From: Simon Horman <horms@kernel•org>
To: Hangyu Hua <hbh25y@gmail•com>
Cc: justin.chen@broadcom•com, florian.fainelli@broadcom•com,
davem@davemloft•net, edumazet@google•com, kuba@kernel•org,
pabeni@redhat•com, mw@semihalf•com, linux@armlinux•org.uk,
nbd@nbd•name, john@phrozen•org, sean.wang@mediatek•com,
Mark-MC.Lee@mediatek•com, lorenzo@kernel•org,
matthias.bgg@gmail•com, angelogioacchino.delregno@collabora•com,
maxime.chevallier@bootlin•com, nelson.chang@mediatek•com,
bcm-kernel-feedback-list@broadcom•com, netdev@vger•kernel.org,
linux-kernel@vger•kernel.org,
linux-arm-kernel@lists•infradead.org,
linux-mediatek@lists•infradead.org
Subject: Re: [PATCH v2 1/3] net: ethernet: bcmasp: fix possible OOB write in bcmasp_netfilt_get_all_active()
Date: Sun, 10 Sep 2023 16:46:22 +0200 [thread overview]
Message-ID: <20230910144622.GE775887@kernel.org> (raw)
In-Reply-To: <20230908061950.20287-2-hbh25y@gmail.com>
On Fri, Sep 08, 2023 at 02:19:48PM +0800, Hangyu Hua wrote:
> rule_locs is allocated in ethtool_get_rxnfc and the size is determined by
> rule_cnt from user space. So rule_cnt needs to be check before using
> rule_locs to avoid OOB writing or NULL pointer dereference.
>
> Fixes: c5d511c49587 ("net: bcmasp: Add support for wake on net filters")
> Signed-off-by: Hangyu Hua <hbh25y@gmail•com>
Reviewed-by: Simon Horman <horms@kernel•org>
next prev parent reply other threads:[~2023-09-10 14:46 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-09-08 6:19 [PATCH v2 0/3] Fix possible OOB write when using rule_buf Hangyu Hua
2023-09-08 6:19 ` [PATCH v2 1/3] net: ethernet: bcmasp: fix possible OOB write in bcmasp_netfilt_get_all_active() Hangyu Hua
2023-09-10 14:46 ` Simon Horman [this message]
2023-09-08 6:19 ` [PATCH v2 2/3] net: ethernet: mvpp2_main: fix possible OOB write in mvpp2_ethtool_get_rxnfc() Hangyu Hua
2023-09-08 7:11 ` Marcin Wojtas
2023-09-08 8:39 ` Russell King (Oracle)
2023-09-08 6:19 ` [PATCH v2 3/3] net: ethernet: mtk_eth_soc: fix possible NULL pointer dereference in mtk_hwlro_get_fdir_all() Hangyu Hua
2023-09-10 14:47 ` Simon Horman
2023-09-11 7:30 ` [PATCH v2 0/3] Fix possible OOB write when using rule_buf patchwork-bot+netdevbpf
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