Vulnerability Monitor

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CVE-2009-3612

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.

Security Impact Summary

CVE-2009-3612 is a security vulnerability that . Impacting 7 products from linux, from opensuse, from suse and 4 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Originally identified in 2009, this vulnerability predates many modern security frameworks and practices. The vulnerability landscape of that era was characterized by different threat models and less mature defense mechanisms compared to contemporary standards.

Published

2009-10-19T20:00:00.670

Last Modified

2025-04-09T00:30:58.490

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 2.1 (LOW)

CVSSv2 Vector

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

Access Vector: LOCAL
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: NONE
Availability Impact: NONE

Exploitability Score

3.9

Impact Score

2.9

Weaknesses

Type: Primary
CWE-200

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	linux	linux_kernel	≤ 2.4.37.6	Yes
Operating System	linux	linux_kernel	< 2.6.32	Yes
Operating System	linux	linux_kernel	2.6.32	Yes
Operating System	linux	linux_kernel	2.6.32	Yes
Operating System	linux	linux_kernel	2.6.32	Yes
Operating System	linux	linux_kernel	2.6.32	Yes
Operating System	linux	linux_kernel	2.6.32	Yes
Operating System	opensuse	opensuse	11.0	Yes
Operating System	suse	linux_enterprise_desktop	10	Yes
Operating System	suse	linux_enterprise_desktop	10	Yes
Operating System	suse	linux_enterprise_server	10	Yes
Operating System	suse	linux_enterprise_server	10	Yes
Operating System	suse	linux_enterprise_software_development_kit	10	Yes
Operating System	suse	linux_enterprise_software_development_kit	10	Yes
Operating System	canonical	ubuntu_linux	6.06	Yes
Operating System	canonical	ubuntu_linux	8.04	Yes
Operating System	canonical	ubuntu_linux	8.10	Yes
Operating System	canonical	ubuntu_linux	9.04	Yes
Operating System	canonical	ubuntu_linux	9.10	Yes
Operating System	fedoraproject	fedora	10	Yes

References

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=ad61df918c44316940404891d5082c63e79c256a ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2009-12/msg00002.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2009-12/msg00005.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00005.html Mailing List, Third Party Advisory ([email protected])
http://lists.vmware.com/pipermail/security-announce/2010/000082.html Third Party Advisory ([email protected])
http://patchwork.ozlabs.org/patch/35412/ Patch, Third Party Advisory ([email protected])
http://secunia.com/advisories/37086 Third Party Advisory ([email protected])
http://secunia.com/advisories/37909 Third Party Advisory ([email protected])
http://secunia.com/advisories/38794 Third Party Advisory ([email protected])
http://secunia.com/advisories/38834 Third Party Advisory ([email protected])
http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.32-rc5 Broken Link ([email protected])
http://www.mandriva.com/security/advisories?name=MDVSA-2009:329 Third Party Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2009/10/14/1 Mailing List, Third Party Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2009/10/14/2 Mailing List, Third Party Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2009/10/15/1 Mailing List, Third Party Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2009/10/15/3 Mailing List, Third Party Advisory ([email protected])
http://www.redhat.com/support/errata/RHSA-2009-1670.html Third Party Advisory ([email protected])
http://www.ubuntu.com/usn/usn-864-1 Third Party Advisory ([email protected])
http://www.vupen.com/english/advisories/2010/0528 Third Party Advisory ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=528868 Issue Tracking, Patch, Third Party Advisory ([email protected])
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10395 Third Party Advisory ([email protected])
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7557 Third Party Advisory ([email protected])
https://rhn.redhat.com/errata/RHSA-2009-1540.html Third Party Advisory ([email protected])
https://www.redhat.com/archives/fedora-package-announce/2009-November/msg00190.html Third Party Advisory ([email protected])
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=ad61df918c44316940404891d5082c63e79c256a (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2009-12/msg00002.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2009-12/msg00005.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00005.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.vmware.com/pipermail/security-announce/2010/000082.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://patchwork.ozlabs.org/patch/35412/ Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/37086 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/37909 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/38794 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/38834 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.32-rc5 Broken Link (af854a3a-2127-422b-91ae-364da2661108)
http://www.mandriva.com/security/advisories?name=MDVSA-2009:329 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2009/10/14/1 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2009/10/14/2 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2009/10/15/1 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2009/10/15/3 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.redhat.com/support/errata/RHSA-2009-1670.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.ubuntu.com/usn/usn-864-1 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.vupen.com/english/advisories/2010/0528 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.redhat.com/show_bug.cgi?id=528868 Issue Tracking, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10395 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7557 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://rhn.redhat.com/errata/RHSA-2009-1540.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.redhat.com/archives/fedora-package-announce/2009-November/msg00190.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For linux's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.