What is CVE-2011-2022?

CVE-2011-2022 is a Medium severity Linux kernel vulnerability with a CVSS score of 6.9 out of 10, classified as a Improper Input Validation flaw (CWE-20). CVE-2011-2022 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2011-2022?

CVE-2011-2022 has a CVSS score of 6.9 out of 10, rated Medium severity. The vector string is AV:L/AC:M/Au:N/C:C/I:C/A:C.

Is there a patch available for CVE-2011-2022?

Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2011-2022 patch availability.

Is CVE-2011-2022 actively exploited?

CVE-2011-2022 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2011-2022

Medium

The agp_generic_remove_memory function in drivers/char/agp/generic.c in the Linux kernel before 2.6.38.5 does not validate a certain start parameter, which allows local users to gain privileges or cause a denial of service (system crash) via a crafted AGPIOC_UNBIND agp_ioctl ioctl call, a different vulnerability than CVE-2011-1745.

Package Linux Kernel

Published 2011-05-09

Last modified 2026-04-29

CVSS version 2.0

Patch available

Awaiting data

CVSS 2.0 score

6.9

out of 10

Medium

Attack Vector

Local

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Vector string

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

Weakness type

CWE-20

CVE-2011-2022 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

8 total

Kernel.org
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.38.5

Release Notes Vendor Advisory
Openwall
http://openwall.com/lists/oss-security/2011/04/21/4

Mailing List Patch Third Party Advisory
Openwall
http://openwall.com/lists/oss-security/2011/04/22/7

Mailing List Patch Third Party Advisory
Red Hat
https://bugzilla.redhat.com/show_bug.cgi?id=698996

Issue Tracking Patch Third Party Advisory
Lkml
https://lkml.org/lkml/2011/4/14/293

Patch Third Party Advisory

Showing 5 of 8 references View all on NVD

Details

CVE ID CVE-2011-2022

Severity Medium

CVSS score 6.9 / 10

CVSS version 2.0

Published 2011-05-09

Modified 2026-04-29

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2011-2022?

CVE-2011-2022 is a Medium severity Linux kernel vulnerability with a CVSS score of 6.9 out of 10 , classified as an Improper Input Validation flaw (CWE-20) . CVE-2011-2022 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2011-2022?

CVE-2011-2022 has a CVSS score of 6.9 out of 10, rated Medium severity (CVSS 2.0). The vector string is AV:L/AC:M/Au:N/C:C/I:C/A:C.
Is there a patch available for CVE-2011-2022?

Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2011-2022 patch availability.
Is CVE-2011-2022 actively exploited?

No. CVE-2011-2022 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.