Vulnerability Description
The ocfs2_prepare_page_for_write function in fs/ocfs2/aops.c in the Oracle Cluster File System 2 (OCFS2) subsystem in the Linux kernel before 2.6.39-rc1 does not properly handle holes that cross page boundaries, which allows local users to obtain potentially sensitive information from uninitialized disk locations by reading a file.
CVSS Score
LOW
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | <= 2.6.38.2 |
| Canonical | Ubuntu Linux | 8.04 |
Related Weaknesses (CWE)
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=
- http://oss.oracle.com/pipermail/ocfs2-devel/2011-February/007846.htmlExploitPatchThird Party Advisory
- http://secunia.com/advisories/43966Third Party Advisory
- http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.39-rc1Release NotesVendor Advisory
- http://www.ubuntu.com/usn/USN-1146-1Third Party Advisory
- https://bugzilla.novell.com/show_bug.cgi?id=673037ExploitIssue TrackingThird Party Advisory
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=
- http://oss.oracle.com/pipermail/ocfs2-devel/2011-February/007846.htmlExploitPatchThird Party Advisory
- http://secunia.com/advisories/43966Third Party Advisory
- http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.39-rc1Release NotesVendor Advisory
- http://www.ubuntu.com/usn/USN-1146-1Third Party Advisory
- https://bugzilla.novell.com/show_bug.cgi?id=673037ExploitIssue TrackingThird Party Advisory
FAQ
What is CVE-2011-0463?
CVE-2011-0463 is a vulnerability with a CVSS score of 2.1 (LOW). The ocfs2_prepare_page_for_write function in fs/ocfs2/aops.c in the Oracle Cluster File System 2 (OCFS2) subsystem in the Linux kernel before 2.6.39-rc1 does not properly handle holes that cross page ...
How severe is CVE-2011-0463?
CVE-2011-0463 has been rated LOW with a CVSS base score of 2.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2011-0463?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Canonical Ubuntu Linux.