linux-kernel - Re: [PATCH v2] net: ax25: fix information leak to userland

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 for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-Id: <20101110.101449.104041941.davem@davemloft.net>
Date:	Wed, 10 Nov 2010 10:14:49 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	segooon@...il.com
Cc:	kernel-janitors@...r.kernel.org, jreuter@...na.de,
	ralf@...ux-mips.org, linux-hams@...r.kernel.org,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] net: ax25: fix information leak to userland

From: Vasiliy Kulikov <segooon@...il.com>
Date: Wed, 10 Nov 2010 21:12:36 +0300

> Sometimes ax25_getname() doesn't initialize all members of fsa_digipeater
> field of fsa struct, also the struct has padding bytes between
> sax25_call and sax25_ndigis fields.  This structure is then copied to
> userland.  It leads to leaking of contents of kernel stack memory.
> 
> Signed-off-by: Vasiliy Kulikov <segooon@...il.com>

Looks good to me, applied.

Thanks!
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/