Phoronix reports that a fresh new bug fix designed specifically for AMD Zen 4 central processing units (CPUs) has been recently included into version 6.6 of the Linux operating system
The problem was caused by the fact that the STIBP option was turned off In addition, the remedy for the vulnerability, which is referred to as Erratum #1485
Two protections have been improved with the addition of STIBP, which has been integrated into Zen 4’s default security mitigations
This is because it is crucial to the CPU’s security mechanisms Nevertheless, turning on STIBP might have a negative impact on performance
When there is less of a need for users to be concerned about their security, users have the option to recoup some of their lost speed by deactivating STIBP
When instructions are being processed by a central processing unit (CPU), there is always the chance of indirect instruction exception problems developing
This STIBP patch will also make its way to older stable kernel versions, according to Phononix; however, the publication did not explain when this will take place
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