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Date: Tue, 11 Oct 2016 22:47:00 +0530 (IST)
From: P J P <>
To: oss security list <>
cc: Sabrina Dubroca <>
Subject: Re: CVE-2016-7039 Kernel: net: unbounded recursion
 in the vlan GRO processing

+-- On Mon, 10 Oct 2016, P J P wrote --+
| Linux kernel built with the 802.1Q/802.1ad VLAN(CONFIG_VLAN_8021Q) OR Virtual
| eXtensible Local Area Network(CONFIG_VXLAN) with Transparent Ethernet
| Bridging(TEB) GRO support, is vulnerable to a stack overflow issue. It could
| occur while receiving large packets via GRO path; As an unlimited recursion
| could unfold in both VLAN and TEB modules, leading to a stack corruption in
| the kernel.

Upstream patch: (under review)

Thank you.
Prasad J Pandit / Red Hat Product Security Team
47AF CE69 3A90 54AA 9045 1053 DD13 3D32 FE5B 041F

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