Dell has released a major security update for hundreds of different computer models, the oldest of which were released in 2009.
Techspotin according to the update location of the vulnerability in the dbutil_2_3.sys driver. This driver can be found on many Dell Windows machines with user-installed firmware updates. Through the vulnerability, the malware could even gain access to the kernel of the operating system and thus gain control of the entire system.
The case concerns a total of 380 computer models listed here. If you identify your computer from the list, the vulnerable driver should be removed from the computer immediately.
The recommended way to get rid of a corrupted dbutil driver is to install and run the utility DSA-2021-088 from the link above.
The driver can also be removed manually. This is accomplished by first checking the paths C:Users\AppDataLocalTemp and C:WindowsTemp. If the driver mentioned at the beginning of the story is found in those folders, it can be deleted by selecting the driver file with the mouse and pressing on the keyboard shift+delete. The command deletes the file permanently.
The easiest way to remove a driver is to use Dell’s notification applications, which install the patch automatically. However, this fix will not be available until May 10th.
After removing the faulty driver, your computer’s firmware should be updated as soon as possible to get a properly functioning dbutil driver. Firmware can be updated through Dell Notification Applications.
Source: Tivi by www.tivi.fi.
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