CVE-2012-6638 : The tcp_rcv_state_process function in net/ipv4/tcp_input.c in the Linux kernel before 3.2.24 allows remote attackers to

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.

Published 2014-02-15 14:57:08

Updated 2023-02-14 19:51:03

Source MITRE

View at NVD, CVE.org

Vulnerability category: Denial of service

Threat overview for CVE-2012-6638

Top countries where our scanners detected CVE-2012-6638

Top open port discovered on systems with this issue 49152

IPs affected by CVE-2012-6638 119,643

Threat actors abusing to this issue? Yes

Find out if you^* are affected by CVE-2012-6638!

^*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2012-6638

EPSS FAQ

0.54%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 77 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2012-6638

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source	First Seen
7.8	HIGH	AV:N/AC:L/Au:N/C:N/I:N/A:C	10.0	6.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Complete

CWE ids for CVE-2012-6638

CWE-400 Uncontrolled Resource Consumption

The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2012-6638

Products affected by CVE-2012-6638