Unrated severityNVD Advisory· Published Dec 31, 2004· Updated Jun 16, 2026

CVE-2004-0592

Description

The tcp_find_option function of the netfilter subsystem for IPv6 in the SUSE Linux 2.6.5 kernel with USAGI patches, when using iptables and TCP options rules, allows remote attackers to cause a denial of service (CPU consumption by infinite loop) via a large option length that produces a negative integer after a casting operation to the char type, a similar flaw to CVE-2004-0626.

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Affected products

SUSE S.A./Linux
cpe:2.3:o:suse:suse_linux:2.6.5:*:*:*:*:*:*:*
Ubuntu/Linux Kernelllm-fuzzy
Range: = 2.6.5 with USAGI patches

Patches

Vulnerability mechanics

References

www.novell.com/linux/security/advisories/2004_20_kernel.htmlnvdPatchVendor Advisory
lists.grok.org.uk/pipermail/full-disclosure/2004-July/023408.htmlnvd
exchange.xforce.ibmcloud.com/vulnerabilities/43137nvd

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