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Multiple computers getting netio.sys BSOD after 2022.2.1.9 update

BBallLAL

We're having an outbreak of DRIVER_IRQL_NOT_LESS_OR_EQUAL BSOD's in driver NETIO.SYS. Netio.sys caused BSOD's are usually tied to network drivers but that doesn't make sense because this started happening all of a sudden on multiple computers. These are fully patched/updated Windows 10 Pro computers. The common thing we're seeing is Sophos was updated to version 2022.2.1.9 around 7/20/22 on all of them. Any insight from Sophos on if the blue screen of death crashes are being caused by the latest version of Sophos? 



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    If you are experiencing this issue, please check the following:

    If your system is joined to the EAP, please turn off IPS in the Threat Protection policy and save, OR remove the system from the EAP and then test.

    We have seen some network drivers cause a conflict with IPS when running at a lower level (For modern standby support), which was part of the 2022.1 and higher releases. This can then cascade into a problem with core windows drivers. These appear to be heavily network adapter chipset and driver specific.

    James Magnan
    Technical Team Lead, Global Escalations

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  • 0

    If you are experiencing this issue, please check the following:

    If your system is joined to the EAP, please turn off IPS in the Threat Protection policy and save, OR remove the system from the EAP and then test.

    We have seen some network drivers cause a conflict with IPS when running at a lower level (For modern standby support), which was part of the 2022.1 and higher releases. This can then cascade into a problem with core windows drivers. These appear to be heavily network adapter chipset and driver specific.

    James Magnan
    Technical Team Lead, Global Escalations

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