netdev - Re: [Patch net v2] team: use a larger struct for mac address

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date:   Sat, 29 Jul 2017 11:26:06 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     xiyou.wangcong@...il.com
Cc:     netdev@...r.kernel.org, andreyknvl@...gle.com, jiri@...nulli.us
Subject: Re: [Patch net v2] team: use a larger struct for mac address

From: Cong Wang <xiyou.wangcong@...il.com>
Date: Wed, 26 Jul 2017 15:22:07 -0700

> IPv6 tunnels use sizeof(struct in6_addr) as dev->addr_len,
> but in many places especially bonding, we use struct sockaddr
> to copy and set mac addr, this could lead to stack out-of-bounds
> access.
> 
> Fix it by using a larger address storage like bonding.
> 
> Reported-by: Andrey Konovalov <andreyknvl@...gle.com>
> Cc: Jiri Pirko <jiri@...nulli.us>
> Signed-off-by: Cong Wang <xiyou.wangcong@...il.com>

Applied.