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CVE-2005-3809

The nfattr_to_tcp function in ip_conntrack_proto_tcp.c in ctnetlink in Linux kernel 2.6.14 up to...

7.8 High

CVE-2005-3809 is a high vulnerability (CVSS 7.8) in Linux Kernel, published November 25, 2005. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.05%, the 81st percentile. No source names a fixed version.

What does this mean?
Severity
7.8 HighCVSS 2.0, NVD
Exploit chance
2.05%EPSS, 81st percentile
Exploitation
None knownNot on CISA’s or ENISA’s lists
Fixed in
No fix listedNo source names one

Description

The nfattr_to_tcp function in ip_conntrack_proto_tcp.c in ctnetlink in Linux kernel 2.6.14 up to 2.6.14.3 allows attackers to cause a denial of service (kernel oops) via an update message without private protocol information, which triggers a null dereference.

Exploit likelihood

2.05%Up 1.1 points since Feb 4, 2022
90%50%10%1%

Affected products

What each source reports

NVD Score used7.8

The nfattr_to_tcp function in ip_conntrack_proto_tcp.c in ctnetlink in Linux kernel 2.6.14 up to 2.6.14.3 allows attackers to cause a denial of service (kernel oops) via an update message without private protocol information, which triggers a null dereference.

Record
CVE-2005-3809
CVSS 2.0
7.8 HighAV:N/AC:L/Au:N/C:N/I:N/A:C
Updated
2026-11-02
CVE ListNo score

The nfattr_to_tcp function in ip_conntrack_proto_tcp.c in ctnetlink in Linux kernel 2.6.14 up to 2.6.14.3 allows attackers to cause a denial of service (kernel oops) via an update message without private protocol information, which triggers a null dereference.

Record
CVE-2005-3809
Updated
2026-11-02
EUVDEUVD-2005-3804No score

The nfattr_to_tcp function in ip_conntrack_proto_tcp.c in ctnetlink in Linux kernel 2.6.14 up to 2.6.14.3 allows attackers to cause a denial of service (kernel oops) via an update message without private protocol information, which triggers a null dereference.

Record
EUVD-2005-3804
Updated
2026-11-03
GitHub AdvisoriesGHSA-f47f-7prx-x9jvNo score

The nfattr_to_tcp function in ip_conntrack_proto_tcp.c in ctnetlink in Linux kernel 2.6.14 up to...

The nfattr_to_tcp function in ip_conntrack_proto_tcp.c in ctnetlink in Linux kernel 2.6.14 up to 2.6.14.3 allows attackers to cause a denial of service (kernel oops) via an update message without private protocol information, which triggers a null dereference.

Record
GHSA-f47f-7prx-x9jv
Updated
2026-11-02

History

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

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

References

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