https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=214727
Bug ID: 214727
Summary: [patch][mfc]NULL dereference in
tcp_signature_do_compute
Product: Base System
Version: 11.0-RELEASE
Hardware: Any
OS: Any
Status: New
Keywords: patch
Severity: Affects Some People
Priority: ---
Component: kern
Assignee: freebsd-bugs@FreeBSD.org
Reporter: dgilb...@eicat.ca
Keywords: patch
anyone doing IPv6 BGP will likely run into this. An IPv6 MD5 packet causes a
panic because of a NULL dereference.
This is fixed in r307726 in HEAD, but the problem exists in at least 11.0p3 and
likely in 11-STABLE, too (although I didn't check). I think this is serious
enough to be considered ERRATA too ... or even a possible denial-of-service
(although I don't know if you can trigger this without md5 being configured)
anyways MFC 307726.
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