From: patchwork-bot+netdevbpf@kernel.org
To: Pavitra Jha <jhapavitra98@gmail.com>
Cc: w@1wt.eu, pabeni@redhat.com, horms@kernel.org,
chandrashekar.devegowda@intel.com, linux-wwan@lists.linux.dev,
netdev@vger.kernel.org, stable@vger.kernel.org
Subject: Re: [PATCH v6] net: wwan: t7xx: validate port_count against message length in t7xx_port_enum_msg_handler
Date: Wed, 06 May 2026 02:20:14 +0000 [thread overview]
Message-ID: <177803401454.2352352.1722198141421516263.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20260501110713.145563-1-jhapavitra98@gmail.com>
Hello:
This patch was applied to netdev/net.git (main)
by Jakub Kicinski <kuba@kernel.org>:
On Fri, 1 May 2026 07:07:12 -0400 you wrote:
> t7xx_port_enum_msg_handler() uses the modem-supplied port_count field as
> a loop bound over port_msg->data[] without checking that the message buffer
> contains sufficient data. A modem sending port_count=65535 in a 12-byte
> buffer triggers a slab-out-of-bounds read of up to 262140 bytes.
>
> Add a sizeof(*port_msg) check before accessing the port message header
> fields to guard against undersized messages.
>
> [...]
Here is the summary with links:
- [v6] net: wwan: t7xx: validate port_count against message length in t7xx_port_enum_msg_handler
https://git.kernel.org/netdev/net/c/0e7c074cfcd9
You are awesome, thank you!
--
Deet-doot-dot, I am a bot.
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next prev parent reply other threads:[~2026-05-06 2:21 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-11 8:39 [PATCH] net: wwan: t7xx: validate port_count against message length in t7xx_port_enum_msg_handler Pavitra Jha
2026-04-14 9:41 ` Paolo Abeni
2026-04-14 13:17 ` Willy Tarreau
2026-04-14 15:31 ` [PATCH v2] " Pavitra Jha
2026-04-14 16:23 ` Willy Tarreau
2026-04-15 8:47 ` [PATCH v3] " Pavitra Jha
2026-04-16 11:32 ` [PATCH v4] " Pavitra Jha
2026-04-21 8:25 ` Paolo Abeni
2026-04-23 15:07 ` [PATCH v5] " Pavitra Jha
2026-04-27 19:03 ` Simon Horman
2026-04-27 19:04 ` Simon Horman
2026-05-01 11:07 ` [PATCH v6] " Pavitra Jha
2026-05-06 2:20 ` patchwork-bot+netdevbpf [this message]
2026-04-15 11:09 ` [PATCH v2] " kernel test robot
2026-04-15 13:37 ` kernel test robot
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