linux-kernel - Re: [PATCH] EDAC/ghes: Fix buffer overflow in ghes_edac

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]

Message-ID: <YtfsOcWbWREu1NnK@zn.tnic>
Date:   Wed, 20 Jul 2022 13:51:21 +0200
From:   Borislav Petkov <bp@...en8.de>
To:     Toshi Kani <toshi.kani@....com>
Cc:     rrichter@...vell.com, mchehab@...nel.org, elliott@....com,
        linux-edac@...r.kernel.org, linux-kernel@...r.kernel.org,
        Borislav Petkov <bp@...e.de>
Subject: Re: [PATCH] EDAC/ghes: Fix buffer overflow in ghes_edac_register()

On Tue, Jul 19, 2022 at 04:01:24PM -0600, Toshi Kani wrote:
> The following buffer overflow BUG was observed on an HPE system.
> ghes_edac_register() called strlen() on an uninitialized label,
> which had non-zero values from krealloc_array().
> Change dimm_setup_label() to always initialize the label.

Do we also know why dmi_memdev_name() doesn't give bank and/or device?

SMBIOS handle wrong?

Thx.

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette