linux-kernel - Re: [PATCH] dmi: sanity check BIOS tables

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

Date:	Sun, 07 Jun 2009 10:57:29 +0200
From:	Jiri Slaby <jirislaby@...il.com>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
CC:	linux-kernel@...r.kernel.org, jeffrey.mitchell@...il.com
Subject: Re: [PATCH] dmi: sanity check BIOS tables

On 06/07/2009 01:01 AM, Alan Cox wrote:
> @@ -260,6 +276,11 @@ static void __init dmi_save_ipmi_device(const struct dmi_header *dm)
>  	struct dmi_device *dev;
>  	void * data;
>  
> +	if (((u8 *)dm) + dm->length > dmi_end) {

I think this should be >= too.

> +		printk(KERN_ERR "dmi_save_ipmi_device: table overrun.\n");
> +		return;
> +	}
> +
--
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/