CVE-2010-0727 Detail

Current 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.


View Analysis Description

Severity



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Vendor Statements (disclaimer)

Official Statement fromRed Hat (04/06/2010)

Red Hat is aware of this issue and is tracking it via the following bug: https://bugzilla.redhat.com/CVE-2010-0727. This issue did not affect the version of Linux kernel as shipped with Red Hat Enterprise MRG, as it did not include support for the GFS and GFS2 file systems. For the GFS issue, it was addressed in Red Hat Enterprise Linux 3 in the gfs package, 4 in the GFS-kernel package, and 5 in the gfs-kmod package, via https://rhn.redhat.com/errata/RHSA-2010-9493.html, https://rhn.redhat.com/errata/RHSA-2010-9494.html, https://rhn.redhat.com/errata/RHSA-2010-0291.html respectively. For the GFS2 issue, it was addressed in Red Hat Enterprise Linux 5 in the kernel package via https://rhn.redhat.com/errata/RHSA-2010-0178.html.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://lkml.org/lkml/2010/3/11/269 Patch  Third Party Advisory 
http://securitytracker.com/id?1023809 Third Party Advisory  VDB Entry 
http://www.debian.org/security/2010/dsa-2053 Third Party Advisory 
http://www.kernel.org/pub/linux/kernel/v2.6/next/patch-v2.6.34-rc1-next-20100312.bz2 Release Notes  Vendor Advisory 
http://www.mandriva.com/security/advisories?name=MDVSA-2010:066 Third Party Advisory 
http://www.openwall.com/lists/oss-security/2010/03/12/1 Exploit  Mailing List  Third Party Advisory 
http://www.redhat.com/support/errata/RHSA-2010-0330.html Third Party Advisory 
http://www.redhat.com/support/errata/RHSA-2010-0380.html Third Party Advisory 
http://www.redhat.com/support/errata/RHSA-2010-0521.html Third Party Advisory 
https://bugzilla.redhat.com/show_bug.cgi?id=570863 Exploit  Issue Tracking  Patch  Third Party Advisory 
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11392 Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-399 Resource Management Errors cwe source acceptance level NIST  

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Change History

4 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2010-0727
NVD Published Date:
03/16/2010
NVD Last Modified:
08/07/2020
Source:
MITRE