CVE-2005-0449

Severity: high (CVSS 7.1 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 4.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2005-05-02 · updated 2026-06-16
Weakness: CWE-20

Description

The netfilter/iptables module in Linux before 2.6.8.1 allows remote attackers to cause a denial of service (kernel crash) or bypass firewall rules via crafted packets, which are not properly handled by the skb_checksum_help function.

Affected products

Linux kernel: 2.6.0, 2.6.1, 2.6.2, 2.6.3, 2.6.4, 2.6.5 (+3)

References

http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000945
http://oss.sgi.com/archives/netdev/2005-01/msg01036.html
http://secunia.com/advisories/19369
http://secunia.com/advisories/19374
http://secunia.com/advisories/19607
http://www.debian.org/security/2006/dsa-1017
http://www.debian.org/security/2006/dsa-1018
http://www.mandriva.com/security/advisories?name=MDKSA-2005:218
http://www.novell.com/linux/security/advisories/2005_18_kernel.html
http://www.redhat.com/support/errata/RHSA-2005-283.html
http://www.redhat.com/support/errata/RHSA-2005-284.html

Get alerted when CVE-2005-0449 or the next vulnerability affects your stack