Date: Mon, 15 Dec 2025 02:58:34 +0000 From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [Bug 289017] [lagg] A time-of-check to time-of-use (TOCTOU) race exists in the Link Aggregation (LAGG) network subsystem Message-ID: <bug-289017-7501-iKF4PvSKZ2@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-289017-7501@https.bugs.freebsd.org/bugzilla/> References: <bug-289017-7501@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=289017 --- Comment #10 from Gui-Dong Han <hanguidong02@gmail.com> --- (In reply to Gui-Dong Han from comment #7) Given that the transmit path can continue into the protocol's start function after lagg_proto_detach has executed (as evidenced by the crash above), and considering that detach explicitly frees protocol resources, I believe triggering a Use-After-Free (UAF) scenario is also highly probable with the specific timing. -- You are receiving this mail because: You are the assignee for the bug.help
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