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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...

2.1 LowFix available

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.

Exploit likelihood

0.40%Down 1.1 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 2.1

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.

Record
CVE-2009-3612
CVSS 2.0
2.1 LowAV:L/AC:L/Au:N/C:P/I:N/A:N
Weakness
CWE-200
Updated
2026-11-02
CVE List No score

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.

Record
CVE-2009-3612
Updated
2026-11-02
EUVDEUVD-2009-3593 No score

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.

Record
EUVD-2009-3593
Updated
2026-11-03
GitHub AdvisoriesGHSA-vr55-mp4p-wfh2 No score

The tcf_fill_node function in net/sched/cls_api.c in the netlink subsystem in the Linux kernel 2...

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.

Record
GHSA-vr55-mp4p-wfh2
Weakness
CWE-200
Updated
2026-11-02
OSVBELL-CVE-2009-3612 2.1

CVE-2009-3612 does not affect BellSoft software

Record
BELL-CVE-2009-3612
CVSS 2.0
2.1 LowAV:L/AC:L/Au:N/C:P/I:N/A:N
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
linux-2.6
Debian:5.0
before 2.6.26-19lenny2, plus listed versions
2.6.26-132.6.26-13lenny22.6.26-13lenny2~bpo40+12.6.26-142.6.26-15
Show 15 moreShow less
2.6.26-15lenny12.6.26-15lenny22.6.26-15lenny32.6.26-15~bpo40+12.6.26-15~bpo40+22.6.26-162.6.26-172.6.26-17lenny12.6.26-17lenny22.6.26-17lenny2~bpo40+12.6.26-17~bpo40+12.6.26-182.6.26-192.6.26-19lenny12.6.26-19~bpo40+1
2.6.26-19lenny2
linux-2.6.24
Debian:4.0
before 2.6.24-6~etchnhalf.9etch1, plus listed versions
2.6.24-5~etchnhalf.12.6.24-6~etchnhalf.12.6.24-6~etchnhalf.22.6.24-6~etchnhalf.32.6.24-6~etchnhalf.4
Show 8 moreShow less
2.6.24-6~etchnhalf.52.6.24-6~etchnhalf.62.6.24-6~etchnhalf.72.6.24-6~etchnhalf.82.6.24-6~etchnhalf.8etch12.6.24-6~etchnhalf.8etch22.6.24-6~etchnhalf.8etch32.6.24-6~etchnhalf.9
2.6.24-6~etchnhalf.9etch1
linux-2.6
Debian:4.0
before 2.6.18.dfsg.1-26etch1, plus listed versions
2.6.18.dfsg.1-122.6.18.dfsg.1-12etch12.6.18.dfsg.1-12etch22.6.18.dfsg.1-132.6.18.dfsg.1-13etch1
Show 32 moreShow less
2.6.18.dfsg.1-13etch22.6.18.dfsg.1-13etch32.6.18.dfsg.1-13etch42.6.18.dfsg.1-13etch52.6.18.dfsg.1-13etch62.6.18.dfsg.1-13lenny12.6.18.dfsg.1-142.6.18.dfsg.1-152.6.18.dfsg.1-162.6.18.dfsg.1-172.6.18.dfsg.1-17etch12.6.18.dfsg.1-182.6.18.dfsg.1-18etch12.6.18.dfsg.1-18etch32.6.18.dfsg.1-18etch42.6.18.dfsg.1-18etch52.6.18.dfsg.1-18etch62.6.18.dfsg.1-192.6.18.dfsg.1-202.6.18.dfsg.1-212.6.18.dfsg.1-222.6.18.dfsg.1-22etch12.6.18.dfsg.1-22etch22.6.18.dfsg.1-22etch32.6.18.dfsg.1-232.6.18.dfsg.1-23etch12.6.18.dfsg.1-242.6.18.dfsg.1-24etch12.6.18.dfsg.1-24etch22.6.18.dfsg.1-24etch32.6.18.dfsg.1-24etch42.6.18.dfsg.1-26
2.6.18.dfsg.1-26etch1
kernel
Red Hat:enterprise_linux:4::as
before 0:2.6.9-89.0.15.EL
0:2.6.9-89.0.15.EL
kernel-debuginfo
Red Hat:enterprise_linux:4::as
before 0:2.6.9-89.0.15.EL
0:2.6.9-89.0.15.EL
kernel-devel
Red Hat:enterprise_linux:4::as
before 0:2.6.9-89.0.15.EL
0:2.6.9-89.0.15.EL
kernel-doc
Red Hat:enterprise_linux:4::as
before 0:2.6.9-89.0.15.EL
0:2.6.9-89.0.15.EL
kernel-hugemem
Red Hat:enterprise_linux:4::as
before 0:2.6.9-89.0.15.EL
0:2.6.9-89.0.15.EL
kernel-hugemem-devel
Red Hat:enterprise_linux:4::as
before 0:2.6.9-89.0.15.EL
0:2.6.9-89.0.15.EL
kernel-largesmp
Red Hat:enterprise_linux:4::as
before 0:2.6.9-89.0.15.EL
0:2.6.9-89.0.15.EL
Show 88 moreShow less
Affected packages
PackageAffectedFixed
kernel-largesmp-devel
Red Hat:enterprise_linux:4::as
before 0:2.6.9-89.0.15.EL
0:2.6.9-89.0.15.EL
kernel-smp
Red Hat:enterprise_linux:4::as
before 0:2.6.9-89.0.15.EL
0:2.6.9-89.0.15.EL
kernel-smp-devel
Red Hat:enterprise_linux:4::as
before 0:2.6.9-89.0.15.EL
0:2.6.9-89.0.15.EL
kernel-xenU
Red Hat:enterprise_linux:4::as
before 0:2.6.9-89.0.15.EL
0:2.6.9-89.0.15.EL
kernel-xenU-devel
Red Hat:enterprise_linux:4::as
before 0:2.6.9-89.0.15.EL
0:2.6.9-89.0.15.EL
kernel
Red Hat:enterprise_linux:4::desktop
before 0:2.6.9-89.0.15.EL
0:2.6.9-89.0.15.EL
kernel-debuginfo
Red Hat:enterprise_linux:4::desktop
before 0:2.6.9-89.0.15.EL
0:2.6.9-89.0.15.EL
kernel-devel
Red Hat:enterprise_linux:4::desktop
before 0:2.6.9-89.0.15.EL
0:2.6.9-89.0.15.EL
kernel-doc
Red Hat:enterprise_linux:4::desktop
before 0:2.6.9-89.0.15.EL
0:2.6.9-89.0.15.EL
kernel-hugemem
Red Hat:enterprise_linux:4::desktop
before 0:2.6.9-89.0.15.EL
0:2.6.9-89.0.15.EL
kernel-hugemem-devel
Red Hat:enterprise_linux:4::desktop
before 0:2.6.9-89.0.15.EL
0:2.6.9-89.0.15.EL
kernel-largesmp
Red Hat:enterprise_linux:4::desktop
before 0:2.6.9-89.0.15.EL
0:2.6.9-89.0.15.EL
kernel-largesmp-devel
Red Hat:enterprise_linux:4::desktop
before 0:2.6.9-89.0.15.EL
0:2.6.9-89.0.15.EL
kernel-smp
Red Hat:enterprise_linux:4::desktop
before 0:2.6.9-89.0.15.EL
0:2.6.9-89.0.15.EL
kernel-smp-devel
Red Hat:enterprise_linux:4::desktop
before 0:2.6.9-89.0.15.EL
0:2.6.9-89.0.15.EL
kernel-xenU
Red Hat:enterprise_linux:4::desktop
before 0:2.6.9-89.0.15.EL
0:2.6.9-89.0.15.EL
kernel-xenU-devel
Red Hat:enterprise_linux:4::desktop
before 0:2.6.9-89.0.15.EL
0:2.6.9-89.0.15.EL
kernel
Red Hat:enterprise_linux:4::es
before 0:2.6.9-89.0.15.EL
0:2.6.9-89.0.15.EL
kernel-debuginfo
Red Hat:enterprise_linux:4::es
before 0:2.6.9-89.0.15.EL
0:2.6.9-89.0.15.EL
kernel-devel
Red Hat:enterprise_linux:4::es
before 0:2.6.9-89.0.15.EL
0:2.6.9-89.0.15.EL
kernel-doc
Red Hat:enterprise_linux:4::es
before 0:2.6.9-89.0.15.EL
0:2.6.9-89.0.15.EL
kernel-hugemem
Red Hat:enterprise_linux:4::es
before 0:2.6.9-89.0.15.EL
0:2.6.9-89.0.15.EL
kernel-hugemem-devel
Red Hat:enterprise_linux:4::es
before 0:2.6.9-89.0.15.EL
0:2.6.9-89.0.15.EL
kernel-largesmp
Red Hat:enterprise_linux:4::es
before 0:2.6.9-89.0.15.EL
0:2.6.9-89.0.15.EL
kernel-largesmp-devel
Red Hat:enterprise_linux:4::es
before 0:2.6.9-89.0.15.EL
0:2.6.9-89.0.15.EL
kernel-smp
Red Hat:enterprise_linux:4::es
before 0:2.6.9-89.0.15.EL
0:2.6.9-89.0.15.EL
kernel-smp-devel
Red Hat:enterprise_linux:4::es
before 0:2.6.9-89.0.15.EL
0:2.6.9-89.0.15.EL
kernel-xenU
Red Hat:enterprise_linux:4::es
before 0:2.6.9-89.0.15.EL
0:2.6.9-89.0.15.EL
kernel-xenU-devel
Red Hat:enterprise_linux:4::es
before 0:2.6.9-89.0.15.EL
0:2.6.9-89.0.15.EL
kernel
Red Hat:enterprise_linux:4::ws
before 0:2.6.9-89.0.15.EL
0:2.6.9-89.0.15.EL
kernel-debuginfo
Red Hat:enterprise_linux:4::ws
before 0:2.6.9-89.0.15.EL
0:2.6.9-89.0.15.EL
kernel-devel
Red Hat:enterprise_linux:4::ws
before 0:2.6.9-89.0.15.EL
0:2.6.9-89.0.15.EL
kernel-doc
Red Hat:enterprise_linux:4::ws
before 0:2.6.9-89.0.15.EL
0:2.6.9-89.0.15.EL
kernel-hugemem
Red Hat:enterprise_linux:4::ws
before 0:2.6.9-89.0.15.EL
0:2.6.9-89.0.15.EL
kernel-hugemem-devel
Red Hat:enterprise_linux:4::ws
before 0:2.6.9-89.0.15.EL
0:2.6.9-89.0.15.EL
kernel-largesmp
Red Hat:enterprise_linux:4::ws
before 0:2.6.9-89.0.15.EL
0:2.6.9-89.0.15.EL
kernel-largesmp-devel
Red Hat:enterprise_linux:4::ws
before 0:2.6.9-89.0.15.EL
0:2.6.9-89.0.15.EL
kernel-smp
Red Hat:enterprise_linux:4::ws
before 0:2.6.9-89.0.15.EL
0:2.6.9-89.0.15.EL
kernel-smp-devel
Red Hat:enterprise_linux:4::ws
before 0:2.6.9-89.0.15.EL
0:2.6.9-89.0.15.EL
kernel-xenU
Red Hat:enterprise_linux:4::ws
before 0:2.6.9-89.0.15.EL
0:2.6.9-89.0.15.EL
kernel-xenU-devel
Red Hat:enterprise_linux:4::ws
before 0:2.6.9-89.0.15.EL
0:2.6.9-89.0.15.EL
kernel-rt
Red Hat:enterprise_mrg:1::el5
before 0:2.6.24.7-137.el5rt
0:2.6.24.7-137.el5rt
kernel-rt-debug
Red Hat:enterprise_mrg:1::el5
before 0:2.6.24.7-137.el5rt
0:2.6.24.7-137.el5rt
kernel-rt-debug-debuginfo
Red Hat:enterprise_mrg:1::el5
before 0:2.6.24.7-137.el5rt
0:2.6.24.7-137.el5rt
kernel-rt-debug-devel
Red Hat:enterprise_mrg:1::el5
before 0:2.6.24.7-137.el5rt
0:2.6.24.7-137.el5rt
kernel-rt-debuginfo
Red Hat:enterprise_mrg:1::el5
before 0:2.6.24.7-137.el5rt
0:2.6.24.7-137.el5rt
kernel-rt-debuginfo-common
Red Hat:enterprise_mrg:1::el5
before 0:2.6.24.7-137.el5rt
0:2.6.24.7-137.el5rt
kernel-rt-devel
Red Hat:enterprise_mrg:1::el5
before 0:2.6.24.7-137.el5rt
0:2.6.24.7-137.el5rt
kernel-rt-doc
Red Hat:enterprise_mrg:1::el5
before 0:2.6.24.7-137.el5rt
0:2.6.24.7-137.el5rt
kernel-rt-trace
Red Hat:enterprise_mrg:1::el5
before 0:2.6.24.7-137.el5rt
0:2.6.24.7-137.el5rt
kernel-rt-trace-debuginfo
Red Hat:enterprise_mrg:1::el5
before 0:2.6.24.7-137.el5rt
0:2.6.24.7-137.el5rt
kernel-rt-trace-devel
Red Hat:enterprise_mrg:1::el5
before 0:2.6.24.7-137.el5rt
0:2.6.24.7-137.el5rt
kernel-rt-vanilla
Red Hat:enterprise_mrg:1::el5
before 0:2.6.24.7-137.el5rt
0:2.6.24.7-137.el5rt
kernel-rt-vanilla-debuginfo
Red Hat:enterprise_mrg:1::el5
before 0:2.6.24.7-137.el5rt
0:2.6.24.7-137.el5rt
kernel-rt-vanilla-devel
Red Hat:enterprise_mrg:1::el5
before 0:2.6.24.7-137.el5rt
0:2.6.24.7-137.el5rt
kernel
Red Hat:enterprise_linux:5::client
before 0:2.6.18-164.9.1.el5
0:2.6.18-164.9.1.el5
kernel-PAE
Red Hat:enterprise_linux:5::client
before 0:2.6.18-164.9.1.el5
0:2.6.18-164.9.1.el5
kernel-PAE-debuginfo
Red Hat:enterprise_linux:5::client
before 0:2.6.18-164.9.1.el5
0:2.6.18-164.9.1.el5
kernel-PAE-devel
Red Hat:enterprise_linux:5::client
before 0:2.6.18-164.9.1.el5
0:2.6.18-164.9.1.el5
kernel-debug
Red Hat:enterprise_linux:5::client
before 0:2.6.18-164.9.1.el5
0:2.6.18-164.9.1.el5
kernel-debug-debuginfo
Red Hat:enterprise_linux:5::client
before 0:2.6.18-164.9.1.el5
0:2.6.18-164.9.1.el5
kernel-debug-devel
Red Hat:enterprise_linux:5::client
before 0:2.6.18-164.9.1.el5
0:2.6.18-164.9.1.el5
kernel-debuginfo
Red Hat:enterprise_linux:5::client
before 0:2.6.18-164.9.1.el5
0:2.6.18-164.9.1.el5
kernel-debuginfo-common
Red Hat:enterprise_linux:5::client
before 0:2.6.18-164.9.1.el5
0:2.6.18-164.9.1.el5
kernel-devel
Red Hat:enterprise_linux:5::client
before 0:2.6.18-164.9.1.el5
0:2.6.18-164.9.1.el5
kernel-doc
Red Hat:enterprise_linux:5::client
before 0:2.6.18-164.9.1.el5
0:2.6.18-164.9.1.el5
kernel-headers
Red Hat:enterprise_linux:5::client
before 0:2.6.18-164.9.1.el5
0:2.6.18-164.9.1.el5
kernel-xen
Red Hat:enterprise_linux:5::client
before 0:2.6.18-164.9.1.el5
0:2.6.18-164.9.1.el5
kernel-xen-debuginfo
Red Hat:enterprise_linux:5::client
before 0:2.6.18-164.9.1.el5
0:2.6.18-164.9.1.el5
kernel-xen-devel
Red Hat:enterprise_linux:5::client
before 0:2.6.18-164.9.1.el5
0:2.6.18-164.9.1.el5
kernel
Red Hat:enterprise_linux:5::server
before 0:2.6.18-164.9.1.el5
0:2.6.18-164.9.1.el5
kernel-PAE
Red Hat:enterprise_linux:5::server
before 0:2.6.18-164.9.1.el5
0:2.6.18-164.9.1.el5
kernel-PAE-debuginfo
Red Hat:enterprise_linux:5::server
before 0:2.6.18-164.9.1.el5
0:2.6.18-164.9.1.el5
kernel-PAE-devel
Red Hat:enterprise_linux:5::server
before 0:2.6.18-164.9.1.el5
0:2.6.18-164.9.1.el5
kernel-debug
Red Hat:enterprise_linux:5::server
before 0:2.6.18-164.9.1.el5
0:2.6.18-164.9.1.el5
kernel-debug-debuginfo
Red Hat:enterprise_linux:5::server
before 0:2.6.18-164.9.1.el5
0:2.6.18-164.9.1.el5
kernel-debug-devel
Red Hat:enterprise_linux:5::server
before 0:2.6.18-164.9.1.el5
0:2.6.18-164.9.1.el5
kernel-debuginfo
Red Hat:enterprise_linux:5::server
before 0:2.6.18-164.9.1.el5
0:2.6.18-164.9.1.el5
kernel-debuginfo-common
Red Hat:enterprise_linux:5::server
before 0:2.6.18-164.9.1.el5
0:2.6.18-164.9.1.el5
kernel-devel
Red Hat:enterprise_linux:5::server
before 0:2.6.18-164.9.1.el5
0:2.6.18-164.9.1.el5
kernel-doc
Red Hat:enterprise_linux:5::server
before 0:2.6.18-164.9.1.el5
0:2.6.18-164.9.1.el5
kernel-headers
Red Hat:enterprise_linux:5::server
before 0:2.6.18-164.9.1.el5
0:2.6.18-164.9.1.el5
kernel-kdump
Red Hat:enterprise_linux:5::server
before 0:2.6.18-164.9.1.el5
0:2.6.18-164.9.1.el5
kernel-kdump-debuginfo
Red Hat:enterprise_linux:5::server
before 0:2.6.18-164.9.1.el5
0:2.6.18-164.9.1.el5
kernel-kdump-devel
Red Hat:enterprise_linux:5::server
before 0:2.6.18-164.9.1.el5
0:2.6.18-164.9.1.el5
kernel-xen
Red Hat:enterprise_linux:5::server
before 0:2.6.18-164.9.1.el5
0:2.6.18-164.9.1.el5
kernel-xen-debuginfo
Red Hat:enterprise_linux:5::server
before 0:2.6.18-164.9.1.el5
0:2.6.18-164.9.1.el5
kernel-xen-devel
Red Hat:enterprise_linux:5::server
before 0:2.6.18-164.9.1.el5
0:2.6.18-164.9.1.el5

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2009-3612 is a low vulnerability (CVSS 2.1) in Linux Kernel, published October 19, 2009. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.40%, the 34th percentile. Fixed in linux-2.6 2.6.26-19lenny2.

References

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