Vulnerability Monitor

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CVE-2011-2689

The gfs2_fallocate function in fs/gfs2/file.c in the Linux kernel before 3.0-rc1 does not ensure that the size of a chunk allocation is a multiple of the block size, which allows local users to cause a denial of service (BUG and system crash) by arranging for all resource groups to have too little free space.

Security Impact Summary

CVE-2011-2689 is a security vulnerability that . Impacting 4 products from linux, from redhat, from redhat and 1 other, organizations running these solutions should prioritize assessment and patching.

Historical Context

Documented in 2011, this vulnerability occurred amid the cloud computing expansion era, where traditional network perimeter security models were being reevaluated. Organizations were transitioning from isolated infrastructure to interconnected systems, creating new attack surfaces that vulnerabilities like this could exploit.

Published

2011-07-28T22:55:02.580

Last Modified

2026-04-29T01:13:23.040

Status

Modified

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-400

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	linux	linux_kernel	< 3.0	Yes
Operating System	linux	linux_kernel	3.0	Yes
Operating System	linux	linux_kernel	3.0	Yes
Operating System	redhat	enterprise_linux_desktop	5.0	Yes
Operating System	redhat	enterprise_linux_server	5.0	Yes
Operating System	redhat	enterprise_linux_workstation	5.0	Yes

References

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=6905d9e4dda6112f007e9090bca80507da158e63 ([email protected])
http://marc.info/?l=bugtraq&m=139447903326211&w=2 Third Party Advisory ([email protected])
http://rhn.redhat.com/errata/RHSA-2011-1065.html Third Party Advisory ([email protected])
http://secunia.com/advisories/45193 Third Party Advisory ([email protected])
http://securitytracker.com/id?1025776 Third Party Advisory, VDB Entry ([email protected])
http://www.kernel.org/pub/linux/kernel/v3.0/testing/ChangeLog-3.0-rc1 Broken Link ([email protected])
http://www.openwall.com/lists/oss-security/2011/07/13/1 Mailing List, Patch, Third Party Advisory ([email protected])
http://www.securityfocus.com/bid/48677 Third Party Advisory, VDB Entry ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=720861 Issue Tracking, Patch, Third Party Advisory ([email protected])
https://exchange.xforce.ibmcloud.com/vulnerabilities/68557 Third Party Advisory, VDB Entry ([email protected])
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=6905d9e4dda6112f007e9090bca80507da158e63 (af854a3a-2127-422b-91ae-364da2661108)
http://marc.info/?l=bugtraq&m=139447903326211&w=2 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://rhn.redhat.com/errata/RHSA-2011-1065.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/45193 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://securitytracker.com/id?1025776 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.kernel.org/pub/linux/kernel/v3.0/testing/ChangeLog-3.0-rc1 Broken Link (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2011/07/13/1 Mailing List, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/48677 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.redhat.com/show_bug.cgi?id=720861 Issue Tracking, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://exchange.xforce.ibmcloud.com/vulnerabilities/68557 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For linux's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.