CVE-2002-2438

7.5 highEPSS 3.7%

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.

Severity

CVSS 3.1

7.5 high

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

EPSS: 3.7% chance of exploitation in the next 30 days; higher than 89% of CVEs (scores of 2026-10-31)
CWE: CWE-287
Published: 2021-05-18
Modified: 2026-06-16
Record from: the NVD, synced 2026-10-19

Affected

linux:linux_kernel

References

http://www.openwall.com/lists/oss-security/2012/02/03/7
http://www.openwall.com/lists/oss-security/2012/05/29/8
http://www.openwall.com/lists/oss-security/2012/05/30/11
http://www.openwall.com/lists/oss-security/2012/05/30/12
http://www.openwall.com/lists/oss-security/2012/05/30/13

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