SB2011041004 - Improper input validation in Linux kernel ocfs2
Published: April 10, 2011
Security Bulletin ID
SB2011041004
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper input validation (CVE-ID: CVE-2011-0463)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a local user to gain access to sensitive information.
The vulnerability exists due to improper input validation error within the ocfs2_prepare_page_for_write() function in fs/ocfs2/aops.c. A local user can gain access to sensitive information.
Remediation
Install update from vendor's website.
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=272b62c1f0f6f742046e45b50b6fec98860208a0
- http://oss.oracle.com/pipermail/ocfs2-devel/2011-February/007846.html
- http://secunia.com/advisories/43966
- http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.39-rc1
- http://www.ubuntu.com/usn/USN-1146-1
- https://bugzilla.novell.com/show_bug.cgi?id=673037