netdev - Re: [PATCH iproute2] nstat: NULL Dereference when no entries specified

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: 
 <174421743402.2899666.7680810154216692309.git-patchwork-notify@kernel.org>
Date: Wed, 09 Apr 2025 16:50:34 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: ZiAo Li <23110240084@...udan.edu.cn>
Cc: netdev@...r.kernel.org, stephen@...workplumber.org
Subject: Re: [PATCH iproute2] nstat: NULL Dereference when no entries specified

Hello:

This patch was applied to iproute2/iproute2.git (main)
by Stephen Hemminger <stephen@...workplumber.org>:

On Wed,  9 Apr 2025 23:03:30 +0800 you wrote:
> The NULL Pointer Dereference vulnerability happens in load_ugly_table(), misc/nstat.c, in the latest version of iproute2.
> The vulnerability can be triggered by:
> 1. db is set to NULL at struct nstat_ent *db = NULL;
> 2. n is set to NULL at n = db;
> 3. NULL dereference of variable n happens at sscanf(p+1, "%llu", &n->val) != 1
> 
> Signed-off-by: ZiAo Li <23110240084@...udan.edu.cn>
> 
> [...]

Here is the summary with links:
  - [iproute2] nstat: NULL Dereference when no entries specified
    https://git.kernel.org/pub/scm/network/iproute2/iproute2.git/commit/?id=866e1d107b7d

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