CVE-2005-3809

Severity: high (CVSS 7.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2005-11-25 · updated 2026-06-16

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.

Affected products

Linux kernel: 2.6.14, 2.6.14-rc1, 2.6.14-rc2, 2.6.14-rc3, 2.6.14-rc4, 2.6.14.1 (+2)

References

http://marc.info/?l=linux-kernel&m=113269476105016&w=2
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.14.3
http://www.osvdb.org/24114
http://marc.info/?l=linux-kernel&m=113269476105016&w=2
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.14.3
http://www.osvdb.org/24114

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