netdev - Re: [PATCH net] ethtool: Avoid overflowing userspace buffer on stats query

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]

Message-Id: 
 <176605860680.2917136.4856127251413117124.git-patchwork-notify@kernel.org>
Date: Thu, 18 Dec 2025 11:50:06 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Gal Pressman <gal@...dia.com>
Cc: davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
 pabeni@...hat.com, andrew+netdev@...n.ch, netdev@...r.kernel.org,
 andrew@...n.ch, horms@...nel.org, dtatulea@...dia.com, tariqt@...dia.com
Subject: Re: [PATCH net] ethtool: Avoid overflowing userspace buffer on stats
 query

Hello:

This patch was applied to netdev/net.git (main)
by Paolo Abeni <pabeni@...hat.com>:

On Mon, 8 Dec 2025 14:19:01 +0200 you wrote:
> The ethtool -S command operates across three ioctl calls:
> ETHTOOL_GSSET_INFO for the size, ETHTOOL_GSTRINGS for the names, and
> ETHTOOL_GSTATS for the values.
> 
> If the number of stats changes between these calls (e.g., due to device
> reconfiguration), userspace's buffer allocation will be incorrect,
> potentially leading to buffer overflow.
> 
> [...]

Here is the summary with links:
  - [net] ethtool: Avoid overflowing userspace buffer on stats query
    https://git.kernel.org/netdev/net/c/7b07be1ff1cb

You are awesome, thank you!
-- 
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html