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SinkClose CPU flaw requires new AGESA

mcury
Level 11

Hello, I would like to ask when the new BIOS is going to be released for the B550 series.

According to AMD, the new AGESA ComboAM4v2PI 1.2.0.cb will fix this vulnerability.

SinkClose tracked as CVE-2023-31315 and rated of high severity (CVSS score: 7.5)

 

More info at: https://www.amd.com/en/resources/product-security/bulletin/amd-sb-7014.html 

 

Thanks.

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56 REPLIES 56

schm0
Level 10

Some other b550 boards got a update too...
Labeled as beta though and only the agesa update is mentioned.
Nothing about the WDL Support/Aura firmware update, UEFI variable access and OpenSSL vulnerabilities.
Maybe in the final version...

SignetSphere
Level 7

Installed the latest beta bios on my TUF Gaming B550M-Plus. No problems so far. Seens stable enough for me.

mcury
Level 11

oh, nice..

Updated a B550-F gaming from 3607 to 3610 beta (AGESA 1.2.0.Cc) and everything is working.

Configured with all my settings again, undervolt -30 for all cores (curve optimizer), DOCP than tuned it with tighter custom RAM timings (4x8GB 3200MHz CL-14), enabled ASPM l0 and l1 entries, SVM enabled, Resizable bar (SAM), custom FAN curves, WOL, AMD PBS Data Link Feature Exchange.
I'm not using Secure Boot, so can't test that (I have two Linux and a Windows in this machine, can't enable Secure boot).

Shenny
Level 11

5020 beta is out for X570-E Gaming. I wonder whether to take the risk to flash to a beta version or wait for the official one.

Has anybody updated to this BIOS on X570-E to share impressions?

Works for me, installed the new BIOS, set everything back as it was. No overclock, no undervolt. Only set DOCP for my RAM. As usual.

And enabled resizable bar support.

I just installed in my x570-e and everything is working same as it was with bios 5013.
If you manually configured the previous bios settings, before you flash the version 5020, save the profile in an usb drive because this new version will not save the previous values. This probably won't work with any bios version 4xxx or before, but if you already have any bios verion 5xxx installed, I think you can load the bios profile without problem.
I have undervolt, memory, fan profiles and some other settings manually changed. Everything loaded from usb as it was in previous bios.
I did a quick test with cinebench r23 and got the same values that I had with the previous bios.
If I have any instability during the next days, I post again here.

kyton
Level 11

No issues so far with the Beta bios.  B550-A Gaming Board.

Shenny
Level 11

I saw that ASUS have released 5021 which is non-beta so I decided to flash as I had more free time today.

My first impressions are not very positive (read, "negative") - the scores in Cinebench R20 / R23 / R24 are down across the board between 5 and 10 percent! My 3D Mark score in Time Spy Extreme dropped by 3% (from 16K to 15,5K, I am running RTX 4090) although it is heavily GPU-dependent. I don't have any explanation for the lower scores besides the new BIOS as I keep one and the same BIOS settings all the time, and I haven't updated to Windows 11 24H2 yet (if it matters) so my results are comparable to the old ones I took 6 months ago, when I flashed to 5013. My only fault is that I didn't execute the benchmarks immediately before updating but it was hard to expect such a noticeable difference.

On top of that, when I started Windows for the first time after the update, several programs froze a few minutes after I logged in. I could not even restart Windows properly because the restart was hanging so I had to shut down forcefully from the Power button. It might be a one time thing but it doesn't contribute to "first good impressions".

I have flashed to almost every BIOS version since I have this system since March 2020 and this is the first time that I feel disappointed by the changes. Unfortunately, it is also very likely that this will be the last version released for this mobo. I start to seriously consider an upgrade to a X870 system in the coming months (especially after the announcement of 9800X3D).

I would be interested if somebody else shares his impressions as there were no complaints from the beta 5020, and 5021 should be virtually the same.

I'm using the BETA BIOS 3610 for motherboard B550-F gaming, no problems to report.

Same performance, nothing is not working smoothly..

Not sure what happened there.. But this is the first report I see complaining about these last BIOS releases.

I had the beta bios instaled and now it is the 5021.
Everything looks almost the same here after loading the bios preset I was using.
I tested in Cinebench R23. With beta bios 5020, the score was 12521, the bios 5021 with default parameters the score was 11915 and bios 5021 after loading my previos preset, the score was 12497, so not much difference here like you have experienced.
My motherboard is the same x570-e and my processor is the 3700x, memory is 3200 oc to 3600 and cpu is undervolted.
I hope it helps.