What is CVE-2011-1768?

CVE-2011-1768 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.4 out of 10, classified as a Race Condition flaw (CWE-362). CVE-2011-1768 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2011-1768?

CVE-2011-1768 has a CVSS score of 5.4 out of 10, rated Medium severity. The vector string is AV:N/AC:H/Au:N/C:N/I:N/A:C.

Is there a patch available for CVE-2011-1768?

No patch is currently available for CVE-2011-1768. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2011-1768 actively exploited?

CVE-2011-1768 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Race Condition (CWE-362)?

The product contains a code sequence that can run concurrently with other code, creating unexpected states. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/362.html

CVE-2011-1768

Medium

The tunnels implementation in the Linux kernel before 2.6.34, when tunnel functionality is configured as a module, allows remote attackers to cause a denial of service (OOPS) by sending a packet during module loading.

Package Linux Kernel

Published 2012-06-13

Last modified 2026-04-29

CVSS version 2.0

Patch available

Awaiting data

CVSS 2.0 score

5.4

out of 10

Medium

Attack Vector

Network

Attack Complexity

High

Privileges Required

User Interaction

Scope

Confidentiality

High

Integrity

None

Availability

Vector string

AV:N/AC:H/Au:N/C:N/I:N/A:C

Weakness type

CWE-362

CVE-2011-1768 is a Race Condition vulnerability

What is Race Condition?

The product contains a code sequence that can run concurrently with other code, creating unexpected states. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2011-1768 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Ftp
http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.34
Openwall
http://www.openwall.com/lists/oss-security/2011/05/05/6
Red Hat
https://bugzilla.redhat.com/show_bug.cgi?id=702303
Kernel patch commit
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=d5aa407f59f5b83d2c50ec88f5bf56d40f1f8978
Patch
Kernel patch commit
https://github.com/torvalds/linux/commit/d5aa407f59f5b83d2c50ec88f5bf56d40f1f8978
Patch

Details

CVE ID CVE-2011-1768

Severity Medium

CVSS score 5.4 / 10

CVSS version 2.0

Published 2012-06-13

Modified 2026-04-29

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2011-1768?

CVE-2011-1768 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.4 out of 10 , classified as a Race Condition flaw (CWE-362) . CVE-2011-1768 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2011-1768?

CVE-2011-1768 has a CVSS score of 5.4 out of 10, rated Medium severity (CVSS 2.0). The vector string is AV:N/AC:H/Au:N/C:N/I:N/A:C.
Is there a patch available for CVE-2011-1768?

No patch is currently available for CVE-2011-1768. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2011-1768 actively exploited?

No — CVE-2011-1768 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is Race Condition (CWE-362)?

The product contains a code sequence that can run concurrently with other code, creating unexpected states. View CWE-362 on MITRE CWE →