Date: Fri, 8 Mar 2013 04:23:49 +0100 From: Petr Matousek <pmatouse@...hat.com> To: oss-security@...ts.openwall.com Cc: spender@...ecurity.net, Kurt Seifried <kseifrie@...hat.com> Subject: CVE Request -- Linux kernel: sctp: SCTP_GET_ASSOC_STATS stack overflow A local user could use the missing size check in sctp_getsockopt_assoc_stats() function to escalate their privileges. On x86 this might be mitigated by destination object size check as the destination size is known at compile time. Upstream fix: http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=726bc6b0 Introduced by: http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=196d6759 Introduced in: v3.8-rc1 References: https://twitter.com/grsecurity/status/309805924749541376 http://grsecurity.net/~spender/sctp.c Thanks, -- Petr Matousek / Red Hat Security Response Team
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