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CVE-2012-6638

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Date: February 15, 2014

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.

Language: C

Severity Score

Related Resources (8)

https://people.canonical.com/~ubuntu-security/cve/CVE-2012-6638
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.24
https://github.com/torvalds/linux/commit/fdf5af0daf8019cec2396cdef8fb042d80fe71fa
https://bugzilla.redhat.com/show_bug.cgi?id=826702
https://nvd.nist.gov/vuln/detail/CVE-2012-6638
https://access.redhat.com/security/cve/CVE-2012-6638
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=fdf5af0daf8019cec2396cdef8fb042d80fe71fa
https://www.mend.io/vulnerability-database/CVE-2012-6638

Severity Score

Weakness Type (CWE)

Resource Management Errors

CWE-399

Uncontrolled Resource Consumption ('Resource Exhaustion')

CWE-400

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): COMPLETE
Additional information:

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