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SubjectRe: Updating cypress/brcm firmware in linux-firmware for CVE-2019-15126
Date
Hi,

On 3/5/20 4:50 AM, Chi-Hsien Lin wrote:
> (+Chris)
>
> On 03/04/2020 7:45, Hans de Goede wrote:
>> Hi,
>>
>> On 2/26/20 11:16 PM, Hans de Goede wrote:
>>> Hello Cypress people,
>>>
>>> Can we please get updated firmware for
>>> brcm/brcmfmac4356-pcie.bin and brcm/brcmfmac4356-sdio.bin
>>> fixing CVE-2019-15126 as well as for any other affected
>>> models (the 4356 is explicitly named in the CVE description) ?
>>>
>>> The current Cypress firmware files in linux-firmware are
>>> quite old, e.g. for brcm/brcmfmac4356-pcie.bin linux-firmware has:
>>> version 7.35.180.176 dated 2017-10-23, way before the CVE
>>>
>>> Where as https://community.cypress.com/docs/DOC-19000 /
>>> cypress-fmac-v4.14.77-2020_0115.zip has:
>>> version 7.35.180.197 which presumably contains a fix (no changelog)
>>
>> Ping?
>>
>> The very old age of the firmware files in linux-firmware is really
>> UNACCEPTABLE and very irresponsible from a security POV. Please
>> fix this very soon.
>>
>> If you do not reply to this email I see no choice but to switch
>> the firmwares in linux-firmware over to the ones from the SDK which
>> you do regularly update, e.g. those from:
>> https://community.cypress.com/docs/DOC-19000
>>
>> Yes those are under an older, slightly different version of the Cypress
>> license, which is less then ideal, but that license is still acceptable
>> for linux-firmware (*) and since you are not providing any updates to
>> the special builds you have been doing for linux-firmware you are
>> really leaving us no option other then switching to the SDK version
>> of the firmwares.
>
> Hans,

<snip>

> Chris owns the Cypress firmware upstream strategy and will explain our going-forward strategy to you.

Ping? It has been a week and we have not heard anything from Chris about this yet?

Regards,

Hans

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