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Date: Fri, 31 Mar 2017 19:20:20 +0200
From: Andrey Konovalov <>
Subject: Re: CVE-2017-7308: Linux kernel: integer overflow in packet_set_ring

On Fri, Mar 31, 2017 at 2:03 PM, Andrey Konovalov <> wrote:
> Hi,
> CVE-2017-7308 [1] was assigned to the following issue:
> The packet_set_ring function in net/packet/af_packet.c in the Linux
> kernel through 4.10.6 does not properly validate certain block-size
> data, which allows local users to cause a denial of service (overflow)
> or possibly have unspecified other impact via crafted system calls.
> The fix is sent upstream [2].

Update: the fix actually consists of 3 patches:

> [1]
> [2]

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