What is CVE-2011-4110?

CVE-2011-4110 is a Low severity Linux kernel vulnerability with a CVSS score of 2.1 out of 10, classified as a Permissions, Privileges and Access Control flaw (CWE-264). CVE-2011-4110 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2011-4110?

CVE-2011-4110 has a CVSS score of 2.1 out of 10, rated Low severity. The vector string is AV:L/AC:L/Au:N/C:N/I:N/A:P.

Is there a patch available for CVE-2011-4110?

No patch is currently available for CVE-2011-4110. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2011-4110 actively exploited?

CVE-2011-4110 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Permissions, Privileges and Access Control (CWE-264)?

Weaknesses in this category are related to the management of permissions, privileges, and access controls. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/264.html

CVE-2011-4110

Low

The user_update function in security/keys/user_defined.c in the Linux kernel 2.6 allows local users to cause a denial of service (NULL pointer dereference and kernel oops) via vectors related to a user-defined key and "updating a negative key into a fully instantiated key."

Package Linux Kernel

Published 2012-01-27

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

Vector string

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

Weakness type

CWE-264

CVE-2011-4110 is a Permissions, Privileges and Access Control vulnerability

What is Permissions, Privileges and Access Control?

Weaknesses in this category are related to the management of permissions, privileges, and access controls. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2011-4110 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Marc
http://marc.info/?l=bugtraq&m=139447903326211&w=2
Secunia
http://secunia.com/advisories/47754
Openwall
http://www.openwall.com/lists/oss-security/2011/11/21/19
Openwall
http://www.openwall.com/lists/oss-security/2011/11/22/5
Openwall
http://www.openwall.com/lists/oss-security/2011/11/22/6
Securityfocus
http://www.securityfocus.com/bid/50755
Ubuntu Security
http://www.ubuntu.com/usn/USN-1324-1
Ubuntu Security
http://www.ubuntu.com/usn/USN-1328-1
Ubuntu Security
http://www.ubuntu.com/usn/USN-1344-1
Lkml
https://lkml.org/lkml/2011/11/15/363

Exploit
Kernel patch commit
https://bugzilla.redhat.com/show_bug.cgi?id=751297
Patch

Details

CVE ID CVE-2011-4110

Severity Low

CVSS score 2.1 / 10

CVSS version 2.0

Published 2012-01-27

Modified 2026-04-29

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2011-4110?

CVE-2011-4110 is a Low severity Linux kernel vulnerability with a CVSS score of 2.1 out of 10 , classified as a Permissions, Privileges and Access Control flaw (CWE-264) . CVE-2011-4110 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2011-4110?

CVE-2011-4110 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:N/I:N/A:P.
Is there a patch available for CVE-2011-4110?

No patch is currently available for CVE-2011-4110. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2011-4110 actively exploited?

No — CVE-2011-4110 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is Permissions, Privileges and Access Control (CWE-264)?

Weaknesses in this category are related to the management of permissions, privileges, and access controls. View CWE-264 on MITRE CWE →