Bug 505684 (CVE-2012-6638)

Summary:	Kernel: iptables: --syn flag bypass (CVE-2012-6638)
Product:	Gentoo Security	Reporter:	Agostino Sarubbo <ago>
Component:	Kernel	Assignee:	Gentoo Kernel Security <security-kernel>
Status:	RESOLVED OBSOLETE
Severity:	normal	CC:	arthur, kernel
Priority:	Normal
Version:	unspecified
Hardware:	All
OS:	Linux
Whiteboard:
Package list:		Runtime testing required:	---

Description Agostino Sarubbo gentoo-dev

2014-03-25 12:08:12 UTC

CVE-2012-6638 (http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-6638):

he 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.

Comment 1 GLSAMaker/CVETool Bot gentoo-dev

2014-08-10 22:07:39 UTC

CVE-2012-6638 (http://nvd.nist.gov/nvd.cfm?cvename=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 cause a denial of service
  (kernel resource consumption) via a flood of SYN+FIN TCP packets, a
  different vulnerability than CVE-2012-2663.

Comment 2 zless 2018-02-23 09:13:52 UTC

This seems to affect "Linux kernel before 3.2.24". Is it still relevant for Gentoo?

Comment 3 Christopher Díaz Riveros (RETIRED) gentoo-dev

2018-04-04 19:35:44 UTC

There are no longer any 2.x or <3.2.24 kernels available in the repository with
the exception of sys-kernel/xbox-sources which is unsupported by security.