Improper input validation in Linux kernel - CVE-2011-0463

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Main Vulnerability Database Vulnerabilities #VU92548

Improper input validation in Linux kernel - CVE-2011-0463

Published: April 10, 2011 / Updated: August 4, 2020


Vulnerability identifier: #VU92548
CSH Severity: Low
CVSS v4: 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]
CVE-ID: CVE-2011-0463
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

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.


Affected software

Linux kernel
Ubuntu
linux (Ubuntu package)
linux-lts-backport-maverick (Ubuntu package)

How to mitigate CVE-2011-0463

Install update from vendor's repository.

linux (Ubuntu package) - addressed in versions 2.6.24-29.90, 2.6.32-32.62, 2.6.35-30.54, 2.6.38-10.46
linux-lts-backport-maverick (Ubuntu package) - update to 2.6.35-30.56~lucid1

External References

Related Security Bulletins