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

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 dated 2017-10-23, way before the CVE
> Where as /
> has:
> version which presumably contains a fix (no changelog)


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:

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.



*) We have distributed files under the old version of the license before

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