netdev - Re: [PATCH net v3] net/sched: mqprio: fix stack out-of-bounds write in tc entry parsing

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: 
 <175435382475.1400451.11317649923147201674.git-patchwork-notify@kernel.org>
Date: Tue, 05 Aug 2025 00:30:24 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Jakub Kicinski <kuba@...nel.org>
Cc: davem@...emloft.net, netdev@...r.kernel.org, edumazet@...gle.com,
 pabeni@...hat.com, andrew+netdev@...n.ch, horms@...nel.org,
 maherazz04@...il.com, jhs@...atatu.com, xiyou.wangcong@...il.com,
 jiri@...nulli.us, vladimir.oltean@....com, fejes@....elte.hu
Subject: Re: [PATCH net v3] net/sched: mqprio: fix stack out-of-bounds write
 in tc
 entry parsing

Hello:

This patch was applied to netdev/net.git (main)
by Jakub Kicinski <kuba@...nel.org>:

On Fri,  1 Aug 2025 17:18:57 -0700 you wrote:
> From: Maher Azzouzi <maherazz04@...il.com>
> 
> TCA_MQPRIO_TC_ENTRY_INDEX is validated using
> NLA_POLICY_MAX(NLA_U32, TC_QOPT_MAX_QUEUE), which allows the value
> TC_QOPT_MAX_QUEUE (16). This leads to a 4-byte out-of-bounds stack
> write in the fp[] array, which only has room for 16 elements (0–15).
> 
> [...]

Here is the summary with links:
  - [net,v3] net/sched: mqprio: fix stack out-of-bounds write in tc entry parsing
    https://git.kernel.org/netdev/net/c/ffd2dc4c6c49

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