Lexmark Security Patch

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  • KenB
    Geek Extraordinaire

    2,500+ Posts
    • Dec 2007
    • 3944
    #1

    Lexmark Security Patch

    “I think you should treat good friends like a fine wine. That’s why I keep mine locked up in the basement.” - Tim Hawkins
    Tags: cover, cve-2021-44737, lexmark, patch, security
    • mloudy
      Senior Tech

      500+ Posts
      • Oct 2015
      • 775
      #2
      Re: Lexmark Security Patch

      New firmware released yesterday for newer models. Seems to be wi-fi related only. We try to avoid connecting devices via wi-fi whenever possible.


      Details
      A vulnerability was found in the Linux kernel's Marvell Wi-Fi chip driver. The vulnerability can be exploited by an attacker on the same Wi-Fi physical network segment to cause a system crash resulting in a denial of service or potentially execution of arbitrary code.


      CVSSv3 Base Score 7.8 (AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
      Impact Subscore: 5.9
      Exploitability Subscore: 1.8
      Impact

      This vulnerability impacts devices with the Wi-Fi feature installed and connected to a Wi-Fi network. Successful exploitation of this vulnerability can lead to a system crash causing a denial of service or execution of arbitrary code.

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