CVE-2004-0626
CVE-2004-0626 is a medium-severity vulnerability in Conectiva Linux with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: Medium (CVSS 2.0 base score 5.0)
- EPSS exploit prediction: 3% (85th percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Conectiva Linux
- Published:
- Last modified:
Description
The tcp_find_option function of the netfilter subsystem in Linux kernel 2.6, 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.
Frequently asked questions
- What is CVE-2004-0626?
- The tcp_find_option function of the netfilter subsystem in Linux kernel 2.6, 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.
- How severe is CVE-2004-0626?
- CVE-2004-0626 has a CVSS 2.0 base score of 5.0, rated medium severity.
- Is CVE-2004-0626 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2004-0626?
- CVE-2004-0626 primarily affects Conectiva Linux. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2004-0626?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2004-0626 published?
- CVE-2004-0626 was published on 2004-12-06 and last updated on 2026-06-16.
References
- http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000852
- http://lwn.net/Articles/91964/
- http://marc.info/?l=bugtraq&m=108861141304495&w=2
- http://www.gentoo.org/security/en/glsa/glsa-200407-12.xml
- http://www.novell.com/linux/security/advisories/2004_20_kernel.html
- https://exchange.xforce.ibmcloud.com/vulnerabilities/16554
Affected products (8)
- cpe:2.3:o:conectiva:linux:10:*:*:*:*:*:*:*
- cpe:2.3:o:gentoo:linux:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:2.6.0:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux:8.1:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux:8.2:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux:9.1:*:*:*:*:*:*:*
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