Vulnerability Monitor

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CVE-2010-0727

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.

Published

2010-03-16T19:30:00.400

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 4.9 (MEDIUM)

CVSSv2 Vector

AV:L/AC:L/Au:N/C:N/I:N/A:C

Access Vector: LOCAL
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: COMPLETE

Exploitability Score

3.9

Impact Score

6.9

Weaknesses

Type: Primary
CWE-399

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	linux	linux_kernel	≤ 2.6.33.1	Yes
Operating System	debian	debian_linux	5.0	Yes
Operating System	redhat	enterprise_linux	5.0	Yes
Operating System	redhat	enterprise_linux	6.0	Yes

References

http://lkml.org/lkml/2010/3/11/269 Patch, Third Party Advisory ([email protected])
http://secunia.com/advisories/39830 Third Party Advisory ([email protected])
http://securitytracker.com/id?1023809 Third Party Advisory, VDB Entry ([email protected])
http://www.debian.org/security/2010/dsa-2053 Third Party Advisory ([email protected])
http://www.kernel.org/pub/linux/kernel/v2.6/next/patch-v2.6.34-rc1-next-20100312.bz2 Release Notes, Vendor Advisory ([email protected])
http://www.mandriva.com/security/advisories?name=MDVSA-2010:066 Third Party Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2010/03/12/1 Exploit, Mailing List, Third Party Advisory ([email protected])
http://www.redhat.com/support/errata/RHSA-2010-0330.html Third Party Advisory ([email protected])
http://www.redhat.com/support/errata/RHSA-2010-0380.html Third Party Advisory ([email protected])
http://www.redhat.com/support/errata/RHSA-2010-0521.html Third Party Advisory ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=570863 Exploit, Issue Tracking, Patch, Third Party Advisory ([email protected])
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11392 Third Party Advisory ([email protected])
http://lkml.org/lkml/2010/3/11/269 Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/39830 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://securitytracker.com/id?1023809 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.debian.org/security/2010/dsa-2053 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.kernel.org/pub/linux/kernel/v2.6/next/patch-v2.6.34-rc1-next-20100312.bz2 Release Notes, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.mandriva.com/security/advisories?name=MDVSA-2010:066 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2010/03/12/1 Exploit, Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.redhat.com/support/errata/RHSA-2010-0330.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.redhat.com/support/errata/RHSA-2010-0380.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.redhat.com/support/errata/RHSA-2010-0521.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.redhat.com/show_bug.cgi?id=570863 Exploit, Issue Tracking, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11392 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)