What is CVE-2011-0463?

CVE-2011-0463 is a Low severity Linux kernel vulnerability with a CVSS score of 2.1 out of 10, classified as a Improper Input Validation flaw (CWE-20). CVE-2011-0463 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2011-0463?

CVE-2011-0463 has a CVSS score of 2.1 out of 10, rated Low severity. The vector string is AV:L/AC:L/Au:N/C:P/I:N/A:N.

Is there a patch available for CVE-2011-0463?

No patch is currently available for CVE-2011-0463. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2011-0463 actively exploited?

CVE-2011-0463 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2011-0463

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 boundaries, which allows local users to obtain potentially sensitive information from uninitialized disk locations by reading a file.

Package Linux Kernel

Published 2011-04-10

Last modified 2026-04-29

CVSS version 2.0

Patch available

Awaiting data

CVSS 2.0 score

2.1

out of 10

Low

Attack Vector

Local

Attack Complexity

Low

Privileges Required

User Interaction

Scope

Confidentiality

Low

Integrity

None

Availability

None

Vector string

AV:L/AC:L/Au:N/C:P/I:N/A:N

Weakness type

CWE-20

CVE-2011-0463 is a Improper Input Validation vulnerability

What is Improper Input Validation?

The product receives input but does not validate it correctly, allowing attackers to craft inputs that cause unexpected behavior. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2011-0463 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Secunia
http://secunia.com/advisories/43966

Third Party Advisory
Kernel.org
http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.39-rc1

Release Notes Vendor Advisory
Ubuntu Security
http://www.ubuntu.com/usn/USN-1146-1

Third Party Advisory
Bugzilla
https://bugzilla.novell.com/show_bug.cgi?id=673037

Exploit Issue Tracking Third Party Advisory
Kernel patch commit
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=272b62c1f0f6f742046e45b50b6fec98860208a0
Patch
Kernel patch commit
http://oss.oracle.com/pipermail/ocfs2-devel/2011-February/007846.html
Patch

Details

CVE ID CVE-2011-0463

Severity Low

CVSS score 2.1 / 10

CVSS version 2.0

Published 2011-04-10

Modified 2026-04-29

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2011-0463?

CVE-2011-0463 is a Low severity Linux kernel vulnerability with a CVSS score of 2.1 out of 10 , classified as an Improper Input Validation flaw (CWE-20) . CVE-2011-0463 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2011-0463?

CVE-2011-0463 has a CVSS score of 2.1 out of 10, rated Low severity (CVSS 2.0). The vector string is AV:L/AC:L/Au:N/C:P/I:N/A:N.
Is there a patch available for CVE-2011-0463?

No patch is currently available for CVE-2011-0463. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2011-0463 actively exploited?

No — CVE-2011-0463 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is Improper Input Validation (CWE-20)?

The product receives input but does not validate it correctly, allowing attackers to craft inputs that cause unexpected behavior. View CWE-20 on MITRE CWE →