CVE-2011-0463
kernel: ocfs2_prepare_page_for_write function does not properly handle holes that cross page boundaries leads to information exposure
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · February 17, 2011
Updated · June 28, 2026
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.
Statement
Not vulnerable. This issue did not affect the versions of Linux kernel as shipped with Red Hat Enterprise Linux 4, 5, 6 and Red Hat Enterprise MRG as they did not provide support for the Oracle Cluster File System (OCFS).
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 4CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CWE-200 · Exposure of Sensitive Information to an Unauthorized Actor