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Vulnerability record · CVE-2004-0816 · published 23 December 2004

CVE-2004-0816: Linux kernel vulnerability

Linux · Linux Kernel

Integer underflow in the firewall logging rules for iptables in Linux before 2.6.8 allows remote attackers to cause a denial of service (application crash) via a malformed IP packet.

7.5 CVSS 3.1 High EPSS 12% · top 4.1% CWE-191 · CWE-191
7.5CVSS 3.1 base score, v2 5.0
12%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
10References
16 Jun 2026Last modified by NVD

Description

Integer underflow in the firewall logging rules for iptables in Linux before 2.6.8 allows remote attackers to cause a denial of service (application crash) via a malformed IP packet.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://secunia.com/advisories/11202/ Broken Link
http://www.mandriva.com/security/advisories?name=MDKSA-2005:022 Broken Link
http://www.novell.com/linux/security/advisories/2004_37_kernel.html Broken Link
http://www.securityfocus.com/bid/11488 Broken LinkThird Party AdvisoryVDB Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/17800 Third Party AdvisoryVDB Entry
http://secunia.com/advisories/11202/ Broken Link
http://www.mandriva.com/security/advisories?name=MDKSA-2005:022 Broken Link
http://www.novell.com/linux/security/advisories/2004_37_kernel.html Broken Link
http://www.securityfocus.com/bid/11488 Broken LinkThird Party AdvisoryVDB Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/17800 Third Party AdvisoryVDB Entry

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Source: NIST National Vulnerability Database (record CVE-2004-0816), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.