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Date:   Tue, 23 Apr 2019 19:04:58 +0200
From:   Marcel Holtmann <>
To:     Young Xiao <>
Cc:     Johan Hedberg <>,
        "David S. Miller" <>,,,,, Young Xiao <>
Subject: Re: [PATCH] Bluetooth: hidp: fix buffer overflow

Hi Young,

> Struct ca is copied from userspace. It is not checked whether the "name"
> field is NULL terminated, which allows local users to obtain potentially
> sensitive information from kernel stack memory, via a HIDPCONNADD command.
> This vulnerability is similar to CVE-2011-1079.
> Signed-off-by: Young Xiao <>
> ---
> net/bluetooth/hidp/sock.c | 1 +
> 1 file changed, 1 insertion(+)

patch has been applied to bluetooth-next tree.



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