Date: Mon, 14 Feb 2005 05:42:06 +0000 (UTC) From: Xin LI <delphij@FreeBSD.org> To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org Subject: cvs commit: src/sys/net if.c Message-ID: <200502140542.j1E5g62l077236@repoman.freebsd.org>
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delphij 2005-02-14 05:42:06 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_5)
sys/net if.c
Log:
MFC 1.218+1.219:
Validate ifc->ifc_len before submitting its incarnation to sbuf_new,
which will finally lead to kernel panic.
Security: This prevents a local DoS that can be exploited by
Security: both privileged and unprivileged users.
Submitted by: Wojciech A. Koszek [dunstan at freebsd czest pl]
PR: 77421
Early MFC discussed with and reviewed by:
security (simon, trhodes)
Revision Changes Path
1.199.2.12 +4 -0 src/sys/net/if.c
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