linux-kernel - Re: Missing qcom/mdt_loader.c fix for CVE-2022-40540?

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]

Date:   Tue, 18 Apr 2023 09:47:02 +0200
From:   Takashi Iwai <tiwai@...e.de>
To:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>
Cc:     linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: Missing qcom/mdt_loader.c fix for CVE-2022-40540?

On Fri, 24 Mar 2023 14:40:38 +0100,
Takashi Iwai wrote:
> 
> Hi,
> 
> I was asked about the handling for CVE-2022-40540 [*] on SUSE kernels,
> and through a quick glance, the upstream code still misses the fix.
> Namely, the downstream fix for the integer overflow check of the
> firmware size below:
>   https://git.codelinaro.org/clo/la/kernel/msm-5.10/-/commit/dae3214cd3495e5c4b37537cacf665d2cdeaea24
> ... can be applied to the current upstream code (as of 6.3-rc3) as far
> as I understand.
> 
> Could you guys check it and apply the fix if really needed?

Any news on this?  This security issue seems still present in the
latest upstream and linux-next.


thanks,

Takashi

> 
> 
> Thanks!
> 
> Takashi
> 
> [*]
>   http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2022-40540
>   https://bugzilla.redhat.com/show_bug.cgi?id=2180513
>   https://www.cve.org/CVERecord?id=CVE-2022-40540
>   https://www.qualcomm.com/company/product-security/bulletins/march-2023-bulletin