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CVE-2012-6638

HIGH · CVSS 7.8EPSS 3.3%EU EUVD

The tcp_rcv_state_process function in net/ipv4/tcp_input.c in the Linux kernel before 3.2.24 allows remote attackers to cause a denial of service (kernel resource consumption) via a flood of SYN+FIN TCP packets, a different vulnerability than CVE-2012-2663.

Key facts

CVSS score
7.8 (v2.0)
Severity
HIGH
CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:C
Weakness (CWE)
CWE-400
EPSS score
3.3% (89th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2012-6484)
Published
February 15, 2014
NVD last modified
June 16, 2026
Status
Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2012-6484 in the EU Vulnerability Database. Last updated in EUVD on September 16, 2024.

View on the EU Vulnerability Database

Affected products

  • linux / linux kernel

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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