What is CVE-2009-3612?

CVE-2009-3612 is a Low severity Linux kernel vulnerability with a CVSS score of 2.1 out of 10, classified as a Information Exposure flaw (CWE-200). CVE-2009-3612 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2009-3612?

CVE-2009-3612 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-2009-3612?

No patch is currently available for CVE-2009-3612. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2009-3612 actively exploited?

CVE-2009-3612 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Information Exposure (CWE-200)?

The product exposes sensitive information to an actor not authorised to see it. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/200.html

CVE-2009-3612

Low

The tcf_fill_node function in net/sched/cls_api.c in the netlink subsystem in the Linux kernel 2.6.x before 2.6.32-rc5, and 2.4.37.6 and earlier, does not initialize a certain tcm__pad2 structure member, which might allow local users to obtain sensitive information from kernel memory via unspecified vectors. NOTE: this issue exists because of an incomplete fix for CVE-2005-4881.

Package Linux Kernel

Published 2009-10-19

Last modified 2026-04-23

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-200

CVE-2009-3612 is a Information Exposure vulnerability

What is Information Exposure?

The product exposes sensitive information to an actor not authorised to see it. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2009-3612 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Lists
http://lists.opensuse.org/opensuse-security-announce/2009-12/msg00002.html

Mailing List Third Party Advisory
Lists
http://lists.opensuse.org/opensuse-security-announce/2009-12/msg00005.html

Mailing List Third Party Advisory
Lists
http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00005.html

Mailing List Third Party Advisory
Lists
http://lists.vmware.com/pipermail/security-announce/2010/000082.html

Third Party Advisory
Secunia
http://secunia.com/advisories/37086

Third Party Advisory
Secunia
http://secunia.com/advisories/37909

Third Party Advisory
Secunia
http://secunia.com/advisories/38794

Third Party Advisory
Secunia
http://secunia.com/advisories/38834

Third Party Advisory
Kernel.org
http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.32-rc5

Broken Link
Mandriva
http://www.mandriva.com/security/advisories?name=MDVSA-2009:329

Third Party Advisory
Openwall
http://www.openwall.com/lists/oss-security/2009/10/14/1

Mailing List Third Party Advisory
Openwall
http://www.openwall.com/lists/oss-security/2009/10/14/2

Mailing List Third Party Advisory
Openwall
http://www.openwall.com/lists/oss-security/2009/10/15/1

Mailing List Third Party Advisory
Openwall
http://www.openwall.com/lists/oss-security/2009/10/15/3

Mailing List Third Party Advisory
Red Hat
http://www.redhat.com/support/errata/RHSA-2009-1670.html

Third Party Advisory
Ubuntu Security
http://www.ubuntu.com/usn/usn-864-1

Third Party Advisory
Vupen
http://www.vupen.com/english/advisories/2010/0528

Third Party Advisory
Oval
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10395

Third Party Advisory
Oval
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7557

Third Party Advisory
Red Hat
https://rhn.redhat.com/errata/RHSA-2009-1540.html

Third Party Advisory
Red Hat
https://www.redhat.com/archives/fedora-package-announce/2009-November/msg00190.html

Third Party Advisory
Kernel patch commit
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=ad61df918c44316940404891d5082c63e79c256a
Patch
Kernel patch commit
http://patchwork.ozlabs.org/patch/35412/
Patch
Kernel patch commit
https://bugzilla.redhat.com/show_bug.cgi?id=528868
Patch

Details

CVE ID CVE-2009-3612

Severity Low

CVSS score 2.1 / 10

CVSS version 2.0

Published 2009-10-19

Modified 2026-04-23

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2009-3612?

CVE-2009-3612 is a Low severity Linux kernel vulnerability with a CVSS score of 2.1 out of 10 , classified as an Information Exposure flaw (CWE-200) . CVE-2009-3612 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2009-3612?

CVE-2009-3612 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-2009-3612?

No patch is currently available for CVE-2009-3612. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2009-3612 actively exploited?

No — CVE-2009-3612 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is Information Exposure (CWE-200)?

The product exposes sensitive information to an actor not authorised to see it. View CWE-200 on MITRE CWE →