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  3. I'm not super familiar with Red Hat, but can someone do a sanity check for me?

I'm not super familiar with Red Hat, but can someone do a sanity check for me?

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  • mttaggart@infosec.exchangeM This user is from outside of this forum
    mttaggart@infosec.exchangeM This user is from outside of this forum
    mttaggart@infosec.exchange
    wrote last edited by
    #1

    I'm not super familiar with Red Hat, but can someone do a sanity check for me? The recommended mitigation for DirtyFrag is to add the relevant modules to a modprobe blocklist. But...I wasn't aware the modules were loaded dynamically? At least on Fedora, they were not.

    I very much want to be wrong about this. And expect I am, but want to be sure.

    https://access.redhat.com/security/vulnerabilities/RHSB-2026-003

    wdormann@infosec.exchangeW 1 Reply Last reply
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    • mttaggart@infosec.exchangeM mttaggart@infosec.exchange

      I'm not super familiar with Red Hat, but can someone do a sanity check for me? The recommended mitigation for DirtyFrag is to add the relevant modules to a modprobe blocklist. But...I wasn't aware the modules were loaded dynamically? At least on Fedora, they were not.

      I very much want to be wrong about this. And expect I am, but want to be sure.

      https://access.redhat.com/security/vulnerabilities/RHSB-2026-003

      wdormann@infosec.exchangeW This user is from outside of this forum
      wdormann@infosec.exchangeW This user is from outside of this forum
      wdormann@infosec.exchange
      wrote last edited by
      #2

      @mttaggart
      The Red Hat mitigation works fine for protecting both Red Hat and Fedora.

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