error message: fatal: assertion 'gfs_glock_is_locked_by_me(gl) && gfs_glock_is_held_excl(gl)' failed - Resolves: rhbz#471258 [0.1.34-7] - GFS kernel panic, suid + nfsd with posix ACLs enabled - Resolves: rhbz#513885 [0.1.34-5] - GFS: New mount option: -o errors=withdraw|panic - Resolves: rhbz#517145 | ||
| Family: | unix | Class: | patch |
| Reference(s): | ELSA-2010-0291 CVE-2010-0727 | Version: | 4 |
| Platform(s): | Oracle Linux 5 | Product(s): | gfs-kmod |
| Definition Synopsis: | |||
CPE : Common Platform Enumeration
OpenVAS Exploits
| Date | Description |
|---|---|
| 2010-09-10 | Name : SuSE Update for kernel SUSE-SA:2010:036 File : nvt/gb_suse_2010_036.nasl |
| 2010-06-07 | Name : Ubuntu Update for Linux kernel vulnerabilities USN-947-1 File : nvt/gb_ubuntu_USN_947_1.nasl |
| 2010-06-07 | Name : Ubuntu Update for linux regression USN-947-2 File : nvt/gb_ubuntu_USN_947_2.nasl |
| 2010-06-03 | Name : Debian Security Advisory DSA 2053-1 (linux-2.6) File : nvt/deb_2053_1.nasl |
| 2010-04-06 | Name : RedHat Update for Red Hat Enterprise Linux 5.5 kernel RHSA-2010:0178-02 File : nvt/gb_RHSA-2010_0178-02_Red_Hat_Enterprise_Linux_5.5_kernel.nasl |
| 2010-03-31 | Name : Mandriva Update for kernel MDVSA-2010:066 (kernel) File : nvt/gb_mandriva_MDVSA_2010_066.nasl |
| 2010-02-19 | Name : Mandriva Update for drakxtools MDVA-2010:066 (drakxtools) File : nvt/gb_mandriva_MDVA_2010_066.nasl |
Open Source Vulnerability Database (OSVDB)
| Id | Description |
|---|---|
| 63098 | Linux Kernel gfs_lock Function GFS / GFS2 Filesystem POSIX Lock Removal Weakn... The gfs2_lock function in the Linux kernel before 2.6.34-rc1-next-20100312, and the gfs_lock function in the Linux kernel on Red Hat Enterprise Linux (RHEL) 5 and 6, contain a flaw that may allow a local denial of service. The issue is triggered when local users lock a file on a GFS or GFS file system and changes this file's permission, which will result in loss of availability for the platform. |
Nessus® Vulnerability Scanner
| Date | Description |
|---|---|
| 2014-11-26 | Name : The remote OracleVM host is missing one or more security updates. File : oraclevm_OVMSA-2013-0039.nasl - Type : ACT_GATHER_INFO |
| 2013-01-24 | Name : The remote Red Hat host is missing one or more security updates. File : redhat-RHSA-2010-0291.nasl - Type : ACT_GATHER_INFO |
| 2013-01-24 | Name : The remote Red Hat host is missing one or more security updates. File : redhat-RHSA-2010-0380.nasl - Type : ACT_GATHER_INFO |
| 2013-01-24 | Name : The remote Red Hat host is missing one or more security updates. File : redhat-RHSA-2010-0521.nasl - Type : ACT_GATHER_INFO |
| 2012-08-01 | Name : The remote Scientific Linux host is missing one or more security updates. File : sl_20100330_GFS_on_SL3_x.nasl - Type : ACT_GATHER_INFO |
| 2012-08-01 | Name : The remote Scientific Linux host is missing one or more security updates. File : sl_20100330_gfs_kmod_on_SL_5_0.nasl - Type : ACT_GATHER_INFO |
| 2010-08-27 | Name : The remote SuSE 9 host is missing a security-related patch. File : suse9_12636.nasl - Type : ACT_GATHER_INFO |
| 2010-07-30 | Name : The remote Mandriva Linux host is missing one or more security updates. File : mandriva_MDVSA-2010-066.nasl - Type : ACT_GATHER_INFO |
| 2010-06-04 | Name : The remote Ubuntu host is missing one or more security-related patches. File : ubuntu_USN-947-1.nasl - Type : ACT_GATHER_INFO |
| 2010-06-04 | Name : The remote Ubuntu host is missing one or more security-related patches. File : ubuntu_USN-947-2.nasl - Type : ACT_GATHER_INFO |
| 2010-05-26 | Name : The remote Debian host is missing a security-related update. File : debian_DSA-2053.nasl - Type : ACT_GATHER_INFO |
| 2010-05-11 | Name : The remote Red Hat host is missing one or more security updates. File : redhat-RHSA-2010-0178.nasl - Type : ACT_GATHER_INFO |
