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CVE-2002-2438
TCP firewalls could be circumvented by sending a SYN Packets with other flags (like e.g. RST flag) set, which was not correctly discarded…
High7.5EPSS 3.7%
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
TCP firewalls could be circumvented by sending a SYN Packets with other flags (like e.g. RST flag) set, which was not correctly discarded by the Linux TCP stack after firewalling.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 3.7% · top 10% of all CVEs (2 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Weakness
Affected products
kernel
- affected before Linux kernel 2.4.20
References (16)
- [oss-security] 20120530 Re: CVE Request -- kernel: tcp: drop SYN+FIN messages (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [oss-security] 20120530 Re: CVE Request -- kernel: tcp: drop SYN+FIN messages (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [oss-security] 20120530 Re: CVE Request -- kernel: tcp: drop SYN+FIN messages (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [oss-security] 20120530 Re: CVE Request -- kernel: tcp: drop SYN+FIN messages (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [oss-security] 20120530 Re: CVE Request -- kernel: tcp: drop SYN+FIN messages (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [oss-security] 20120203 Re: CVE Request (2002): Linux TCP stack could accept invalid TCP flag combinations (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [oss-security] 20120529 Re: CVE Request (2002): Linux TCP stack could accept invalid TCP flag combinations (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [oss-security] 20140212 Re: Old CVE ids, public, but still "RESERVED" (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [oss-security] 20120530 Re: CVE Request -- kernel: tcp: drop SYN+FIN messages (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [oss-security] 20120531 Re: CVE Request -- kernel: tcp: drop SYN+FIN messages (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [oss-security] 20120530 CVE Request -- kernel: tcp: drop SYN+FIN messages (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- VU#464113 (opens in a new tab)third-party-advisoryx_refsource_CERT-VNx_transferred
- https://www.kb.cert.org/vuls/id/464113%2C (opens in a new tab)x_refsource_MISCx_transferred
- https://bugzilla.suse.com/show_bug.cgi?id=744994%2C (opens in a new tab)x_refsource_MISCx_transferred
- https://www.openwall.com/lists/oss-security/2012/02/03/7 (opens in a new tab)x_refsource_MISCx_transferred
- https://security.netapp.com/advisory/ntap-20210727-0003/ (opens in a new tab)x_refsource_CONFIRMx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .