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PRIOn knowledge basePRION:CVE-2012-6704HistoryDec 28, 2016 - 7:59 a.m.
Memory corruption
2016-12-2807:59:00
PRIOn knowledge base
www.prio-n.com
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The sock_setsockopt function in net/core/sock.c in the Linux kernel before 3.5 mishandles negative values of sk_sndbuf and sk_rcvbuf, which allows local users to cause a denial of service (memory corruption and system crash) or possibly have unspecified other impact by leveraging the CAP_NET_ADMIN capability for a crafted setsockopt system call with the (1) SO_SNDBUF or (2) SO_RCVBUF option.
References
git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=82981930125abfd39d7c8378a9cfdf5e1be2002b
www.openwall.com/lists/oss-security/2016/12/03/1
www.securityfocus.com/bid/95135
bugzilla.redhat.com/show_bug.cgi?id=1402024
github.com/torvalds/linux/commit/82981930125abfd39d7c8378a9cfdf5e1be2002b
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