Vulnerability CVE-2012-6638
Published: 2014-02-15

Description:
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.

See advisories in our WLB2 database:
Topic
Author
Date
Med.
Linux kernel 3.2.23 net/ipv4 kernel resource consumption
Eric Dumazet
16.02.2014

Type:

CWE-399

 (Resource Management Errors)

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.8/10
6.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Complete
Affected software
Linux -> Linux kernel 

 References:
https://github.com/torvalds/linux/commit/fdf5af0daf8019cec2396cdef8fb042d80fe71fa
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=fdf5af0daf8019cec2396cdef8fb042d80fe71fa
https://bugzilla.redhat.com/show_bug.cgi?id=826702
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.24
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