Vulnerability Description
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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 3.0 |
| Redhat | Enterprise Linux Desktop | 5.0 |
| Redhat | Enterprise Linux Server | 5.0 |
| Redhat | Enterprise Linux Workstation | 5.0 |
Related Weaknesses (CWE)
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=
- http://marc.info/?l=bugtraq&m=139447903326211&w=2Third Party Advisory
- http://rhn.redhat.com/errata/RHSA-2011-1065.htmlThird Party Advisory
- http://secunia.com/advisories/45193Third Party Advisory
- http://securitytracker.com/id?1025776Third Party AdvisoryVDB Entry
- http://www.kernel.org/pub/linux/kernel/v3.0/testing/ChangeLog-3.0-rc1Broken Link
- http://www.openwall.com/lists/oss-security/2011/07/13/1Mailing ListPatchThird Party Advisory
- http://www.securityfocus.com/bid/48677Third Party AdvisoryVDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=720861Issue TrackingPatchThird Party Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/68557Third Party AdvisoryVDB Entry
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=
- http://marc.info/?l=bugtraq&m=139447903326211&w=2Third Party Advisory
- http://rhn.redhat.com/errata/RHSA-2011-1065.htmlThird Party Advisory
- http://secunia.com/advisories/45193Third Party Advisory
- http://securitytracker.com/id?1025776Third Party AdvisoryVDB Entry
FAQ
What is CVE-2011-2689?
CVE-2011-2689 is a vulnerability with a CVSS score of 4.9 (MEDIUM). 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 ...
How severe is CVE-2011-2689?
CVE-2011-2689 has been rated MEDIUM with a CVSS base score of 4.9/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2011-2689?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Server, Redhat Enterprise Linux Workstation.