Question to recent Qualcomm CVEs

[Christian Marangi (Ansuel)]

Il giorno mar 30 apr 2024 alle ore 15:04 Kalle Valo <kvalo at kernel.org>
ha scritto:
>
> Robert Marko <robimarko at gmail.com> writes:
>
> > On Tue, 30 Apr 2024 at 10:48, Kalle Valo <kvalo at kernel.org> wrote:
> >
> >>
> >> Robert Marko <robimarko at gmail.com> writes:
> >>
> >> > On Mon, 29 Apr 2024 at 15:37, Sven Eckelmann <sven at narfation.org> wrote:
> >> >>
> >> >> On Monday, 29 April 2024 15:14:18 CEST Kalle Valo wrote:
> >> >> > It's quite strange that they updated 2.5.0.1 branch first but my
> >> >> > understanding that there should be updates for the newer 2.7.0.1 branch
> >> >> > as well (2.7.0.1 branch is also in linux-firmware).
> >> >>
> >> >> Yes, I also told them in the support ticket that this is from an older branch
> >> >> than what is currently shipped in linux-firmware.git. But they told me
> >> >> that they are working on newer versions (whatever that means) - but they
> >> >> wanted to  handle first the update to ATH.11.4 (2.5.0.x) and then
> >> >> step-by-step release it for newer firmware branches. It seem like that would be
> >> >> up to 2.9.0.x - no idea why there is no (public) 2.10.x/2.11.x for the AP
> >> >> SoCs.
> >> >
> >> > I would like to point out that IPQ6018 doesn't even have anything
> >> > newer than 2.5.0.1 available publicly.
> >>
> >> But I do see WLAN.HK.2.7.0.1-01744-QCAHKSWPL_SILICONZ-1 for IPQ6018:
> >>
> >> https://git.codelinaro.org/clo/ath-firmware/ath11k-firmware/-/tree/main/IPQ6018/hw1.0/2.7.0.1/WLAN.HK.2.7.0.1-01744-QCAHKSWPL_SILICONZ-1?ref_type=heads
> >>
> >> And that release seems to be also in linux-firmware:
> >>
> >> File: ath11k/IPQ6018/hw1.0/q6_fw.mdt
> >> Version: WLAN.HK.2.7.0.1-01744-QCAHKSWPL_SILICONZ-1
> >>
> >> Am I missing something? Or did you mean IPQ5018 which only has a release
> >> from 2.6.0.1 branch?
> >>
> >> https://git.codelinaro.org/clo/ath-firmware/ath11k-firmware/-/tree/main/IPQ5018/hw1.0?ref_type=heads
> >
> > Ah yes, sorry for the confusion, I meant to say newer than 2.5.0.1
> > that actually works.
> > All of the newer public FW than 2.5.0.1 that we tried in OpenWrt will
> > just crash, we had the same issue with 2.6 and 2.7 FW on
> > IPQ8074 and it was fixed in 2.9.0.1 but there is no 2.9.0.1 public for IPQ6018.
>
> Ah, is the issue you are talking about this bug:
>
> https://bugzilla.kernel.org/show_bug.cgi?id=216515
>
> Or is this another issue?
>

Yes we wasted a good time on that and we concluded that
2.6.0 and 2.7.0 introduced breaking change in how the BDF was parsed
that were fixed in 2.9.0 restoring support for legacy BDF.

I think almost all ipq60xx suffer from this... Only a Qnap 301 worked with
2.6.0 - 2.7.0 (that was ipq807x)