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Linux kernel built with the Networking support(CONFIG_NET) is vulnerable to a crash, while resetting a socket timer. It could occur while doing a setsockopt(SO_KEEPALIVE) call. A privileged user/process able to create RAW socket could use this flaw to crash the system kernel resulting in DoS. Upstream fix: ------------- -> https://git.kernel.org/linus/3e10986d1d698140747fcfc2761ec9cb64c1d582
Statement: This issue does not affect the versions of Linux kernel as shipped with Red Hat Enterprise Linux 7 and Red Hat Enterprise MRG 2. This issue affects the version of the kernel package as shipped with Red Hat Enterprise Linux 5 and 6. Future kernel updates for Red Hat Enterprise Linux 5 and 6 may address this issue.
MITRE assigned CVE-2012-6657 to this issue: http://www.openwall.com/lists/oss-security/2014/09/15/8
This issue has been addressed in the following products: Red Hat Enterprise Linux 6 Via RHSA-2014:1997 https://rhn.redhat.com/errata/RHSA-2014-1997.html